Hardware Spec Index

Tessarix NX-6489 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX6489-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index4,689 (Network Cards scale)
Category rank#24,942
Street price$349
Power6 W
Performance per dollar13.44
Released2019

Specifications

BrandTessarix
ModelTessarix NX-6489 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

Related guides

2.5GbE, 5GbE and 10GbE NetworkingPCIe Lanes Explained

Similar Network Cards

ModelBenchmarkPriceCompare
Strivon NX-2750 Ultra 2.5GbE RJ45 PCIe Network Card3,071$109Compare
Quorvex NX-2989 Ultra Dual-Port 10GbE RJ45 PCIe Network Card5,206$349Compare
Tessarix NX-4190 Prime 2.5GbE RJ45 PCIe Network Card3,022$129Compare
Vantrel NX-1879 Ti 5GbE RJ45 PCIe Network Card1,990$59Compare
Quorvex NX-6542 Pro 2.5GbE RJ45 USB Adapter3,155$159Compare
Vantrel NX-8997 Max 2.5GbE RJ45 USB Adapter757$19Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-6489 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/5952025 (accessed 2026-10-26).