Hardware Spec Index

Tessarix NX-9821 XT Dual-Port 10GbE SFP+ PCIe Network Card

Network Cards · Tessarix · SKU NX9821-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,933 (Network Cards scale)
Category rank#47,243
Street price$119
Power8 W
Performance per dollar24.65
Released2021

Specifications

BrandTessarix
ModelTessarix NX-9821 XT
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

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Strivon NX-3771 Ti 2.5GbE RJ45 PCIe Network Card1,326$39Compare
Quorvex NX-5322 Edge Dual-Port 25GbE SFP28 PCIe Network Card4,215$269Compare
Tessarix NX-6724 Pro Dual-Port 10GbE SFP+ PCIe Network Card4,229$239Compare
Tessarix NX-7872 Plus Dual-Port 10GbE RJ45 PCIe Network Card5,082$329Compare
Strivon NX-9217 Max 2.5GbE RJ45 USB Adapter1,345$39Compare
Vantrel NX-1115 XT 5GbE RJ45 PCIe Network Card3,513$189Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-9821 XT Dual-Port 10GbE SFP+ PCIe Network Card”, https://vextor7.com/item/91676709 (accessed 2026-10-19).