Hardware Spec Index

Altrix PX-5557 Prime Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX5557-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index3,861 (PCIe Cards & NVMe Enclosures scale)
Category rank#32,138
Street price$209
Power12 W
Performance per dollar18.47
Released2021

Specifications

BrandAltrix
ModelAltrix PX-5557 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-1380 Edge Quad M.2 PCIe 4.0 x16 Card4,232$249Compare
Veltrix PX-5689 Pro PCIe 4.0 x16 Riser Cable673$19Compare
Tessarix PX-4489 Pro M.2 NVMe to PCIe 4.0 x4 Adapter4,166$239Compare
Veltrix PX-6428 Core USB 3.2 Gen 2 NVMe Enclosure3,389$149Compare
Tessarix PX-2149 Max Quad M.2 PCIe 4.0 x16 Card3,160$159Compare
Tessarix PX-7554 Plus Quad M.2 PCIe 4.0 x16 Card5,032$339Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-5557 Prime Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/54554265 (accessed 2026-10-25).