Hardware Spec Index

Altrix PX-5521 Ultra Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX5521-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index3,042 (PCIe Cards & NVMe Enclosures scale)
Category rank#35,496
Street price$139
Power12 W
Performance per dollar21.88
Released2022

Specifications

BrandAltrix
ModelAltrix PX-5521 Ultra
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
CoolingPassive heatsink
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-2052 Edge Quad M.2 PCIe 5.0 x16 Card5,211$369Compare
Strivon PX-7408 Pro PCIe 4.0 x16 Riser Cable1,588$49Compare
Altrix PX-7435 Edge USB 3.2 Gen 2x2 NVMe Enclosure1,585$39Compare
Altrix PX-3112 Ti M.2 NVMe to PCIe 4.0 x4 Adapter2,090$79Compare
Veltrix PX-5018 Ti Dual M.2 PCIe Switch Card5,009$329Compare
Veltrix PX-9798 SE M.2 NVMe to PCIe 4.0 x4 Adapter826$19Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-5521 Ultra Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/7453 (accessed 2026-10-19).