
A Thunderbolt dock is now practically a must have accent, offering I/O entry for legacy mice, keyboards, exterior drives, and extra. It’s a key ingredient for a productive workplace, whether or not at work or residence.
Thunderbolt docks or docking stations assist fill the gaps as laptop computer makers slim down, lower prices, and remove a number of ports in favor of a do-it-all Thunderbolt port as an alternative. Which will look like they’re pushing these prices on to you (which they’re) but it surely additionally means you may choose and select a dock with precisely the ports you want.
Why purchase a Thunderbolt dock? Due to the bandwidth it offers: 40Gbps, versus the 10Gbps a primary USB-C port presents. (You’ll see a small lightning bolt printed in your laptop computer, the cable, and the dock to suggest that they’re Thunderbolt succesful.) This presents sufficient bandwidth to attach as much as two 4K shows at a cushty, commonplace 60Hz refresh charge, plus all of the peripherals you want like a printer, mouse, keyboard, and storage. Good Thunderbolt docks may also cost your smartphone.
This roundup begins with the easiest Thunderbolt docks, together with price range choices. We’ll shut by recommending our greatest DisplayLink USB-C docks—easier, cheaper options which have lately emerged. Our greatest USB-C hubs and dongles are coated in a separate story. Confused? Don’t be. We’ll clarify the variations within the FAQ that follows our suggestions, clarifying the terminology that will help you perceive what to purchase and the way to avoid wasting cash, too.
Notice that not each Thunderbolt dock we evaluate seems right here. Satechi’s Thunderbolt 4 Dock is our most up-to-date evaluate, but it surely didn’t make the lower.
Greatest Thunderbolt docks
Plugable TBT3-UDZ Thunderbolt 3 Docking Station – Greatest total Thunderbolt dock

Professionals
- Tons of ports
- Area-saving vertical stand
Plugable’s TBT3-UDZ is solely among the finest Thunderbolt 3 docks we’ve examined, with a boatload of ports. It’s costly, nonetheless.
On the entrance, the TBT3-UDZ features a 10Gbps USB-C and a 10Gbps USB-A (USB 3.1) port, microSD and SD card slots, plus a headphone jack. On the rear, 5 USB-A (USB 3.0 ports) and gigabit ethernet complement a pair of DisplayPort 1.4 ports and HDMI 2.0 ports. (It’s all primarily based on Intel’s Titan Ridge chipset.) A 29-inch 40Gbps Thunderbolt 3 cable connects the dock to your laptop computer, and is able to delivering 96W of energy. Naturally, it is a powered dock, with a hefty 170W (!) charger.
Learn our full
Plugable TBT3-UDZ evaluate
IOGear Quantum Twin Mode Thunderbolt 3 Dock Professional (GTD737) – Greatest price range Thunderbolt dock

Professionals
- Nice mixture of options
- Price range value
- 60W of passthrough charging energy
Cons
- Two DisplayPort ports restrict show I/O choices
- May be troublesome to seek out in shops
About the one knock in opposition to IOgear’s GTD737 is its use of two DisplayPort 1.2 ports on the rear of the dock, which function the one devoted show outputs. (We suspect HDMI is extra well-liked.)
In any other case, this dock is superb, offering virtually all of the options you’ll need at an reasonably priced value: a 10Gbps USB-A port on the entrance for 7.5W smartphone charging; on the rear, two 5Gbps USB-A ports for legacy mice and keyboards and two 10Gbps USB-C ports for additional growth. There’s additionally a gigabit ethernet port and a headphone jack. The two.3-foot Thunderbolt 3 cable provides 60W to your laptop computer by way of the related 135W energy brick. Efficiency particulars may be present in our evaluate.
Notice that this dock is actually similar to the Kensington SD5500T (evaluate), which at press time was priced barely increased. Double-check our evaluate to verify.
Learn our full
IOGear Quantum Twin Mode Thunderbolt 3 Dock Professional (GTD737) evaluate
Plugable TBT3-UDC3 Thunderbolt Dock – Greatest total Thunderbolt dock runner-up

