Altrix PX-9931 XT M.2 NVMe to PCIe 4.0 x4 Adapter
PCIe Cards & NVMe Enclosures · Altrix · SKU PX9931-XT · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 3,709 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #36,956 |
| Street price | $169 |
| Power | 6 W |
| Performance per dollar | 21.95 |
| Released | 2020 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix PX-9931 XT |
| Type | M.2 NVMe to PCIe 4.0 x4 Adapter |
| Host interface | PCIe 4.0 x4 (passive) |
| Throughput | Up to 7,500 MB/s (drive-limited) |
| Drive support | M.2 NVMe 2230 / 2242 / 2260 / 2280 |
| Cooling | Heatsink + 40 mm fan |
| Bus power | Slot-powered |
| Compatibility | UEFI boot supported; check slot bifurcation |
Related guides
Similar PCIe Cards & NVMe Enclosures
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix PX-8428 Pro Quad M.2 PCIe 4.0 x16 Card | 3,385 | $159 | Compare |
| Veltrix PX-2849 Max Dual M.2 PCIe Switch Card | 4,145 | $269 | Compare |
| Altrix PX-5058 SE PCIe 5.0 x16 Riser Cable | 3,405 | $159 | Compare |
| Tessarix PX-9974 Prime USB4 40Gbps NVMe Enclosure | 3,428 | $169 | Compare |
| Veltrix PX-9148 Ultra M.2 NVMe to PCIe 4.0 x4 Adapter | 5,600 | $349 | Compare |
| Tessarix PX-6770 Edge Quad M.2 PCIe 4.0 x16 Card | 2,907 | $139 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Altrix PX-9931 XT M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/8900543 (accessed 2026-10-19).