Hardware Spec Index

Tessarix NX-8840 Pro 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX8840-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index5,666 (Network Cards scale)
Category rank#8,542
Street price$499
Power6 W
Performance per dollar11.35
Released2026

Specifications

BrandTessarix
ModelTessarix NX-8840 Pro
Speed25GbE (25G)
Ports1× 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-9816 XT 2.5GbE RJ45 USB Adapter2,326$79Compare
Tessarix NX-5440 Max 2.5GbE RJ45 PCIe Network Card826$19Compare
Quorvex NX-7246 Edge 5GbE RJ45 PCIe Network Card3,309$159Compare
Strivon NX-7414 Pro 5GbE RJ45 USB Adapter2,903$129Compare
Strivon NX-2559 Prime Dual-Port 10GbE SFP+ PCIe Network Card4,698$329Compare
Quorvex NX-1603 Prime Dual-Port 10GbE RJ45 PCIe Network Card5,009$319Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-8840 Pro 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/50004465 (accessed 2026-10-19).