Professionals
- A cheaper model of the Plugable TBT3-UDZ
- Provides 96W of energy
Cons
- Simply two show ports, however an adapter dongle is included
Plugable’s TBT3-UDC3 is a smaller, less-expensive model of the TBT3-UDZ, with much less I/O flexibility however extra focus. The dock features a pair of USB-A 5Gbps ports on the entrance for a mouse and keyboard, after which a second USB-A (10Gbps) port on the again. A pair of two 10Gbps USB-C ports sit alongside it for additional growth. There’s gigabit ethernet, too. Neatly, Plugable consists of one HDMI 2.0 port and a DisplayPort 1.4 port for show connections, plus an HDMI-to-DisplayPort dongle within the field in case you personal two HDMI shows.
Learn our full
Plugable TBT3-UDC3 Thunderbolt Dock evaluate
Belkin Thunderbolt 3 Dock Core – Greatest price range Thunderbolt dock runner-up

Professionals
- Compact
- HDMI 2.0 + DisplayPort 1.4 port covers two shows
Cons
- Unlabeled USB-A ports look similar
- Bus-powered
Belkin’s Thunderbolt 3 Dock Core is a neatly designed “powered” Thunderbolt 3 journey dock, and a cheap one as properly.
At an almost sq. 5.2 x 6.5 x 1.5 inches, the Thunderbolt Dock Core black doesn’t take up a lot room, and the included 8-inch Thunderbolt 3 twine offers ample size for flexibility. Ports are adequately spaced across the flat, black plastic dice, with HDMI 2.0 and DisplayPort 1.4 ports offering a secure 4K/60Hz expertise to each of my 4K shows. There’s gigabit ethernet and a 3.5mm audio jack, however good luck telling the USB 3.1 and USB 2.0 Sort A ports aside—they’re not labeled.
Learn our full
Belkin Join Thunderbolt 3 Dock Core evaluate
HP Thunderbolt Dock 120W G4 (4J0A2AA) – Greatest Thunderbolt dock for enterprise

Professionals
- Ports aplenty, plus charging
- Strong efficiency
- No thermal issues
This squat little Thunderbolt 4 dock feels much more strong than its rated 1.68 kilos would point out, and sprouts ports to all sides: a 10Gbps USB-C port able to 15W charging on the entrance, a 5Gbps USB-A port on both aspect, plus two extra on the again, all able to 7.5W out. The again additionally homes two DisplayPort 1.4 ports, an HDMI 2.0 port, ethernet, and a USB-C 3.2 Gen 1 port designed for video. We solely examined this dock with two 4K/60 exterior shows, but it surely’s able to driving three 4K/60 shows supplied you may have a DisplayPort 1.4-capable laptop computer with Show Stream Compression, or DSC.
The 4J0A2AA provides as much as 100W to the host laptop computer by way of the Thunderbolt cable—nonetheless among the many highest we’ve seen. Even then, there have been no thermal points in any respect.
Learn our full
HP Thunderbolt Dock 120W G4 (4J0A2AA) evaluate
Kensington SD5700T Thunderbolt 4 Docking Station – Greatest Thunderbolt 4 dock

Professionals
- Strong efficiency
- 96W (rated) of downstream laptop computer energy
- Fairly strong mixture of ports, together with downstream Thunderbolt 4
Cons
- One of the vital costly docks we have examined
- Rear USB-A ports ship much less energy than anticipated
- One show port, requiring a further dongle for 2 shows
The Kensington SD5780T replaces the Kensington SD5700T as our choose for one of the best premium Thunderbolt 4 docking station proper now, however the value can be extravagantly excessive. (Amazon knocked 15 % off the worth on the time of our most up-to-date revision, although, reducing the worth significantly.)
The SD5780T improves on its predecessor by including a devoted HDMI 2.1 port and extra laptop computer charging energy. The dock carried out excellently in our exams, although the exterior energy was a bit decrease in locations than we’d hoped. (It counts the place it issues, nonetheless, which incorporates charging a smartphone.)
Learn our full
Kensington Thunderbolt 4 Twin 4K Dock (SD5780T) evaluate
OWC Thunderbolt Dock Go – Greatest Thunderbolt 4 dock, runner-up

