Hardware Spec Index

Altrix PX-4903 Prime USB 3.2 Gen 2x2 NVMe Enclosure

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4903-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index4,905 (PCIe Cards & NVMe Enclosures scale)
Category rank#25,634
Street price$299
Power8 W
Performance per dollar16.40
Released2021

Specifications

BrandAltrix
ModelAltrix PX-4903 Prime
TypeUSB 3.2 Gen 2x2 NVMe Enclosure
Host interfaceUSB 3.2 Gen 2x2 (20Gbps), USB-C
ThroughputUp to 2,000 MB/s
Drive supportM.2 NVMe 2230 / 2242 / 2260 / 2280
CoolingAluminum shell, thermal pad
Bus powerYes (bus-powered)
CompatibilityWindows, macOS, Linux; UASP

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedUSB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Strivon PX-8636 Core Quad M.2 PCIe 4.0 x16 Card5,018$319Compare
Strivon PX-2705 XT Quad M.2 PCIe 4.0 x16 Card4,149$239Compare
Altrix PX-4202 Max M.2 NVMe to PCIe 4.0 x4 Adapter1,055$19Compare
Altrix PX-8478 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,865$49Compare
Altrix PX-3710 SE M.2 NVMe to PCIe 4.0 x4 Adapter1,692$49Compare
Veltrix PX-8455 XT PCIe 4.0 x16 Riser Cable2,308$89Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4903 Prime USB 3.2 Gen 2x2 NVMe Enclosure”, https://vextor7.com/item/22557640 (accessed 2026-10-26).