Hardware Spec Index

Tessarix NX-3820 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3820-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,900 (Network Cards scale)
Category rank#34,850
Street price$49
Power2 W
Performance per dollar38.78
Released2026

Specifications

BrandTessarix
ModelTessarix NX-3820 Ultra
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-5553 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,728$449Compare
Tessarix NX-7057 Ti 2.5GbE RJ45 USB Adapter2,252$69Compare
Vantrel NX-9258 Core 25GbE SFP28 PCIe Network Card6,094$439Compare
Quorvex NX-5879 Core 10GbE RJ45 Thunderbolt Adapter3,435$179Compare
Quorvex NX-1292 Max 2.5GbE RJ45 PCIe Network Card1,584$49Compare
Strivon NX-8577 SE 5GbE RJ45 PCIe Network Card2,423$89Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3820 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/95520450 (accessed 2026-10-25).