Hardware Spec Index

Altrix PX-4953 XT Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4953-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index5,101 (PCIe Cards & NVMe Enclosures scale)
Category rank#37,181
Street price$329
Power6 W
Performance per dollar15.50
Released2021

Specifications

BrandAltrix
ModelAltrix PX-4953 XT
TypeDual M.2 PCIe Switch Card
Host interfacePCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed)
ThroughputUp to 14,000 MB/s aggregate
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
Strivon PX-4048 XT PCIe 4.0 x16 Riser Cable1,660$39Compare
Altrix PX-3512 Prime M.2 NVMe to PCIe 4.0 x4 Adapter1,506$39Compare
Tessarix PX-7746 Ultra USB4 40Gbps NVMe Enclosure4,104$239Compare
Strivon PX-6872 Pro Quad M.2 PCIe 4.0 x16 Card3,311$169Compare
Altrix PX-4973 Edge USB4 40Gbps NVMe Enclosure3,477$149Compare
Veltrix PX-4858 Plus Quad M.2 PCIe 4.0 x16 Card5,096$309Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4953 XT Dual M.2 PCIe Switch Card”, https://vextor7.com/item/474173 (accessed 2026-10-19).