Professionals
- Energy brick is hidden inside, eradicating muddle
- 90W to cost your laptop computer
- Provides a terrific 9.5W for smartphone charging
- HDMI 2.1 assist
Cons
- Ethernet is glitchy, and requires a driver
- Cumbersome
- Costly
- Restricted built-in show choices
OWC’s Thunderbolt Dock Go has a right away promoting level: Its energy brick is built-in, like a desktop PC, saving house in your bag. It’s nonetheless a bit huge for a journey dock, although.
About the one issues we had with this dock have been the preliminary glitchiness with the ethernet (now, apparently, solved) and the excessive value, which can come down over time. That features the attainable want for a show dongle (offered individually), which you’ll want to attach a second show. In any other case, it’s a strong effort from OWC. You possibly can learn extra about it in Alokito Mymensingh 24’s personal evaluate of the OWC Thunderbolt Go in addition to on our sister web site, TechAdvisor, which agrees.
Plugable 5-in-1 Thunderbolt Hub (USB4-HUB3A) – Greatest Thunderbolt 4 hub

Professionals
- Extremely compact
- USB-C to HDMI adapter included
- 15W/60W of charging energy to telephones/PCs
Cons
- Restricted ports
- Greatest for Thunderbolt-attached shows
The Mac world tends to emphasise Thunderbolt-connected shows excess of the Home windows world does, so this could be a distinct segment product for many of you. However this factor is tiny (4.75 x 2.88 x 0.5 inches) even when, sadly, the related energy brick isn’t. It’s going to ship 15W of energy by way of the Thunderbolt/USB-C connections to cost smartphones, and 60W to the host PC.
We lacked a Thunderbolt-connected show on the time of testing. (We now have one now, and may affirm it really works.) However the field does embrace a USB-C to HDMI adapter, so you may definitely join one show natively out of the field, then connect a USB-C hub to attach one other.
Learn our full
Plugable 5-in-1 Thunderbolt Hub (USB4-HUB3A) evaluate
Anker Apex 12-in-1 Thunderbolt 4 Dock – Greatest Thunderbolt dock for HDMI shows

Professionals
- Two HDMI ports
- An additional 40Gbps downstream Thunderbolt 4 port
- Energy button
The Apex Thunderbolt 4 Dock options one 40Gbps upstream TB4 port (that connects to the pc with the included Thunderbolt 4 cable) and one 40Gbps downstream TB4 port for different gadgets, corresponding to a quick SSD storage drive. The upstream Thunderbolt port can provide as much as 90W of energy to your laptop computer, whereas the downstream port can cost different gadgets at 15W.
Anker’s inclusion of two HDMI ports means you don’t want any adapters to attach shows, supplied you personal two with HDMI connections. In whole, the dock helps the 2 Thunderbolt 4 ports, two USB-A ports (10Gbps, 4.5W of energy), one other two USB-A ports (480Mbps, 4.5W), and a USB-C port (10Gbps, 20W) alongside gigabit ethernet, a UHS-II SD card reader, and a 3.5mm headphone jack. The dock is powered, with a 120W energy provide.
Actually, it is a completely helpful Thunderbolt 4 docking station that challenges our top-ranked Thunderbolt docks. If the worth is true, think about it.
Learn our full
Anker Apex 12-in-1 Thunderbolt 4 Dock evaluate
CalDigit Thunderbolt Station 3 Plus (CalDigit TS3 Plus) – Most versatile Thunderbolt dock for I/O

