Hardware Spec Index

Altrix PX-8643 XT Quad M.2 PCIe 4.0 x16 Card

PCIe Cards & NVMe Enclosures · Altrix · SKU PX8643-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,110 (PCIe Cards & NVMe Enclosures scale)
Category rank#40,891
Street price$79
Power12 W
Performance per dollar26.71
Released2020

Specifications

BrandAltrix
ModelAltrix PX-8643 XT
TypeQuad M.2 PCIe 4.0 x16 Card
Host interfacePCIe 4.0 x16, requires x4/x4/x4/x4 bifurcation
Throughput4× ~7,000 MB/s
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 ExplainedPCIe 4.0 vs PCIe 5.0USB4 ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained

Similar PCIe Cards & NVMe Enclosures

ModelBenchmarkPriceCompare
Altrix PX-8294 Max USB 3.2 Gen 2 NVMe Enclosure1,387$39Compare
Veltrix PX-8666 Pro USB 3.2 Gen 2 NVMe Enclosure2,496$79Compare
Veltrix PX-8609 Prime USB 3.2 Gen 2x2 NVMe Enclosure3,059$149Compare
Altrix PX-7464 Core M.2 NVMe to PCIe 4.0 x4 Adapter2,484$89Compare
Altrix PX-8481 Max USB 3.2 Gen 2 NVMe Enclosure2,983$109Compare
Veltrix PX-2139 Plus Quad M.2 PCIe 4.0 x16 Card4,566$299Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-8643 XT Quad M.2 PCIe 4.0 x16 Card”, https://vextor7.com/item/897184 (accessed 2026-10-25).