Hardware Spec Index

Altrix PX-3946 Pro Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX3946-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index4,370 (PCIe Cards & NVMe Enclosures scale)
Category rank#20,127
Street price$219
Power12 W
Performance per dollar19.95
Released2022

Specifications

BrandAltrix
ModelAltrix PX-3946 Pro
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
Veltrix PX-3479 Prime USB4 40Gbps NVMe Enclosure3,069$129Compare
Strivon PX-1774 Plus USB 3.2 Gen 2 NVMe Enclosure3,022$139Compare
Strivon PX-5732 Prime USB 3.2 Gen 2x2 NVMe Enclosure4,901$299Compare
Altrix PX-7210 Plus M.2 NVMe to PCIe 4.0 x4 Adapter3,447$169Compare
Veltrix PX-9131 Edge M.2 NVMe to PCIe 4.0 x4 Adapter861$19Compare
Altrix PX-5902 Ultra Dual M.2 PCIe Switch Card3,632$159Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-3946 Pro Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/5584401 (accessed 2026-10-20).