Hardware Spec Index

Altrix PX-4778 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4778-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,042 (PCIe Cards & NVMe Enclosures scale)
Category rank#32,346
Street price$59
Power6 W
Performance per dollar34.61
Released2020

Specifications

BrandAltrix
ModelAltrix PX-4778 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
CoolingHeatsink + 40 mm fan
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-4481 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter1,968$49Compare
Tessarix PX-1638 SE USB 3.2 Gen 2x2 NVMe Enclosure3,425$139Compare
Veltrix PX-6075 Ti Dual M.2 PCIe Switch Card3,860$209Compare
Tessarix PX-3962 Core M.2 NVMe to PCIe 4.0 x4 Adapter3,333$179Compare
Tessarix PX-2502 Ultra USB 3.2 Gen 2x2 NVMe Enclosure2,527$99Compare
Altrix PX-3490 SE Dual M.2 PCIe Switch Card4,526$289Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4778 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/32638752 (accessed 2026-10-24).