Hardware Spec Index

Tessarix NX-7621 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX7621-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index6,100 (Network Cards scale)
Category rank#45,192
Street price$489
Power8 W
Performance per dollar12.47
Released2021

Specifications

BrandTessarix
ModelTessarix NX-7621 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-2002 Max 25GbE SFP28 PCIe Network Card4,882$339Compare
Strivon NX-8935 SE 25GbE SFP28 PCIe Network Card6,032$499Compare
Vantrel NX-1224 Edge Dual-Port 10GbE RJ45 PCIe Network Card5,590$399Compare
Vantrel NX-7649 Prime 2.5GbE RJ45 USB Adapter3,194$179Compare
Strivon NX-5138 Ultra 5GbE RJ45 USB Adapter3,415$189Compare
Strivon NX-1217 Ti 25GbE SFP28 PCIe Network Card4,393$269Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7621 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/48756187 (accessed 2026-10-20).