The best video/game capture devices that work on linux.

DEVICES I’VE TESTED WHICH RECORD 4K60 ON LINUX (NO VRR PASSTHROUGH):
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AVMATRIX VC12-4K:
https://www.amazon.com/dp/B0B9BNTKRK?ref=ppx_yo2ov_dt_b_product_details&th=1

Magewell Pro Capture HDMI 4K Plus LT (Performs same as VC12-4K, but much more expensive):
https://www.amazon.com/Magewell-Pro-Capture-HDMI-Plus/dp/B085TQRCW3/
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DEVICES I’VE TESTED WHICH ALLOW 4K60 VRR PASSTHROUGH, BUT RECORD 1440p/1080p:
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ElGato HD60X:
https://www.amazon.com/Elgato-HD60-External-Capture-Card/dp/B09V1KJ3J4/

ASUS TUF Gaming Video Capture Card (CU4K30)
https://www.amazon.com/ASUS-TUF-Passthrough-Near-Zero-Certified/dp/B096PPYZXV/
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DEVICES I’VE TESTED WHICH SHOULD BE AVOIDED/DO NOT PURCHASE FOR LINUX:
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Elgato 4K60 Pro MK.2
Acasis 4K60 HDMI
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UPDATED LINUX DRIVER FOR AVMATRIX VC12-4K:
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https://github.com/GloriousEggroll/AVMATRIX-VC12-4K-CAPTURE
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