Hardware Spec Index

Tessarix NX-1838 Prime 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX1838-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index5,272 (Network Cards scale)
Category rank#8,541
Street price$439
Power6 W
Performance per dollar12.01
Released2026

Specifications

BrandTessarix
ModelTessarix NX-1838 Prime
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
Quorvex NX-1768 Max 2.5GbE RJ45 USB Adapter1,495$39Compare
Tessarix NX-7394 SE 25GbE SFP28 PCIe Network Card5,309$379Compare
Strivon NX-3696 Core 2.5GbE RJ45 PCIe Network Card1,069$29Compare
Strivon NX-2635 Prime 5GbE RJ45 PCIe Network Card2,566$99Compare
Vantrel NX-3712 Edge 5GbE RJ45 PCIe Network Card2,203$69Compare
Vantrel NX-4230 Max 2.5GbE RJ45 PCIe Network Card1,849$59Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-1838 Prime 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/20150143 (accessed 2026-10-20).