Tessarix PX-7855 XT M.2 NVMe to PCIe 4.0 x4 Adapter
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX7855-XT · Released 2021 · Updated 2026-10-24
Key facts
| Benchmark index | 815 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #44,033 |
| Street price | $19 |
| Power | 6 W |
| Performance per dollar | 42.89 |
| Released | 2021 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-7855 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-1377 Ultra USB 3.2 Gen 2x2 NVMe Enclosure | 2,787 | $89 | Compare |
| Altrix PX-6396 XT USB4 40Gbps NVMe Enclosure | 3,155 | $119 | Compare |
| Veltrix PX-7641 Plus PCIe 4.0 x16 Riser Cable | 3,275 | $139 | Compare |
| Altrix PX-4939 XT Dual M.2 PCIe Switch Card | 5,449 | $379 | Compare |
| Altrix PX-8478 Max Dual M.2 PCIe Switch Card | 3,981 | $239 | Compare |
| Altrix PX-2607 SE Thunderbolt 5 NVMe Enclosure | 3,747 | $209 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Tessarix PX-7855 XT M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/1634097 (accessed 2026-10-24).