Hardware Spec Index

Altrix PX-4423 Ultra Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4423-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index4,154 (PCIe Cards & NVMe Enclosures scale)
Category rank#21,601
Street price$249
Power12 W
Performance per dollar16.68
Released2020

Specifications

BrandAltrix
ModelAltrix PX-4423 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
Strivon PX-8227 Max USB 3.2 Gen 2 NVMe Enclosure2,169$69Compare
Altrix PX-1769 Edge PCIe 5.0 x16 Riser Cable2,047$59Compare
Altrix PX-9122 XT M.2 NVMe to PCIe 4.0 x4 Adapter5,366$369Compare
Veltrix PX-6076 Ultra PCIe 5.0 x16 Riser Cable4,186$209Compare
Veltrix PX-9247 XT M.2 NVMe to PCIe 4.0 x4 Adapter1,690$49Compare
Altrix PX-7251 Prime USB 3.2 Gen 2 NVMe Enclosure2,393$99Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4423 Ultra Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/8665258 (accessed 2026-10-22).