Hardware Spec Index

Vantrel NX-8521 SE 25GbE SFP28 PCIe Network Card

Network Cards · Vantrel · SKU NX8521-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index4,872 (Network Cards scale)
Category rank#18,499
Street price$319
Power6 W
Performance per dollar15.27
Released2025

Specifications

BrandVantrel
ModelVantrel NX-8521 SE
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-7027 SE 10GbE RJ45 PCIe Network Card3,619$189Compare
Tessarix NX-2778 Ti 2.5GbE RJ45 USB Adapter3,136$149Compare
Tessarix NX-6108 Core 2.5GbE RJ45 PCIe Network Card1,751$49Compare
Vantrel NX-3263 Plus Dual-Port 25GbE SFP28 PCIe Network Card5,803$479Compare
Strivon NX-3494 Pro Dual-Port 25GbE SFP28 PCIe Network Card4,848$349Compare
Strivon NX-4268 Max Dual-Port 25GbE SFP28 PCIe Network Card6,087$419Compare

All Network Cards · JSON

Cite this page: Hardware Spec Index, “Vantrel NX-8521 SE 25GbE SFP28 PCIe Network Card”, https://vextor7.com/item/1962402 (accessed 2026-10-21).