Hardware Spec Index

Tessarix NX-1991 XT 10GbE RJ45 Thunderbolt Adapter

Network Cards · Tessarix · SKU NX1991-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index4,591 (Network Cards scale)
Category rank#22,437
Street price$289
Power9 W
Performance per dollar15.89
Released2019

Specifications

BrandTessarix
ModelTessarix NX-1991 XT
Speed10GbE (10G)
Ports1× RJ45
Host interfaceThunderbolt 4 / USB4
CablingCat6a (100 m) / Cat6 (up to 55 m)
StandardIEEE 802.3an (10GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
Wake-on-LANNo
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingUSB4 ExplainedPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Tessarix NX-3661 Edge 2.5GbE RJ45 PCIe Network Card1,412$29Compare
Tessarix NX-1830 Ultra 5GbE RJ45 USB Adapter3,911$249Compare
Strivon NX-2322 Plus 2.5GbE RJ45 PCIe Network Card1,111$29Compare
Vantrel NX-2864 Ti 5GbE RJ45 USB Adapter1,747$49Compare
Vantrel NX-7079 Ti 10GbE RJ45 PCIe Network Card3,991$219Compare
Tessarix NX-8761 Plus 25GbE SFP28 PCIe Network Card4,508$309Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1991 XT 10GbE RJ45 Thunderbolt Adapter”, https://vextor7.com/item/20061968 (accessed 2026-10-24).