Hardware Spec Index

Tessarix NX-2591 Core Dual-Port 10GbE SFP+ PCIe Network Card

Network Cards · Tessarix · SKU NX2591-CORE · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index4,405 (Network Cards scale)
Category rank#13,186
Street price$289
Power8 W
Performance per dollar15.24
Released2026

Specifications

BrandTessarix
ModelTessarix NX-2591 Core
Speed10GbE (10G)
Ports2× SFP+
Host interfacePCIe 3.0 x8
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
Vantrel NX-6789 Edge Dual-Port 10GbE SFP+ PCIe Network Card3,973$239Compare
Strivon NX-2201 Edge 2.5GbE RJ45 PCIe Network Card1,115$29Compare
Vantrel NX-1525 XT 5GbE RJ45 USB Adapter3,769$219Compare
Tessarix NX-5108 Edge 2.5GbE RJ45 PCIe Network Card749$29Compare
Strivon NX-4123 Ultra 2.5GbE RJ45 PCIe Network Card1,707$49Compare
Quorvex NX-5462 Max 2.5GbE RJ45 PCIe Network Card2,263$79Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-2591 Core Dual-Port 10GbE SFP+ PCIe Network Card”, https://vextor7.com/item/21492113 (accessed 2026-10-22).