Hardware Spec Index

Altrix PX-4491 Core M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX4491-CORE · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,382 (PCIe Cards & NVMe Enclosures scale)
Category rank#134
Street price$39
Power6 W
Performance per dollar35.44
Released2021

Specifications

BrandAltrix
ModelAltrix PX-4491 Core
TypeM.2 NVMe to PCIe 4.0 x4 Adapter
Host interfacePCIe 4.0 x4 (passive)
ThroughputUp to 7,500 MB/s (drive-limited)
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
Strivon PX-6889 XT PCIe 4.0 x16 Riser Cable2,009$69Compare
Strivon PX-6356 Max M.2 NVMe to PCIe 4.0 x4 Adapter4,484$269Compare
Altrix PX-6254 Max Quad M.2 PCIe 4.0 x16 Card3,340$169Compare
Altrix PX-8022 Max M.2 NVMe to PCIe 4.0 x4 Adapter1,728$49Compare
Tessarix PX-6883 SE PCIe 4.0 x16 Riser Cable2,781$99Compare
Strivon PX-2423 Plus PCIe 4.0 x16 Riser Cable4,703$279Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-4491 Core M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/5789331 (accessed 2026-10-18).