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The new CalDigit Thunderbolt Station 4 — or TS4 — connects 18 ports to your Mac and delivers plenty of power.
This new dock is one of few Thunderbolt 4 hubs to come to market. Apple's just started to adopt Thunderbolt 4, and we're sure to see an influx from major accessory makers soon.
That said, CalDigit has a reputation for creating some of the best hubs on the market, and the TS4 is no exception.
The TS4 borrows its design from the TS3 Plus and the original TS3. It has an all-metal design with ridges down the sides that double as heat sinks.
One end of the TS4 has a rubber foot, allowing it to stand vertically. You can slide on two rubber feet to sit it on its side if you prefer.
The dedicated power supply for the TS4 has a large barrel connector that plugs into the back of the dock. The supply is rated for 230W of total power delivery.
At launch, the TS4 has a lot of firsts. It isn't the first Thunderbolt 4 hub or even the first from CalDigit. It is the first to have 18 ports, the first Thunderbolt 4 dock with 98W of power delivery, and the first with a 2.5Gb Ethernet port.
If we expand on those ports further, there are six ports on the front. The front-facing ports include:
On the back, there are an additional 12 ports plus a security slot. The rear ports include:
Looking specifically at our Mac setup, there's a reason we're so thrilled by this dock.
Since there is a front-facing 20W USB-C port, we can use MagSafe. Connect your MagSafe cable and you can charge any iPhone 12 or iPhone 13 at up to 15W.
All USB-C, the front-facing USB-A, and two of the rear USB-A all can deliver power while not connected to your Mac. Even when the host is powered down, this turns the TS4 into a great charging station for your accessories.
We connected our Apple Watch charger, a GoPro, our Rode microphones, and our AirPods. All can power up while we step away from the desk.
We're using the Thunderbolt 4-equipped 16-inch MacBook Pro, which gained an SD card slot with the redesign. Even though this is a UHS-II card slot, Apple limits it to only 250MB/s. UHS-II is capable of 312MB/s, which is what the CalDigit TS4 supports.
That makes the TS4 faster at transferring data from supported SD cards. Not to mention you don't need to use an adapter with MicroSD cards.
Apple's new 16-inch MacBook Pro is a big machine and can accept up to 140W over MagSafe. The 98W of power here is still below that maximum, but it's the most we've seen yet from a Thunderbolt dock.
The TS3 Plus has been a great dock, but we got so many more benefits with the TS4.
As popular as the CalDigit TS3 Plus was, it was only apt to compare this next-generation model to it.
There are improvements across the board with the TS4. CaDigit increased the number of ports, increased the data and charging speed on many USB ports, increased the number of Thunderbolt ports, upped the power delivery, and increased the maximum display output.
Physically, the devices are quite similar. They sport similar designs, though the TS4 is slightly larger. The TS4 is taller and deeper than the TS3 Plus, but looks very similar from a style perspective.
The TS4 can power a single 8K external display, though this is currently unsupported on the Mac.
Mac users can still run dual 6K displays through the dock, or any two lower resolution displays. That includes Apple's Pro Display XDR.
CalDigit upped the DisplayPort on the TS4 to version 1.4, but we still wish they opted for HDMI. There is an HDMI port on our Mac, but with a dock, the idea is you can have only one cable to connect or disconnect.
DisplayPort is still around, but not as common as HDMI is in 2022. It isn't the end of the world, and the AppleInsider staff is split as to which they prefer.
Thunderbolt 4 didn't increase the speed of Thunderbolt, but it's enabled plenty of new functionality here. The Thunderbolt 4 controller chip included is why there are multiple downstream Thunderbolt ports on the device, and why this dock will still work with non-Thunderbolt 4 devices.
You can easily plug an iPad Pro (USB 4) or an older Mac with Thunderbolt 3 and still get most of the features of the TS4. This makes it incredibly versatile and the dock we'd recommend, even if you don't have Thunderbolt 4 yet.
You can use this with your Thunderbolt 3 Mac and then be future-proofed when you eventually upgrade to a new Thunderbolt 4-equipped machine.
We've almost no qualms with the CalDigit TS4, outside of its lack of HDMI. With so many ports and lots of power, this is the undisputed king of Thunderbolt 4 docks.
You can check out the CalDigit TS4 on both Amazon as well as B&H. B&H will have it in stock mid-February while Amazon says mid-March.
Oops, I think you reversed the power delivery. Doesn’t the TS4 support 98W? Great review BTW!
If you have a power strip that powers both a TS4 and a MacBook Pro, what happens if you turn off the power? Will the MacBook Pro keep supplying the TS4 with power, thus draining the battery, even when the MBP is in sleep mode? In my case I have a Satechi USB-C adapter connected to my MBP. When I turn off the power strip and put the MBP to sleep, the Satechi adapter is still powered by the MBP and it drains 20% of the MBP:s battery during the night, I would like to avoid this.
Oddly enough, I passed on this in favor of the Caldigit Element Hub because it has 4 TB4 ports & 4 USB-A ports. That extra TB4 port is wildly capable all by itself, so it could be converted to anything if need be. Right now its just working a USB-C port for an Ethernet adapter. But if the need arises, I could easily use a USB-A Ethernet adapter instead. The other TB4 ports are occupied by my displays, and all the other random ports on this machine are not useful to me at my desk. Not when I have a spare TB4 port that can do anything. This hub also strangely claims that it can do dual 6k displays, which no other TB4 dock can do, which makes absolutely no sense. I wonder what the fine print on that is. This hub is a $100 more than the Element Hub, and less capable IMO due to the lack of a another TB4 port.
Prometheu said: Oddly enough, I passed on this in favor of the Caldigit Element Hub because it has 4 TB4 ports & 4 USB-A ports. That extra TB4 port is wildly capable all by itself, so it could be converted to anything if need be. Right now its just working a USB-C port for an Ethernet adapter. But if the need arises, I could easily use a USB-A Ethernet adapter instead. The other TB4 ports are occupied by my displays, and all the other random ports on this machine are not useful to me at my desk. Not when I have a spare TB4 port that can do anything. This hub also strangely claims that it can do dual 6k displays, which no other TB4 dock can do, which makes absolutely no sense. I wonder what the fine print on that is. This hub is a $100 more than the Element Hub, and less capable IMO due to the lack of a another TB4 port. Good for you. My MacBook Pro already has three Thunderbolt ports, two of them vacant, so having even more on a hub is pointless for me, while almost everything else on my TS3+ has something plugged into it. I think most people get a capable dock to avoid having lots of adaptors and daisy chains.
Good for you. My MacBook Pro already has three Thunderbolt ports, two of them vacant, so having even more on a hub is pointless for me, while almost everything else on my TS3+ has something plugged into it. I think most people get a capable dock to avoid having lots of adaptors and daisy chains.
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