Hardware Spec Index

Altrix PX-8478 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8478-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,311 (PCIe Cards & NVMe Enclosures scale)
Category rank#26,011
Street price$39
Power6 W
Performance per dollar33.62
Released2019

Specifications

BrandAltrix
ModelAltrix PX-8478 Ultra
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
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 ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Tessarix PX-3564 Pro Dual M.2 PCIe Switch Card4,203$239Compare
Tessarix PX-9760 Core USB4 40Gbps NVMe Enclosure3,072$139Compare
Strivon PX-6847 Pro M.2 NVMe to PCIe 4.0 x4 Adapter2,071$69Compare
Tessarix PX-1685 Ultra Dual M.2 PCIe Switch Card4,793$249Compare
Tessarix PX-4560 Prime M.2 NVMe to PCIe 4.0 x4 Adapter728$19Compare
Veltrix PX-8945 XT USB4 40Gbps NVMe Enclosure5,013$289Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-8478 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/31678153 (accessed 2026-10-23).