Hardware Spec Index

Tessarix NX-2638 Plus 5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX2638-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,946 (Network Cards scale)
Category rank#41,200
Street price$59
Power2 W
Performance per dollar32.98
Released2021

Specifications

BrandTessarix
ModelTessarix NX-2638 Plus
Speed5GbE (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
Strivon NX-1693 SE 25GbE SFP28 PCIe Network Card5,800$419Compare
Tessarix NX-3548 Prime Dual-Port 10GbE RJ45 PCIe Network Card5,803$449Compare
Vantrel NX-2202 Ultra 25GbE SFP28 PCIe Network Card5,364$399Compare
Quorvex NX-9204 Edge 25GbE SFP28 PCIe Network Card6,044$499Compare
Vantrel NX-5145 XT 25GbE SFP28 PCIe Network Card5,791$449Compare
Strivon NX-3838 Core 2.5GbE RJ45 USB Adapter1,856$59Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-2638 Plus 5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/4045185 (accessed 2026-10-23).