Hardware Spec Index

Altrix PX-4046 Plus Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4046-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index5,199 (PCIe Cards & NVMe Enclosures scale)
Category rank#28,368
Street price$399
Power12 W
Performance per dollar13.03
Released2020

Specifications

BrandAltrix
ModelAltrix PX-4046 Plus
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-3198 Ultra USB 3.2 Gen 2x2 NVMe Enclosure2,407$89Compare
Veltrix PX-9426 Edge M.2 NVMe to PCIe 4.0 x4 Adapter2,362$89Compare
Veltrix PX-6507 Max PCIe 4.0 x16 Riser Cable4,126$219Compare
Strivon PX-3358 Ultra Dual M.2 PCIe Switch Card4,430$299Compare
Tessarix PX-7566 Max Dual M.2 PCIe Switch Card5,540$359Compare
Veltrix PX-4923 Pro Quad M.2 PCIe 4.0 x16 Card4,039$249Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4046 Plus Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/5281019 (accessed 2026-10-23).