Hardware Spec Index

Altrix PX-4399 Ultra Quad M.2 PCIe 5.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4399-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index4,985 (PCIe Cards & NVMe Enclosures scale)
Category rank#36,122
Street price$309
Power12 W
Performance per dollar16.13
Released2026

Specifications

BrandAltrix
ModelAltrix PX-4399 Ultra
TypeQuad M.2 PCIe 5.0 x16 Card
Host interfacePCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~14,000 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 5.0 ExplainedUSB4 ExplainedThunderbolt 5 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Veltrix PX-1035 Core USB4 40Gbps NVMe Enclosure3,738$169Compare
Veltrix PX-3673 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,926$59Compare
Tessarix PX-5791 Core M.2 NVMe to PCIe 4.0 x4 Adapter634$19Compare
Veltrix PX-6519 Edge Quad M.2 PCIe 4.0 x16 Card5,144$309Compare
Veltrix PX-6177 Pro Dual M.2 PCIe Switch Card5,008$299Compare
Altrix PX-6380 Ultra PCIe 4.0 x16 Riser Cable2,132$69Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4399 Ultra Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/8693446 (accessed 2026-10-21).