Hardware Spec Index

Tessarix NX-5821 Pro 10GbE RJ45 Thunderbolt Adapter

Network Cards · Tessarix · SKU NX5821-PRO · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index5,144 (Network Cards scale)
Category rank#48,077
Street price$359
Power9 W
Performance per dollar14.33
Released2025

Specifications

BrandTessarix
ModelTessarix NX-5821 Pro
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
Strivon NX-4889 Max 10GbE RJ45 PCIe Network Card5,220$369Compare
Vantrel NX-3202 Max Dual-Port 25GbE SFP28 PCIe Network Card5,791$439Compare
Tessarix NX-5182 Prime 2.5GbE RJ45 PCIe Network Card2,152$69Compare
Vantrel NX-9695 SE 5GbE RJ45 PCIe Network Card2,252$79Compare
Tessarix NX-5577 Prime 2.5GbE RJ45 PCIe Network Card1,109$29Compare
Tessarix NX-5062 Core 25GbE SFP28 PCIe Network Card5,492$469Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5821 Pro 10GbE RJ45 Thunderbolt Adapter”, https://vextor7.com/item/76983256 (accessed 2026-10-25).