Hardware Spec Index

Vantrel NX-6681 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Vantrel · SKU NX6681-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index6,100 (Network Cards scale)
Category rank#29,814
Street price$499
Power8 W
Performance per dollar12.22
Released2026

Specifications

BrandVantrel
ModelVantrel NX-6681 Ultra
Speed25GbE (25G)
Ports2× SFP28
Host interfacePCIe 4.0 x8
CablingDAC or optical transceiver
StandardIEEE 802.3by (25GBASE-R)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
Wake-on-LANYes
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Strivon NX-6309 XT 5GbE RJ45 PCIe Network Card2,974$119Compare
Vantrel NX-2841 SE Dual-Port 10GbE SFP+ PCIe Network Card4,736$319Compare
Quorvex NX-8332 Ultra 10GbE SFP+ PCIe Network Card3,832$189Compare
Strivon NX-6141 Core 5GbE RJ45 PCIe Network Card3,201$169Compare
Tessarix NX-7829 Pro Dual-Port 25GbE SFP28 PCIe Network Card4,607$309Compare
Tessarix NX-8064 SE 5GbE RJ45 PCIe Network Card3,458$169Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-6681 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/783102 (accessed 2026-10-19).