Vantrel NX-5821 Ultra Dual-Port 10GbE SFP+ PCIe Network Card
Network Cards · Vantrel · SKU NX5821-ULTRA · Released 2019 · Updated 2026-10-26
Key facts
| Benchmark index | 4,934 (Network Cards scale) |
|---|---|
| Category rank | #1,153 |
| Street price | $329 |
| Power | 8 W |
| Performance per dollar | 15.00 |
| Released | 2019 |
Specifications
| Brand | Vantrel |
|---|---|
| Model | Vantrel NX-5821 Ultra |
| Speed | 10GbE (10G) |
| Ports | 2× SFP+ |
| Host interface | PCIe 3.0 x8 |
| Cabling | DAC or optical transceiver |
| Standard | SFF-8431 (10GBASE-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 |
Related guides
Similar Network Cards
Cite this page: Hardware Spec Index, “Vantrel NX-5821 Ultra Dual-Port 10GbE SFP+ PCIe Network Card”, https://vextor7.com/item/6926512 (accessed 2026-10-26).