Quorvex NX-5991 Ultra Dual-Port 25GbE SFP28 PCIe Network Card
Network Cards · Quorvex · SKU NX5991-ULTRA · Released 2021 · Updated 2026-10-18
Key facts
| Benchmark index | 5,202 (Network Cards scale) |
|---|---|
| Category rank | #43,668 |
| Street price | $419 |
| Power | 8 W |
| Performance per dollar | 12.42 |
| Released | 2021 |
Specifications
| Brand | Quorvex |
|---|---|
| Model | Quorvex NX-5991 Ultra |
| Speed | 25GbE (25G) |
| Ports | 2× SFP28 |
| Host interface | PCIe 4.0 x8 |
| Cabling | DAC or optical transceiver |
| Standard | IEEE 802.3by (25GBASE-R) |
| Jumbo frames | Up to 9 KB |
| Offloads | TSO, LRO, RSS, SR-IOV |
| Wake-on-LAN | Yes |
| VLAN | IEEE 802.1Q |
| OS support | Windows 11, Linux, FreeBSD |
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Cite this page: Hardware Spec Index, “Quorvex NX-5991 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/6205437 (accessed 2026-10-18).