Hardware Spec Index

Tessarix NX-3121 Core Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX3121-CORE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index6,100 (Network Cards scale)
Category rank#23,839
Street price$499
Power8 W
Performance per dollar12.22
Released2022

Specifications

BrandTessarix
ModelTessarix NX-3121 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
Strivon NX-6458 Pro 2.5GbE RJ45 PCIe Network Card1,023$29Compare
Vantrel NX-9241 Edge 2.5GbE RJ45 PCIe Network Card836$29Compare
Quorvex NX-4611 XT 2.5GbE RJ45 PCIe Network Card2,670$109Compare
Strivon NX-5619 XT 2.5GbE RJ45 PCIe Network Card2,876$119Compare
Quorvex NX-3776 Ti 10GbE RJ45 Thunderbolt Adapter3,399$179Compare
Vantrel NX-1553 Max 25GbE SFP28 PCIe Network Card5,426$389Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-3121 Core Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/53479774 (accessed 2026-10-22).