Hardware Spec Index

Tessarix NX-8991 Ultra 10GbE SFP+ PCIe Network Card

Network Cards · Tessarix · SKU NX8991-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index4,169 (Network Cards scale)
Category rank#49,400
Street price$269
Power6 W
Performance per dollar15.50
Released2025

Specifications

BrandTessarix
ModelTessarix NX-8991 Ultra
Speed10GbE (10G)
Ports1× SFP+
Host interfacePCIe 3.0 x4
CablingDAC or optical transceiver
StandardSFF-8431 (10GBASE-R)
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-8147 Ti 2.5GbE RJ45 PCIe Network Card1,338$29Compare
Quorvex NX-5588 Ultra 5GbE RJ45 PCIe Network Card2,738$119Compare
Strivon NX-4070 Ti 25GbE SFP28 PCIe Network Card5,813$489Compare
Strivon NX-7397 XT Dual-Port 10GbE SFP+ PCIe Network Card4,007$239Compare
Tessarix NX-7421 Prime 5GbE RJ45 PCIe Network Card3,869$249Compare
Vantrel NX-9994 Ultra 10GbE SFP+ PCIe Network Card4,099$229Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8991 Ultra 10GbE SFP+ PCIe Network Card”, https://vextor7.com/item/20184144 (accessed 2026-10-21).