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This new 'DockFrame' expansion card can transform a PC's USB-C port into swathe of features and functions — Multimeter, Microcontrollers and Mini SSDs among new hot-swappable expansion card ecosystem

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There’s a new USB Type-C dock on the block. So far, so ordinary. But the new DockFrame from HW Media Lab LLC has caused a stir by (unofficially) supporting Framework’s range of modular expansion cards. Furthermore, the maker is promising its own ‘Tool Cards,’ Lego brick compatibility, and more.

DockFrame update: first prototype photosWe're iterating on the PCB now (power + routing + port behavior) and we're incorporating the community's requirements into the spec.If you have ideas, please send them to: https://t.co/hXPdZPR8kl@FrameworkPuter #framework #OpenSource pic.twitter.com/dCAqyceURGJanuary 17, 2026

The first prototype photos of the DockFrame were released over the weekend, showing some capabilities, customizations, and other options. In the Tweet above, the HW Media Lab director said, “We're iterating on the PCB now (power + routing + port behavior) and we're incorporating the community's requirements into the spec.”

Encouragingly, DockFrame is still on the lookout for device/expansion/tool card suggestions. So, don’t feel you’ve missed the chance to mail in your idea for a USB-powered scone warmer, mechanized bottle opener, or whatever.

Image 1 of 3 (Image credit: HW Media Lab LLC's DockFrame (Image credit: HW Media Lab LLC's DockFrame (Image credit: HW Media Lab LLC's DockFrame

DockFrame’s site shows that its first product is set to have four slots for hot-swappable Framework computer-compatible expansion cards. At the time of writing, Framework offers 24 types of expansion cards directly. This range spans offerings for USB-A, DP, HDMI, audio, Ethernet, and more. There are various color options just for fun.

HW Media Lab plans to expand the hot-swap modular docking ecosystem with its Tool Cards. These currently include the following:

Multimeter card

Power supply card

Microcontroller dev card

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