Professionals
- Ports, ports, ports
- Vertical orientation, no stand needed
Cons
- Solely a single DisplayPort port
CalDigit’s Thunderbolt Station 3 Plus is likely one of the hottest Thunderbolt 3 docks out there, and it’s simple to see why: a space-saving vertical orientation, 87W charging, gobs of accessible ports, and even niceties like a S/PDIF optical connection and an exterior Thunderbolt jack for daisy-chaining gadgets.
Port choice consists of: two Thunderbolt 3 ports (one from the laptop computer, and one for an exterior connection), and a single DisplayPort 1.2 port. That’s perfect for a single 4K show, however awkward for 2. The TS3 Plus consists of one full-sized SD (SD 4.0 UHS-II) card reader, the S/PDIF port, gigabit ethernet, and two 3.5mm audio jacks—one in, one out. 5 USB Sort A ports are additionally included (all 5Gbps USB 3.1 Gen 1) and two USB-C ports (one 5Gbps port, and one 10Gbps port).
Learn our full
CalDigit Thunderbolt Station 3 Plus (CalDigit TS3 Plus) evaluate
CalDigit Thunderbolt Station 4 (TS4) – Greatest for Apple Mac customers

Professionals
- Thunderbolt 4
- A whopping 18 ports
- 98W energy supply to your Mac
- 2.5 gigabit ethernet
- 230W energy provide
Cons
- Solely two downstream TB4 ports
- Dear
Value When Reviewed:
€410
This suggestion comes courtesy of our colleagues at Alokito Mymensingh 24, who’ve compiled their very own record of finest Thunderbolt docking stations for the Apple Mac market. “All of the ports you can need coupled with high-wattage charging justify the worth of this full-featured dock,” and who’re we to argue? We will personally vouch for its progenitor, the TS3 Plus, which we ranked favorably amongst different Thunderbolt docks.
Whereas we’ve got but to evaluate the TS4 ourselves, a easy gander on the value re-affirms our certainty that it is a product for the Mac market.
Greatest DisplayLink USB-C dock
DisplayLink USB-C docks, which we focus on in additional element in our separate article, don’t supply sufficient bandwidth for high-refresh charge displays or gaming, however they work admirably properly for on a regular basis workplace work, together with watching motion pictures. Anecdotally, they’ve typically additionally been extra secure than a Thunderbolt dock on older {hardware}, as typically Thunderbolt docks have points “waking up” when the host laptop computer wakes up from standby.
What we’d wish to see in a DisplayLink USB-C docking station is a characteristic set that approaches a full-fledged Thunderbolt dock, however that’s priced under what you’d pay for Thunderbolt efficiency. Our present choose does simply that.
Plugable USB-C Twin 4K Show Horizontal Docking Station (UD-6950PDH)

Professionals
- Terrific worth for workplace staff
- Nice show flexibility
- Loads of USB-A ports
- SD/microSD card slots, too
- 100W of charging energy
Cons
- No USB-C ports
- No devoted charging ports
- DisplayLink doesn’t permit for full Thunderbolt bandwidth
Plugable’s UD-6950PDH doesn’t permit the bandwidth for the latest HDMI or DisplayPort interfaces. However the dock preserves what we like about Plugable’s docks: two pairs of optionally available DisplayPort and HDMI connections to select from, in addition to 100W of charging energy to your laptop computer. One omission, nonetheless, is a devoted charging port for powering a smartphone, or any USB-C port in any respect.
At about $199 MSRP, nonetheless, the worth is totally proper. Simply don’t neglect your smartphone charger.
Learn our full
Plugable USB-C Twin 4K Show Horizontal Docking Station (UD-6950PDH) evaluate
FAQ
How do I do know if my laptop computer has Thunderbolt?
The quick reply: Take a look at the laptop computer’s printed specs to make certain. A Thunderbolt port could look indistinguishable from a USB-C port, since they each use the identical bodily USB-C connection. Put one other approach, all Thunderbolt ports are USB-C, however not all USB-C ports are Thunderbolt-equipped.
Thunderbolt ports are supposed to have a small lightning-bolt icon to establish them. However some laptop computer makers use an analogous lightning-bolt icon to point {that a} USB-C port can be utilized for charging your telephone, and not for Thunderbolt. Laptop computer makers typically don’t wish to muddle the clear strains of their merchandise by including further logos, it appears.
Including to the confusion, you might also see USB-C hubs marketed as “Thunderbolt appropriate.” That’s true. You possibly can plug a Thunderbolt dock right into a non-Thunderbolt, generic USB-C port. However will probably be restricted by the out there bandwidth that the port offers, so it’s considerably misleading in that regard.

