Hardware Spec Index

Tessarix NX-5821 Core Dual-Port 10GbE SFP+ PCIe Network Card

Network Cards · Tessarix · SKU NX5821-CORE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index4,216 (Network Cards scale)
Category rank#25,705
Street price$229
Power8 W
Performance per dollar18.41
Released2021

Specifications

BrandTessarix
ModelTessarix NX-5821 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

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Cite this page: Hardware Spec Index, “Tessarix NX-5821 Core Dual-Port 10GbE SFP+ PCIe Network Card”, https://vextor7.com/item/6461672 (accessed 2026-10-22).