Hardware Spec Index

Veltrix PX-8581 Ultra Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Veltrix · SKU PX8581-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index4,452 (PCIe Cards & NVMe Enclosures scale)
Category rank#33,308
Street price$289
Power6 W
Performance per dollar15.40
Released2022

Specifications

BrandVeltrix
ModelVeltrix PX-8581 Ultra
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
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 ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-2372 SE USB 3.2 Gen 2 NVMe Enclosure868$19Compare
Veltrix PX-8006 Ti M.2 NVMe to PCIe 4.0 x4 Adapter2,970$149Compare
Strivon PX-4186 Prime USB 3.2 Gen 2x2 NVMe Enclosure2,237$69Compare
Veltrix PX-9116 XT Dual M.2 PCIe Switch Card3,557$209Compare
Altrix PX-9697 Edge PCIe 4.0 x16 Riser Cable2,192$69Compare
Tessarix PX-2063 Ultra Quad M.2 PCIe 5.0 x16 Card5,076$309Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Veltrix PX-8581 Ultra Dual M.2 PCIe Switch Card”, https://vextor7.com/item/98696559 (accessed 2026-10-23).