Hardware Spec Index

Altrix PX-7581 Prime Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX7581-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index3,163 (PCIe Cards & NVMe Enclosures scale)
Category rank#3,429
Street price$139
Power12 W
Performance per dollar22.76
Released2022

Specifications

BrandAltrix
ModelAltrix PX-7581 Prime
TypeQuad M.2 PCIe 4.0 x16 Card
Host interfacePCIe 4.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~7,000 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingHeatsink + 40 mm fan
Bus powerSlot-powered
CompatibilityUEFI boot supported; check slot bifurcation

Related guides

NVMe SSDs ExplainedPCIe Lanes ExplainedPCIe 4.0 vs PCIe 5.0USB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-8753 Pro USB 3.2 Gen 2 NVMe Enclosure4,077$179Compare
Veltrix PX-4491 Plus Quad M.2 PCIe 4.0 x16 Card3,518$179Compare
Altrix PX-8206 Prime Dual M.2 PCIe Switch Card5,161$319Compare
Tessarix PX-9182 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,236$29Compare
Tessarix PX-3324 Pro USB 3.2 Gen 2 NVMe Enclosure2,183$69Compare
Strivon PX-1603 Core USB 3.2 Gen 2 NVMe Enclosure2,427$79Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-7581 Prime Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/13519081 (accessed 2026-10-19).