Hardware Spec Index

Tessarix NX-9621 Core Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX9621-CORE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index5,437 (Network Cards scale)
Category rank#25,764
Street price$379
Power8 W
Performance per dollar14.35
Released2021

Specifications

BrandTessarix
ModelTessarix NX-9621 Core
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-7852 Prime 2.5GbE RJ45 PCIe Network Card2,336$89Compare
Quorvex NX-4311 Edge 2.5GbE RJ45 USB Adapter1,277$29Compare
Tessarix NX-7714 Edge 10GbE SFP+ PCIe Network Card4,267$259Compare
Quorvex NX-3653 Edge 2.5GbE RJ45 PCIe Network Card2,268$89Compare
Vantrel NX-3674 Edge 2.5GbE RJ45 PCIe Network Card1,132$29Compare
Tessarix NX-9355 SE Dual-Port 25GbE SFP28 PCIe Network Card5,093$439Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-9621 Core Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/420475 (accessed 2026-10-24).