Hardware Spec Index

Vantrel NX-8638 Ultra 2.5GbE RJ45 USB Adapter

Network Cards · Vantrel · SKU NX8638-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index3,035 (Network Cards scale)
Category rank#49,212
Street price$139
Power3 W
Performance per dollar21.83
Released2019

Specifications

BrandVantrel
ModelVantrel NX-8638 Ultra
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
Quorvex NX-6173 Edge 2.5GbE RJ45 PCIe Network Card2,482$89Compare
Strivon NX-7504 Pro Dual-Port 10GbE SFP+ PCIe Network Card4,250$279Compare
Quorvex NX-3999 Pro 2.5GbE RJ45 PCIe Network Card1,904$59Compare
Vantrel NX-2472 Plus 25GbE SFP28 PCIe Network Card5,306$429Compare
Strivon NX-2656 Edge 2.5GbE RJ45 USB Adapter2,590$109Compare
Quorvex NX-9146 Core Dual-Port 10GbE RJ45 PCIe Network Card4,501$299Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-8638 Ultra 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/10149049 (accessed 2026-10-19).