CalDigit TS4 vs Microsoft Surface Thunderbolt 4 Dock Comparison 2026

CalDigit TS4 vs Microsoft Surface Thunderbolt 4 Dock: the short answer

The CalDigit TS4 and Microsoft Surface Thunderbolt 4 Dock both use Thunderbolt 4, both run at 40 Gbps, both can drive dual 4K displays at 60Hz on compatible laptops, and both avoid DisplayLink drivers. That makes this a fair matchup. You are not comparing a native Thunderbolt dock with a USB-C workaround.

The difference is the target buyer. The CalDigit TS4 is a full desktop hub for people who want one cable, a lot of physical ports, and strong support across Mac and Windows. It has 18 ports, 98W host charging, 2.5GbE, SD and microSD readers, multiple audio jacks, and a 9.2 score in our product data.

The Microsoft dock is narrower. It is built for Surface and Windows desks that care about official Microsoft support, firmware updates through Windows Update, WMI support, MAC address passthrough, Wake-on-LAN from Modern Standby, and Surface Enterprise Management Mode on supported hardware. Its score is 7.7. It costs less at MSRP, but it also leaves out HDMI, DisplayPort, card readers, and higher than 100W charging.

Winner: CalDigit TS4. It wins on score, port depth, card readers, audio, Mac support, and general flexibility. The Surface Thunderbolt 4 Dock still makes sense for managed Surface deployments, but that is a specific use case rather than the better all-around dock.

If you are still deciding whether Thunderbolt is the right class of dock, start with our USB-C vs Thunderbolt docking stations guide. If you already know you want Thunderbolt 4, this comparison is about whether you want maximum connectivity or Microsoft fleet features.

Quick specs comparison

Ports: the TS4 is in a different class

Port count is the easiest place to separate these docks. The CalDigit TS4 is built around abundance. Its YAML lists three Thunderbolt 4 downstream ports, three USB-C 3.2 ports, five USB-A 3.2 ports, one DisplayPort 1.4 output, 2.5GbE, three audio connections, and both SD and microSD card readers. The product introduction calls it an 18-port dock, and that number matches how CalDigit positions the TS4: one box for a busy desk.

That matters in normal use. A monitor, keyboard, mouse, webcam, audio interface, external SSD, phone cable, Ethernet cable, and SD card reader can fill a modest dock quickly. The TS4 has enough room for that kind of setup without forcing you to stack smaller hubs behind the dock.

The Surface Thunderbolt 4 Dock is cleaner but much leaner. Its YAML lists three USB-C Thunderbolt 4 downstream ports, three USB-A 3.2 ports, 2.5GbE, and a 3.5mm combo audio jack. Those USB-C ports are flexible, especially if your displays and storage already use USB-C. But Microsoft does not include HDMI, DisplayPort, SD, or microSD. The product data calls out those omissions as cons, not footnotes.

This is where the Surface dock starts to feel more like an official workstation accessory than a universal desktop dock. It can absolutely run a simple Surface desk with two USB-C displays, Ethernet, keyboard, mouse, and a headset. It is less comfortable for a creator desk with camera cards, multiple USB devices, older monitors, and separate audio needs.

Port winner: CalDigit TS4. The Surface dock has the necessary basics. The TS4 has the basics plus the extras that prevent adapter creep.

Display support: both do dual 4K, but the cabling is different

Both docks support two external displays at 4K and 60Hz when connected to a host laptop that supports that mode. Both use native Thunderbolt 4 rather than DisplayLink, so neither one is a workaround for laptops that cannot natively drive the number of displays you want.

The CalDigit TS4 has one DisplayPort 1.4 output and can send video through Thunderbolt 4 downstream ports. Its YAML also lists single 8K at 30Hz on Windows. For common dual-monitor setups, the practical path is usually DisplayPort for one screen and USB-C, Thunderbolt, or an adapter for the other.

The Surface Thunderbolt 4 Dock does not include HDMI or DisplayPort at all. Its display outputs are the downstream USB-C / Thunderbolt 4 ports. That is fine if you own USB-C monitors or already use USB-C to DisplayPort adapters. It is annoying if your monitors are HDMI-only or DisplayPort-only and you expected direct ports on the dock.

