Hardware Spec Index

Altrix PX-1978 Plus M.2 NVMe to PCIe 4.0 x4 Adapter

PCIe Cards & NVMe Enclosures · Altrix · SKU PX1978-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,457 (PCIe Cards & NVMe Enclosures scale)
Category rank#8,650
Street price$39
Power6 W
Performance per dollar37.36
Released2025

Specifications

BrandAltrix
ModelAltrix PX-1978 Plus
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
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
Altrix PX-7449 XT USB 3.2 Gen 2 NVMe Enclosure4,431$279Compare
Strivon PX-5240 Max Quad M.2 PCIe 4.0 x16 Card4,757$299Compare
Altrix PX-5361 Prime USB 3.2 Gen 2x2 NVMe Enclosure1,788$39Compare
Tessarix PX-9421 Edge USB4 40Gbps NVMe Enclosure3,283$139Compare
Tessarix PX-6821 SE Quad M.2 PCIe 5.0 x16 Card4,678$289Compare
Veltrix PX-1863 Ultra Dual M.2 PCIe Switch Card5,322$359Compare

All PCIe Cards & NVMe Enclosures · JSON

Cite this page: Hardware Spec Index, “Altrix PX-1978 Plus M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/872915 (accessed 2026-10-23).