Hardware Spec Index

Tessarix NX-9991 Ultra Dual-Port 10GbE RJ45 PCIe Network Card

Network Cards · Tessarix · SKU NX9991-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index4,874 (Network Cards scale)
Category rank#41,985
Street price$339
Power13 W
Performance per dollar14.38
Released2023

Specifications

BrandTessarix
ModelTessarix NX-9991 Ultra
Speed10GbE (10G)
Ports2× RJ45
Host interfacePCIe 3.0 x8
CablingCat6a (100 m) / Cat6 (up to 55 m)
StandardIEEE 802.3an (10GBASE-T)
Jumbo framesUp to 9 KB
OffloadsTSO, LRO, RSS, SR-IOV
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
Quorvex NX-5600 Core 5GbE RJ45 PCIe Network Card2,625$99Compare
Tessarix NX-3105 Edge 2.5GbE RJ45 PCIe Network Card1,344$29Compare
Vantrel NX-4990 Pro 10GbE RJ45 PCIe Network Card3,336$179Compare
Strivon NX-6854 Plus 2.5GbE RJ45 USB Adapter3,504$179Compare
Quorvex NX-6713 Edge 10GbE SFP+ PCIe Network Card4,180$209Compare
Quorvex NX-4538 Prime Dual-Port 10GbE RJ45 PCIe Network Card3,742$189Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-9991 Ultra Dual-Port 10GbE RJ45 PCIe Network Card”, https://vextor7.com/item/4973277 (accessed 2026-10-25).