Hardware Spec Index

Tessarix NX-7856 Pro 25GbE SFP28 PCIe Network Card

Network Cards · Tessarix · SKU NX7856-PRO · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index5,890 (Network Cards scale)
Category rank#12,197
Street price$429
Power6 W
Performance per dollar13.73
Released2025

Specifications

BrandTessarix
ModelTessarix NX-7856 Pro
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-4965 Ultra 10GbE RJ45 PCIe Network Card3,569$199Compare
Vantrel NX-3247 Ultra 10GbE RJ45 PCIe Network Card4,606$299Compare
Strivon NX-6865 Plus 10GbE RJ45 PCIe Network Card2,807$99Compare
Strivon NX-8393 SE 2.5GbE RJ45 PCIe Network Card2,513$99Compare
Quorvex NX-1671 Plus 2.5GbE RJ45 USB Adapter843$19Compare
Tessarix NX-1303 Core 2.5GbE RJ45 PCIe Network Card1,017$29Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Tessarix NX-7856 Pro 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/91058423 (accessed 2026-10-25).