Hardware Spec Index

Tessarix NX-9877 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX9877-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index5,389 (Network Cards scale)
Category rank#30,494
Street price$369
Power6 W
Performance per dollar14.60
Released2022

Specifications

BrandTessarix
ModelTessarix NX-9877 Ultra
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

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Cite this page: Hardware Spec Index, “Tessarix NX-9877 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/95020307 (accessed 2026-10-20).