Base Apple Silicon MacBooks are a separate issue. The TS4 YAML notes that base M1, M2, and M3 MacBook Air and Pro models are limited to one external display. The Surface dock YAML says the same native Apple Silicon external display limits still apply. A Thunderbolt dock does not turn a base M1 MacBook Air into a dual-display machine. For that, you would need a DisplayLink dock and the DisplayLink driver, with the trade-offs that come with it.

For most Thunderbolt 4 Windows laptops, Surface laptops with USB4 or Thunderbolt 4, and MacBook Pro models with chips that support multiple external displays, either dock can handle the standard dual 4K office setup. The TS4 is just easier if you want at least one direct DisplayPort connection.

Display winner: CalDigit TS4 by convenience. The core display ceiling is similar, but the TS4 gives you a built-in DisplayPort while the Surface dock makes every monitor connection run through USB-C or an adapter.

Charging: 98W versus 96W is close, but the Surface has a Surface-specific caveat

The CalDigit TS4 provides up to 98W of USB-C Power Delivery to the host laptop. The Surface Thunderbolt 4 Dock provides up to 96W. On paper, that is almost a tie. For most ultrabooks, Surface Pro models, Surface Laptop models, and MacBook Air class machines, either wattage is enough.

The difference appears with higher power laptops. The Surface dock YAML lists a known incompatibility for Surface Laptop Studio, Surface Book 3, and other high-power laptops under heavy load: 96W host charging may be lower than the original power adapter or Surface Dock 2. It also notes that the older Surface Dock 2 can provide up to 120W on select Surface models. So the newer Thunderbolt dock is more universal, but it is not automatically the strongest charger for every Surface machine.

The TS4 has its own limit. Its 98W charging is enough for normal 16-inch MacBook Pro use according to the product FAQ, but it is not the fastest charging path for every large workstation laptop. Still, CalDigit’s advantage is simplicity: a standard 98W USB-C PD ceiling that applies broadly, without Surface Connect history or model-specific expectations.

Neither dock is the right answer if your main requirement is 140W or higher USB-C EPR charging. Within the facts in these two YAML files, though, the CalDigit has the slightly higher host wattage and fewer caveats around the charging story.

Charging winner: CalDigit TS4, narrowly. The 2W difference is tiny. The Surface-specific 96W caveat matters more.

Mac, Windows, Surface, and Linux support

This section is where the Surface dock gets its best argument.

The CalDigit TS4 is positioned as a cross-platform Thunderbolt 4 dock. Its YAML lists macOS 11.0 Big Sur or later with full native support, Windows 10 with full support, ChromeOS support on Thunderbolt-equipped Chromebooks, and Linux support on most distributions with Thunderbolt 4. It also lists no driver requirement and calls out consistent firmware updates for new hardware support as a pro.

That is exactly why the TS4 is such a safe recommendation for mixed desks. If one laptop is a MacBook Pro and the other is a Windows ultrabook, the TS4 does not force you into a vendor ecosystem.

The Surface Thunderbolt 4 Dock is also a standard Thunderbolt 4 dock, so it can work with more than Surface devices. The YAML says it can operate with Apple Macs as a standard Thunderbolt dock and can work with USB4 or Thunderbolt 4-compatible PCs. But Microsoft clearly points its best features at Surface and Windows: firmware and manageability through Windows Update, Surface app, WMI, Microsoft management tools, MAC address passthrough, Wake-on-LAN from Modern Standby, and Surface Enterprise Management Mode on supported devices.

That makes the Surface dock a better fit for IT teams that deploy supported Surface hardware. It gives them a vendor-supported path for firmware and management that a third-party dock may not match. For an individual Mac user or a home office with mixed devices, those features are less useful. On macOS and Linux, the Surface dock should be treated as a generic Thunderbolt dock, and the YAML explicitly warns that the best firmware and enterprise management features are Windows and Surface focused.

Compatibility winner: depends on the buyer. CalDigit wins for Mac users and mixed setups. Microsoft wins for supported Surface fleets where management features matter more than port count.

Value: cheaper is not the same as better value

The Surface Thunderbolt 4 Dock has the lower MSRP: $299.99 versus $379.99 for the CalDigit TS4. If you only look at sticker price, Microsoft is cheaper by $80.

