Hardware Spec Index

Tessarix NX-3998 XT 5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX3998-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index4,199 (Network Cards scale)
Category rank#49,466
Street price$229
Power3 W
Performance per dollar18.34
Released2021

Specifications

BrandTessarix
ModelTessarix NX-3998 XT
Speed5GbE (5G/1G/100M)
Ports1× RJ45
Host interfaceUSB 3.2 Gen 2 (Type-C)
CablingCat5e or better (100 m)
StandardIEEE 802.3bz (2.5G/5GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, checksum offload
Wake-on-LANNo
VLANIEEE 802.1Q
OS supportWindows 11, Linux, FreeBSD

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

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Cite this page: Hardware Spec Index, “Tessarix NX-3998 XT 5GbE RJ45 USB Adapter”, https://vextor7.com/item/8065404 (accessed 2026-10-20).