Hardware Spec Index

Tessarix NX-9511 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX9511-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index5,972 (Network Cards scale)
Category rank#14,120
Street price$469
Power8 W
Performance per dollar12.73
Released2021

Specifications

BrandTessarix
ModelTessarix NX-9511 Ultra
Speed25GbE (25G)
Ports2× SFP28
Host interfacePCIe 4.0 x8
CablingDAC or optical transceiver
StandardIEEE 802.3by (25GBASE-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-6396 Core Dual-Port 25GbE SFP28 PCIe Network Card5,450$389Compare
Tessarix NX-4229 Core Dual-Port 25GbE SFP28 PCIe Network Card5,509$479Compare
Quorvex NX-2812 Max Dual-Port 10GbE SFP+ PCIe Network Card5,531$369Compare
Vantrel NX-2089 Max Dual-Port 10GbE RJ45 PCIe Network Card4,395$329Compare
Quorvex NX-2182 Edge 2.5GbE RJ45 USB Adapter843$19Compare
Quorvex NX-8164 Ultra 10GbE SFP+ PCIe Network Card4,878$349Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-9511 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/9621733 (accessed 2026-10-24).