Hardware Spec Index

Tessarix NX-8638 Plus 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX8638-PLUS · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index3,080 (Network Cards scale)
Category rank#48,039
Street price$129
Power3 W
Performance per dollar23.88
Released2021

Specifications

BrandTessarix
ModelTessarix NX-8638 Plus
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-7581 Pro Dual-Port 10GbE SFP+ PCIe Network Card4,991$309Compare
Vantrel NX-3914 Prime Dual-Port 25GbE SFP28 PCIe Network Card4,768$319Compare
Strivon NX-8048 XT Dual-Port 10GbE RJ45 PCIe Network Card4,600$259Compare
Tessarix NX-6858 Ultra 5GbE RJ45 PCIe Network Card3,424$199Compare
Quorvex NX-3369 Plus 10GbE RJ45 PCIe Network Card4,293$209Compare
Tessarix NX-5902 Pro 10GbE RJ45 PCIe Network Card3,256$149Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8638 Plus 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/3906212 (accessed 2026-10-21).