DockCase’s Mount Ling 2 Pro combines a stand and USB-C dock for handheld gaming devices with an internal capture card and an M.2 slot that supports NVMe drives up to 4TB. The device is aimed at handheld PCs such as the Steam Deck, as well as the Nintendo Switch and Switch 2, though its features and reliability vary by platform.
The Pro model is priced at $149 during its Kickstarter early-bird offer, with a planned price of $249 afterward. A standard Mount Ling 2 without the capture card costs $109 early or $199 once the offer ends. Both versions include support for NVMe drives in 2280, 2242 and 2230 sizes, but the external storage is only usable with platforms that support it. That rules out the Switch and Switch 2.
The dock connects to a handheld over USB-C, with a 10Gbps USB 3.2 Gen 2 link. Its ports include HDMI 2.0 output supporting up to 4K at 60Hz, Gigabit Ethernet, USB-A, USB 2.0 and a USB-C port that provides capture output on the Pro model. It also supports up to 100W of power delivery and includes optical audio output. DockCase supplies a braided cable and two right-angle connectors.
A built-in 40mm fan cools the installed SSD, with automatic and manual speed options. The dock’s screen displays connection, power and storage information, while its settings include HDMI and power-delivery options. The review found the touchscreen responsive, but reported that connecting devices in the wrong order could cause connection problems or force a reboot, particularly with the Switch 2.
The Steam Deck setup worked smoothly, and the review said the SSD could be used with the handheld after setting it up in desktop mode. The capture card appears to recording software such as OBS as a video capture device; DockCase does not provide its own capture or recording application.
Testing with a 2TB WD_Black SN770 produced sequential read and write speeds of about 820MB/s. The 10Gbps connection limits performance compared with the drive’s potential when installed directly in a computer, but the review considered the capacity useful for handheld gaming.
Switch 2 use was more troublesome. The review reported that the console had to be unlocked before being connected to the dock’s bottom USB-C port, and that the HDMI signal did not pass through reliably without following a specific connection sequence. Switch models also cannot use the SSD, and a future system update could affect compatibility with third-party docks. The Mount Ling 2 Pro therefore offers a broader set of features for PC handheld owners than for Switch 2 users.
Sources: Tom's Hardware.