Hardware Spec Index

Vantrel NX-3943 XT Dual-Port 25GbE SFP28 PCIe Network Card

Network Cards · Vantrel · SKU NX3943-XT · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index4,529 (Network Cards scale)
Category rank#19,220
Street price$249
Power8 W
Performance per dollar18.19
Released2025

Specifications

BrandVantrel
ModelVantrel NX-3943 XT
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

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Cite this page: Hardware Spec Index, “Vantrel NX-3943 XT Dual-Port 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/6743539 (accessed 2026-10-25).