Hardware Spec Index

Altrix PX-4945 Ti Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4945-TI · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index4,898 (PCIe Cards & NVMe Enclosures scale)
Category rank#10,389
Street price$259
Power6 W
Performance per dollar18.91
Released2023

Specifications

BrandAltrix
ModelAltrix PX-4945 Ti
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
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
Altrix PX-1183 Ti Quad M.2 PCIe 4.0 x16 Card4,142$239Compare
Tessarix PX-5802 Ti Dual M.2 PCIe Switch Card4,139$279Compare
Strivon PX-7250 Ti Quad M.2 PCIe 4.0 x16 Card3,621$169Compare
Tessarix PX-2794 Core Dual M.2 PCIe Switch Card4,757$299Compare
Tessarix PX-1483 Edge Dual M.2 PCIe Switch Card5,035$279Compare
Altrix PX-1655 Plus M.2 NVMe to PCIe 4.0 x4 Adapter769$19Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4945 Ti Dual M.2 PCIe Switch Card”, https://vextor7.com/item/21493070 (accessed 2026-10-22).