Hardware Spec Index

Tessarix NX-9838 Ultra 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX9838-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index4,401 (Network Cards scale)
Category rank#36,874
Street price$249
Power6 W
Performance per dollar17.67
Released2019

Specifications

BrandTessarix
ModelTessarix NX-9838 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
Vantrel NX-3395 Ultra Dual-Port 25GbE SFP28 PCIe Network Card5,894$449Compare
Vantrel NX-6050 XT Dual-Port 10GbE SFP+ PCIe Network Card3,277$169Compare
Strivon NX-6311 Core 2.5GbE RJ45 PCIe Network Card3,401$169Compare
Quorvex NX-5841 Core Dual-Port 10GbE SFP+ PCIe Network Card3,508$189Compare
Vantrel NX-9796 Core 10GbE RJ45 PCIe Network Card3,920$219Compare
Quorvex NX-2106 Ti 2.5GbE RJ45 PCIe Network Card2,126$69Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-9838 Ultra 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/10200026 (accessed 2026-10-19).