Hardware Spec Index

Tessarix NX-8921 XT 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX8921-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index990 (Network Cards scale)
Category rank#44,795
Street price$19
Power2 W
Performance per dollar52.11
Released2025

Specifications

BrandTessarix
ModelTessarix NX-8921 XT
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
Vantrel NX-1138 Pro Dual-Port 25GbE SFP28 PCIe Network Card5,442$339Compare
Quorvex NX-9709 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,283$369Compare
Quorvex NX-2104 Ti 5GbE RJ45 PCIe Network Card2,631$119Compare
Vantrel NX-6235 Max 2.5GbE RJ45 PCIe Network Card2,380$89Compare
Vantrel NX-4963 Pro 5GbE RJ45 PCIe Network Card3,200$169Compare
Tessarix NX-7931 Plus 5GbE RJ45 USB Adapter3,525$189Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8921 XT 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/94811880 (accessed 2026-10-25).