Hardware Spec Index

Tessarix NX-1668 Ultra Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX1668-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index5,506 (Network Cards scale)
Category rank#22,208
Street price$439
Power8 W
Performance per dollar12.54
Released2022

Specifications

BrandTessarix
ModelTessarix NX-1668 Ultra
Speed25GbE (25G)
Ports2× 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
Quorvex NX-6034 Prime Dual-Port 25GbE SFP28 PCIe Network Card5,974$489Compare
Vantrel NX-8977 Max 10GbE RJ45 PCIe Network Card4,420$279Compare
Quorvex NX-2926 Plus 5GbE RJ45 PCIe Network Card2,612$109Compare
Tessarix NX-3134 Core 10GbE RJ45 Thunderbolt Adapter4,747$289Compare
Quorvex NX-9489 SE 2.5GbE RJ45 PCIe Network Card1,277$29Compare
Strivon NX-4358 Edge Dual-Port 10GbE SFP+ PCIe Network Card5,193$379Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1668 Ultra Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/8076833 (accessed 2026-10-23).