Hardware Spec Index

Tessarix NX-6681 Max Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX6681-MAX · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index6,054 (Network Cards scale)
Category rank#4,859
Street price$469
Power8 W
Performance per dollar12.91
Released2024

Specifications

BrandTessarix
ModelTessarix NX-6681 Max
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
Quorvex NX-9448 Ti Dual-Port 10GbE SFP+ PCIe Network Card4,028$229Compare
Tessarix NX-6648 XT 2.5GbE RJ45 USB Adapter2,414$89Compare
Vantrel NX-6066 Max Dual-Port 10GbE RJ45 PCIe Network Card3,411$149Compare
Quorvex NX-9771 Prime 5GbE RJ45 PCIe Network Card1,964$69Compare
Quorvex NX-1887 Ultra 2.5GbE RJ45 PCIe Network Card868$29Compare
Strivon NX-1036 SE Dual-Port 10GbE RJ45 PCIe Network Card4,193$249Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6681 Max Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/13601232 (accessed 2026-10-19).