Two laptops, each with USB-C ports, and each with lightning-bolt symbols. Which laptop computer presents Thunderbolt? The highest one, although it may be troublesome to inform. Consulting the producer’s specs is your most secure guess.
IDG
I already personal a USB-C dongle. Can I take advantage of it with Thunderbolt?
A USB-C dongle gained’t substitute a Thunderbolt dock, as there’s circuitry inside the dock that enables it to work your laptop computer’s high-speed Thunderbolt port. Nevertheless, there’s nothing saying which you could’t join the dongle to an out there USB-C port on the Thunderbolt dock itself so as to add much more ports.
That answer will add extra muddle to your desk, but it surely may will let you purchase a less expensive, price range dock, too. It’s as much as you!
How briskly is Thunderbolt?
40Gbps, principally.
Most USB-C ports are constructed on the second-generation USB 3.1 data-transfer commonplace, which transfers information at 10Gbps. Thunderbolt 3 and 4 ports, the commonest commonplace, switch information at as much as 40Gbps. Thunderbolt 4 differs very barely in that it helps a theoretical most of 32Gbps for exterior storage gadgets, however you in all probability gained’t discover the distinction.
There are very uncommon exceptions: A brand new USB 3.2 Gen 2×2 spec can pair two 10Gbps channels collectively, creating an combination 20Gbps hub. And whereas the overwhelming majority of Thunderbolt 3-equipped laptops are designed with 4 PCIe lanes for a complete of 40Gbps, some laptops solely ship with two PCIe lanes for a complete of 20Gbps. (A Dell assist web page, for instance, particulars its four-lane and two-lane laptops.) Basically, a 20Gbps connection needs to be sufficient for a single 4K monitor operating at 60Hz, with a bit of additional bandwidth for different information transfers amongst related peripherals.
In the actual world, issues are barely extra difficult. Basically, Intel’s Tenth-gen and Eleventh-gen Core chips launched within the early days of Thunderbolt, and firm representatives say which you could depend upon them for 32Gbps of knowledge, not a full 40 Gbps. Intel’s Twelfth-gen and Thirteenth-gen Core chips supply probably the most constant Thunderbolt expertise, with 40Mbps Thunderbolt 4 speeds, together with 32Gbps for information transfers to and from storage gadgets.
Our subsequent query describes the distinction between Thunderbolt 3, 4, and USB4.
What’s the distinction between Thunderbolt 3, Thunderbolt 4, and USB4?
The quick reply: Not that a lot, and we think about Thunderbolt 3 docks and Thunderbolt 4 docks to be functionally equal for many customers. The longer reply, which we’ll describe under, is that there are variations, and parsing the nuances may be complicated. Consider Thunderbolt 4 because the extra restrictive model of Thunderbolt 3, with little room for any gotchas.
Basically, Thunderbolt 3 and Thunderbolt 4 permit as much as 40Gbps most bandwidth, sufficient for 2 4K/60 shows. “As much as” is the important thing phrase: Thunderbolt 3 is barely required to assist a 10Gbps connection, permitting for a single exterior 4K show (a 16Gbps PCIe connection, paired with USB 3.2). Most producers transcend this, nonetheless, and our really useful docks assist the total specification (and two 4K shows) except famous. Thunderbolt 3 additionally helps a slower (16Gbps) PCIe connection for connecting to exterior storage.
Thunderbolt 3 can be the one specification (not Thunderbolt 4) that we’ve seen connecting to exterior GPUs, in case you’d wish to attempt that method.
Thunderbolt 4 doesn’t permit for any leeway—you’re getting a full-fledged 40Gbps connection (32Gbps PCIe + USB 3.2), no questions requested. For exterior storage, Thunderbolt 4 helps 32Gbps of knowledge switch—this actually solely issues for video, exterior GPU connections, or probably video games. Thunderbolt 4 helps “wake on sleep” from an exterior keyboard or mouse, which lets you faucet your exterior keyboard or wiggle your mouse to get up your PC, which is helpful. Thunderbolt 4 permits for longer cables and extra Thunderbolt ports on laptops, too.
USB4 is actually a subset of Thunderbolt 4, primarily designed as an an I/O specification. You’ll most frequently see USB4 seem on AMD laptops, and Thunderbolt on Intel laptops.
USB4 can solely assist one show, and producers can select whether or not it helps a 20Gbps connection or a 40Gbps connection, in response to Thunderbolt dock designer Plugable. As a subset of Thunderbolt 4, a USB4 system will run simply nice plugged right into a Thunderbolt 4 port. However a Thunderbolt 4 system could not work as anticipated when plugged into what’s particularly a USB4 port. Don’t fear about this an excessive amount of, because it’s uncommon to see a USB4 hub. As a substitute, most hubs and docks are marketed as Thunderbolt 4, whereas most gadgets (like an exterior SSD) are designed round USB4.
USB4 Model 2 is an upcoming commonplace that can propel USB4 to 80Gbps, which is the one 80Gbps commonplace but introduced. The primary merchandise will debut (as a guess) in early 2023.
Notice that Thunderbolt 3 and 4 require a minimum of 15W to energy gadgets plugged into the Thunderbolt port, corresponding to a bus-powered onerous drive. USB4 requires simply half that.
Gadget maker Anker has a pleasant abstract of all the technical options related to Thunderbolt 3, Thunderbolt 4, and USB4, for those who actually wish to get into the nice distinctions (under).