But the TS4 gives you far more hardware. It has SD and microSD readers, a DisplayPort output, extra USB-C ports, more USB-A, more audio connections, and a longer 24-month limited warranty. The Surface dock’s warranty is 12 months limited in the YAML. If you need a card reader, display adapters, or extra USB expansion with the Surface dock, some of that $80 gap disappears quickly.

The Surface dock is still a rational purchase when its Microsoft features are the reason you are buying it. WMI support, Wake-on-LAN from Modern Standby, MAC address passthrough, Windows Update firmware handling, and Surface Enterprise Management Mode can be worth more than an SD card slot to an IT department. That is a real value case, just not a general consumer value case.

For an individual buyer choosing a dock for a MacBook, Surface Laptop, or Windows ultrabook at home, the CalDigit is the better value despite the higher price. You pay more once and avoid a desk full of add-ons.

Value winner: CalDigit TS4 for most buyers. The Surface dock wins on price, but the TS4 wins on useful hardware per dollar unless you specifically need Microsoft’s management stack.

Who should buy the CalDigit TS4?

Choose the CalDigit TS4 if you want the safer all-around Thunderbolt 4 dock. It is the better pick if your desk has more than a few peripherals, if you use SD or microSD cards, if you want a built-in DisplayPort connection, or if you move between Mac and Windows machines.

It is especially strong for MacBook Pro owners. The YAML lists full native macOS support and calls out CalDigit’s firmware updates as a differentiator. You still need a Mac that supports multiple external displays if you want dual monitors, but that limitation applies to both docks.

The TS4 also makes sense for creators, developers, and home office users who do not want to think about the dock every day. It gives you more places to plug things in, enough host charging for most premium laptops, and 2.5GbE for fast local networking. It is not the cheapest option, and it has no HDMI output, but the overall package is stronger.

Choose the CalDigit TS4 if:

• You want the highest scoring dock in this matchup
• You need SD or microSD card readers
• You want more USB-C and USB-A ports
• You prefer a built-in DisplayPort output
• You use a MacBook, a Windows laptop, or a mixed setup
• You want 98W host charging and a 24-month warranty
• You do not need Surface Enterprise Management Mode

Who should buy the Microsoft Surface Thunderbolt 4 Dock?

Choose the Surface Thunderbolt 4 Dock if you are buying for a Surface or Windows environment where official Microsoft management matters. That is its lane, and it is a valid one.

For a supported Surface fleet, the Surface dock gives IT teams features that the TS4 product data does not claim: firmware updates through Windows Update, WMI support, MAC address passthrough, Wake-on-LAN from Modern Standby, and Surface Enterprise Management Mode. Those are not flashy consumer specs, but they matter when someone has to deploy and support a lot of desks.

It can also be a clean choice for a minimal Surface desk. If you already use USB-C monitors, do not need card readers, do not need HDMI or DisplayPort on the dock, and are comfortable with 96W charging, the Microsoft dock keeps the setup simple and official.

Do not buy it expecting the most ports for the money. The YAML is clear about the trade-offs: no HDMI, no DisplayPort, no SD or microSD, modest port count for the price, and management features that are best on Windows and Surface hardware.

Choose the Surface Thunderbolt 4 Dock if:

• You manage supported Surface devices
• You need Microsoft firmware and management features
• Your monitors connect through USB-C or Thunderbolt
• You want a standard Thunderbolt 4 dock instead of Surface Connect
• Your laptop is comfortable with 96W host charging
• You do not need built-in card readers or direct HDMI / DisplayPort

Verdict: CalDigit TS4 wins, Surface wins only for Microsoft-managed desks

The CalDigit TS4 is the better dock for most people. It has the higher score, more useful ports, stronger creator features, broader platform positioning, a 24-month warranty, and slightly higher host charging. It also avoids the Surface dock’s biggest everyday annoyance: needing USB-C displays or adapters for every monitor connection.

The Microsoft Surface Thunderbolt 4 Dock is not a bad dock. It is a focused dock. It makes the most sense when the buyer values official Surface and Windows management more than ports, card readers, and display connector variety. In that environment, the Surface dock can be the smarter operational choice.

For everyone else, the TS4 is easier to recommend. It covers more desks with fewer compromises.

Read the full reviews for the CalDigit TS4 and Microsoft Surface Thunderbolt 4 Dock for more detail. If you are comparing broader options, our best docking stations for dual monitors page and docking station buying guide are good next stops.