Hardware Spec Index

Tessarix NX-7621 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX7621-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index1,472 (Network Cards scale)
Category rank#7,170
Street price$39
Power2 W
Performance per dollar37.74
Released2024

Specifications

BrandTessarix
ModelTessarix NX-7621 Ultra
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfacePCIe 3.0 x1
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
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-6151 SE 10GbE RJ45 PCIe Network Card4,508$279Compare
Quorvex NX-7791 Ultra 2.5GbE RJ45 PCIe Network Card983$29Compare
Tessarix NX-6755 Core Dual-Port 10GbE RJ45 PCIe Network Card5,169$329Compare
Tessarix NX-9561 Ultra 2.5GbE RJ45 PCIe Network Card1,452$39Compare
Quorvex NX-5978 Max 2.5GbE RJ45 USB Adapter1,492$39Compare
Quorvex NX-8049 XT 2.5GbE RJ45 PCIe Network Card1,212$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7621 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/7841354 (accessed 2026-10-26).