Sabrent SB-TB4K

This is what matters about Sabrent SB-TB4K.

About

Less a conventional KVM than a Thunderbolt 4 bandwidth router, built on Intel Goshen Ridge silicon to bypass USB-C DP Alt Mode limitations entirely by tunneling multiple PCIe and native DisplayPort streams over one cable — this is what lets even Apple Silicon Macs escape the usual USB-C KVM mirroring restriction. Moves 40Gbps bidirectionally, enough to daisy-chain capture cards, NVMe arrays, and 8K HDR monitor matrices. Delivers a firm 60W PD 3.0 to hosts, with peripherals drawing via BC1.2. Community feedback notes real heat buildup in the aluminum housing under sustained heavy transfer, and the lack of a dedicated hardware EDID engine causes a visible flicker/black-screen re-handshake delay when switching channels.

DisplayPort version
1.4
DP Alt Mode
Yes
Power Delivery in
60W
Max resolution
7680x4230@144Hz

Ports: 2× USB-C (Thunderbolt 4, entrada), 3× USB-C (Thunderbolt 4, consola) and 4× USB-A 3.2 Gen 2

Confirmed with

  • Notebook (generic)

    Community members confirm this exact model tunnels Thunderbolt correctly to escape macOS's usual clone-only USB-C KVM limitation, but report a visible flicker/black-screen delay of a few seconds when re-negotiating the handshake on every channel switch, since it lacks a dedicated hardware EDID emulator.