Thunderbolt dock and I/O hub designer Anker supplied this abstract of the variations between Thunderbolt 3 and Thunderbolt 4.
Anker
What cable ought to I take advantage of with a Thunderbolt dock?
Nearly each Thunderbolt dock will ship with its personal cable. We’d advocate that you just use Thunderbolt 3 cables with Thunderbolt 3 merchandise, and Thunderbolt 4 cables with Thunderbolt 4 merchandise.
What differentiates a DisplayLink USB-C docking station from a Thunderbolt dock?
A DisplayLink USB-C docking station is a brand new class of docking station. They’re typically marketed simply as a USB-C docking station, sadly, although the DisplayLink brand options prominently on the field. The important thing right here is that the DisplayLink know-how (now owned by Synaptics) makes use of software program information compression between your PC and the dock to approximate a Thunderbolt expertise (a pair of 4K shows at 60Hz, plus further peripherals) throughout the narrower, slower USB-C bus. You’ll want to put in a software program driver to make it work.
The benefit right here is twofold. First, DisplayLink lets you “cheat” and get a Thunderbolt dock expertise on an older laptop computer. Alternatively, even for those who do personal a laptop computer with a Thunderbolt port, you could possibly discover a DisplayLink USB-C dock for a less expensive value than Thunderbolt. This can be a viable answer, particularly for those who don’t thoughts not enjoying PC video games.
Our separate story on DisplayLink docks has extra.
Are there another applied sciences that I have to find out about?
We’re beginning to see some USB-C docking stations benefit from one other know-how: HBR3 (Excessive Bit Price 3) with DSC (Show Stream Compression). Consider it because the industry-standard, manufacturer-agnostic model of DisplayLink. It really works over the USB-C port, and once more offers a twin 4K60 show expertise.
The issue? It’s wonky. We’ve discovered that assist for the know-how was very iffy in Eleventh-gen {hardware}, and actually appears to work constantly in Twelfth-gen or Thirteenth-gen Core laptops (and above, once they ship). Whereas we will’t actually advocate it proper now, we’re maintaining a tally of it.

