Hardware Spec Index

Vantrel NX-1991 Prime 2.5GbE RJ45 USB Adapter

Network Cards · Vantrel · SKU NX1991-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,648 (Network Cards scale)
Category rank#41,735
Street price$119
Power3 W
Performance per dollar22.25
Released2021

Specifications

BrandVantrel
ModelVantrel NX-1991 Prime
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
Tessarix NX-7893 Prime 5GbE RJ45 PCIe Network Card4,006$209Compare
Quorvex NX-8589 XT 25GbE SFP28 PCIe Network Card4,925$329Compare
Strivon NX-9170 Ultra 10GbE SFP+ PCIe Network Card4,863$299Compare
Vantrel NX-3058 Ultra 10GbE RJ45 PCIe Network Card3,773$199Compare
Strivon NX-5118 Core 2.5GbE RJ45 USB Adapter1,783$49Compare
Tessarix NX-6655 Max 25GbE SFP28 PCIe Network Card5,236$359Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-1991 Prime 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/674447 (accessed 2026-10-20).