Hardware Spec Index

Tessarix NX-7281 Core Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX7281-CORE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index4,875 (Network Cards scale)
Category rank#1,720
Street price$279
Power8 W
Performance per dollar17.47
Released2021

Specifications

BrandTessarix
ModelTessarix NX-7281 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
Vantrel NX-9161 Pro 25GbE SFP28 PCIe Network Card6,039$469Compare
Quorvex NX-6720 Prime 2.5GbE RJ45 USB Adapter1,024$19Compare
Quorvex NX-2769 Pro Dual-Port 10GbE RJ45 PCIe Network Card4,658$299Compare
Quorvex NX-9103 Core 2.5GbE RJ45 PCIe Network Card2,587$99Compare
Strivon NX-4954 XT 10GbE RJ45 PCIe Network Card5,460$369Compare
Vantrel NX-4812 SE 10GbE RJ45 PCIe Network Card4,521$289Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7281 Core Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/874885 (accessed 2026-10-20).