Hardware Spec Index

Vantrel NX-6721 Ultra 2.5GbE RJ45 PCIe Network Card

Network Cards · Vantrel · SKU NX6721-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,106 (Network Cards scale)
Category rank#25,367
Street price$69
Power3 W
Performance per dollar30.52
Released2019

Specifications

BrandVantrel
ModelVantrel NX-6721 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
Tessarix NX-2040 Ultra 10GbE RJ45 PCIe Network Card3,766$219Compare
Strivon NX-8154 Core 2.5GbE RJ45 USB Adapter1,787$49Compare
Strivon NX-5833 Prime 2.5GbE RJ45 PCIe Network Card1,615$39Compare
Vantrel NX-3873 Max 5GbE RJ45 PCIe Network Card2,889$129Compare
Tessarix NX-3068 Plus Dual-Port 10GbE RJ45 PCIe Network Card3,071$159Compare
Strivon NX-1985 Edge 10GbE RJ45 PCIe Network Card4,280$269Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-6721 Ultra 2.5GbE RJ45 PCIe Network Card”, https://vextor7.com/item/670690 (accessed 2026-10-19).