Hardware Spec Index

Tessarix NX-5621 Max 2.5GbE RJ45 USB Adapter

Network Cards · Tessarix · SKU NX5621-MAX · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,508 (Network Cards scale)
Category rank#10,675
Street price$39
Power2 W
Performance per dollar38.67
Released2024

Specifications

BrandTessarix
ModelTessarix NX-5621 Max
Speed2.5GbE (2.5G/1G/100M)
Ports1× RJ45
Host interfaceUSB 3.2 Gen 1 (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

Similar Network Cards

ModelBenchmarkPriceCompare
Vantrel NX-5605 Edge 10GbE SFP+ PCIe Network Card4,890$269Compare
Vantrel NX-5544 Plus Dual-Port 25GbE SFP28 PCIe Network Card5,587$389Compare
Quorvex NX-9117 Edge 25GbE SFP28 PCIe Network Card5,967$489Compare
Quorvex NX-5123 Ti 2.5GbE RJ45 USB Adapter1,285$29Compare
Vantrel NX-5313 Core 10GbE RJ45 Thunderbolt Adapter4,625$299Compare
Quorvex NX-9732 XT Dual-Port 10GbE RJ45 PCIe Network Card3,334$179Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-5621 Max 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/20170957 (accessed 2026-10-20).