Hardware Spec Index

Altrix PX-2643 Ultra Dual M.2 PCIe Switch Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX2643-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index4,629 (PCIe Cards & NVMe Enclosures scale)
Category rank#39,744
Street price$239
Power6 W
Performance per dollar19.37
Released2023

Specifications

BrandAltrix
ModelAltrix PX-2643 Ultra
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
Veltrix PX-5288 Pro USB 3.2 Gen 2 NVMe Enclosure2,972$139Compare
Altrix PX-5459 Ti PCIe 4.0 x16 Riser Cable1,368$29Compare
Strivon PX-5459 Pro M.2 NVMe to PCIe 4.0 x4 Adapter1,879$59Compare
Strivon PX-6790 Ti Thunderbolt 5 NVMe Enclosure4,625$349Compare
Altrix PX-5608 Plus Quad M.2 PCIe 4.0 x16 Card4,766$299Compare
Strivon PX-2461 Pro USB 3.2 Gen 2x2 NVMe Enclosure3,379$159Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-2643 Ultra Dual M.2 PCIe Switch Card”, https://vextor7.com/item/4373880 (accessed 2026-10-19).