Hardware Spec Index

Vantrel NX-7851 Core 2.5GbE RJ45 USB Adapter

Network Cards · Vantrel · SKU NX7851-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,630 (Network Cards scale)
Category rank#6,551
Street price$39
Power2 W
Performance per dollar41.79
Released2020

Specifications

BrandVantrel
ModelVantrel NX-7851 Core
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-5470 Plus 2.5GbE RJ45 USB Adapter839$19Compare
Quorvex NX-8744 Edge 5GbE RJ45 USB Adapter4,172$239Compare
Quorvex NX-5947 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,531$409Compare
Strivon NX-1226 Max 25GbE SFP28 PCIe Network Card5,629$419Compare
Tessarix NX-4006 XT 2.5GbE RJ45 PCIe Network Card1,728$39Compare
Tessarix NX-3003 Ti Dual-Port 25GbE SFP28 PCIe Network Card5,355$379Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-7851 Core 2.5GbE RJ45 USB Adapter”, https://vextor7.com/item/3668853 (accessed 2026-10-19).