The overwhelming majority of Thunderbolt docks ought to embrace a Thunderbolt cable like this one, which signifies that it’s specified for Thunderbolt 3.
IDG
Shopping for Information: what to search for in a Thunderbolt dock
Ports, cables, peripherals: These are the three main issues when shopping for a Thunderbolt dock.
We’re starting to see the Thunderbolt dock market break down in a number of alternative ways. First, there’s the price range versus full-featured docks we’ve highlighted above. However you additionally might even see one thing just like the USB hubs of previous: Units that take Thunderbolt in after which present a number of USB-C (together with Thunderbolt) ports out. There are a small variety of shows with Thunderbolt inputs, which may be plugged instantly into these hubs. Do you may have an present low-cost USB-C dongle? You possibly can definitely plug that in right into a Thunderbolt dock and add much more I/O performance.
Mainly, think about what you’ll wish to plug into the dock as a information for purchasing one. We desire gadgets with ports inbuilt (corresponding to HDMI, USB-A, and so forth) because the USB-C system ecosystem remains to be in its infancy. However ask your self some questions. Would you like a primary Thunderbolt dock, with only a pair of HDMI ports for connecting two shows? Does an SD card slot matter? What number of USB Sort A peripherals do you propose to connect? Do you wish to use the Thunderbolt cable to cost your laptop computer, too?
Cables may be an unexpectedly essential consideration, too. Nearly each dock ships with a Thunderbolt cable. However think about the shows you personal (sometimes HDMI or DisplayPort) and think about whether or not the dock will accommodate them.
Verify your laptop computer’s energy provide. Does it plug into your laptop computer by way of USB-C? If that’s the case, a Thunderbolt dock will seemingly energy it. You’ll want to grasp how the dock provides energy, although. Verify your laptop computer’s charger to learn the way a lot energy it provides, and the way a lot the dock might want to provide to switch it. In case your laptop computer or gadgets aren’t receiving sufficient energy, you may even see a warning pop up.
A “bus-powered” dock gained’t include an exterior charger within the package deal, saving some value, house, and energy issues. A dock with “energy supply” will provide its personal energy and cost your laptop computer and/or a telephone by way of your laptop computer’s present USB-C charger. (Likelihood is that it gained’t supply the quick-charging capabilities premium smartphones supply, although.) The extra energy your dock provides, the better the flexibility to cost your laptop computer and any bus-powered gadgets. This can be a gotcha most individuals don’t take into consideration, so for those who plan to attach a number of bus-powered onerous drives or SSDs, purchase a dock with a hefty energy provide. (USB keys, alternatively, require tiny quantities of energy. Don’t fear about these.)

Powered Thunderbolt docks, particularly those who energy your laptop computer, can ship with some fairly sizeable energy bricks.
Mark Hachman / IDG
There’s another consideration: the size of the Thunderbolt cable between your laptop computer and the dock itself. You might have observed or heard about USB-C ports sporting out on smartphones; a unfastened or wobbly connector on a Thunderbolt dock may cause a monitor to unexpectedly flicker or lose connection. Take into account how a lot stress can be placed on a cable. A Thunderbolt dock that’s dangling from a Thunderbolt port will stress the bodily connector. You don’t need that!
For those who’re a Mac person who has stumbled throughout this text, welcome. However please remember that early Apple MacBook Professionals powered by Intel silicon supported as much as two 4K shows. The primary MacBook Professionals powered by the Apple M1 chip solely assist a single 4K show. Many Mac customers have lately left detrimental critiques on Thunderbolt docks on buying websites due to this. Purchase a PC!
How we check Thunderbolt docks
We’re working from the premise that you just’re shopping for a Thunderbolt dock for its distinctive potential to connect with two 4K displays at 60Hz. Decrease resolutions needs to be a lot simpler to run efficiently. Our first check merely related every dock to a pair of 4K/60Hz shows, every of which might settle for DisplayPort and HDMI cabling, and made positive there have been no visible artifacts at 60Hz decision.
Second, we checked to see whether or not the out there ports delivered the bandwidth we’d anticipate, connecting them to an exterior SSD and transferring a set of check information over the Thunderbolt cable and port. We additionally used AJA’s System Take a look at software to double-check our numbers and check whether or not learn and write speeds have been constant.
Lastly, we spot-checked the out there energy draw of the hubs and ports with a USB energy meter, in addition to merely connecting them to bus-powered gadgets to see if they may ship sufficient energy to permit them to function.
This story was up to date on Might 6, 2023 with further data and suggestions.