QNAP QNA-UC10G1SF USB 4 to 10GbE SFP+ Network Adapter

Overview

The QNA-UC10G1SF is a single-port 10GbE SFP+ adapter that connects via USB 4 Type-C, giving laptops, workstations, and NAS-connected hosts a 10 Gigabit Ethernet uplink without requiring a PCIe slot. The included 1-meter USB 4 cable handles the host-side connection — useful on ultrabooks or compact desktops where internal expansion is not an option but bandwidth matters: copying large surveillance archives, transferring video projects, or direct-attaching to a QNAP NAS for high-throughput backup. If your host port is Thunderbolt 3 or Thunderbolt 4, that interface is backward-compatible with USB 4 — the QNA-UC10G1SF works without an adapter or dongle on those ports as well.

Compatibility

The QNA-UC10G1SF requires a USB 4 or Thunderbolt 3/4 port on the host side — standard USB 3.x Type-C ports do not provide the bandwidth headroom for 10GbE and are not supported. On the network side, the SFP+ cage accepts standard 10GbE SFP+ modules (DAC cables, SR/LR optical transceivers); the specific transceiver compatibility list should be confirmed against the QNAP hardware compatibility list for this adapter before purchasing optics. OS support covers Windows, macOS, and Linux, making it usable across enterprise workstations and developer machines without driver workarounds. For integrators pairing this with a NAS or connecting to a 10GbE network switch, ensure the switch port or NAS SFP+ cage supports the same transceiver type selected for this adapter — mismatched fiber vs. copper DAC is the most common install error.

Installation Notes

The included 1-meter USB 4 cable is the only cable provided — if your rack or desk layout requires more reach, source a certified USB 4 cable separately (length and signal integrity limitations apply). No external power supply is required; the adapter draws power from the USB 4 bus. The SFP+ cage is empty — a compatible 10GbE SFP+ transceiver or DAC cable must be sourced separately and is not included.

What's in the Box

• 1x QNA-UC10G1SF USB 4 to 10GbE SFP+ adapter
• 1x 1-meter USB 4 cable