Altrix PX-4256 SE M.2 NVMe to PCIe 4.0 x4 Adapter
PCIe Cards & NVMe Enclosures · Altrix · SKU PX4256-SE · Released 2019 · Updated 2026-10-20
Key facts
| Benchmark index | 3,681 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #33,014 |
| Street price | $179 |
| Power | 6 W |
| Performance per dollar | 20.56 |
| Released | 2019 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix PX-4256 SE |
| 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 | Passive heatsink |
| Bus power | Slot-powered |
| Compatibility | UEFI boot supported; check slot bifurcation |
Related guides
Similar PCIe Cards & NVMe Enclosures
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Strivon PX-2826 Ti USB4 40Gbps NVMe Enclosure | 3,828 | $199 | Compare |
| Altrix PX-3897 Ultra PCIe 4.0 x16 Riser Cable | 1,387 | $39 | Compare |
| Strivon PX-2757 XT USB 3.2 Gen 2 NVMe Enclosure | 2,951 | $129 | Compare |
| Altrix PX-3044 Prime Dual M.2 PCIe Switch Card | 5,017 | $329 | Compare |
| Strivon PX-1372 Max USB4 40Gbps NVMe Enclosure | 5,043 | $369 | Compare |
| Altrix PX-1692 Edge PCIe 5.0 x16 Riser Cable | 3,513 | $159 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Altrix PX-4256 SE M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/435670 (accessed 2026-10-20).