Hardware Spec Index

Tessarix NX-3865 Pro 2.5GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX3865-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index3,249 (Network Cards scale)
Category rank#36,482
Street price$169
Power3 W
Performance per dollar19.22
Released2026

Specifications

BrandTessarix
ModelTessarix NX-3865 Pro
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-8757 SE 2.5GbE RJ45 PCIe Network Card1,691$39Compare
Quorvex NX-3264 Pro 5GbE RJ45 PCIe Network Card2,528$109Compare
Quorvex NX-4725 Ti 10GbE RJ45 PCIe Network Card2,949$119Compare
Vantrel NX-1241 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,911$429Compare
Vantrel NX-8742 Ultra 5GbE RJ45 USB Adapter3,193$169Compare
Tessarix NX-2283 Plus 5GbE RJ45 PCIe Network Card2,261$99Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3865 Pro 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/213340 (accessed 2026-10-19).