Tessarix PX-1691 Plus M.2 NVMe to PCIe 4.0 x4 Adapter
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX1691-PLUS · Released 2020 · Updated 2026-10-26
Key facts
| Benchmark index | 2,948 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #34,522 |
| Street price | $129 |
| Power | 6 W |
| Performance per dollar | 22.85 |
| Released | 2020 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-1691 Plus |
| 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 |
|---|---|---|---|
| Veltrix PX-4962 Pro USB 3.2 Gen 2 NVMe Enclosure | 2,731 | $109 | Compare |
| Strivon PX-3839 SE PCIe 5.0 x16 Riser Cable | 2,514 | $99 | Compare |
| Strivon PX-8622 Prime USB 3.2 Gen 2 NVMe Enclosure | 3,408 | $149 | Compare |
| Altrix PX-8761 SE Dual M.2 PCIe Switch Card | 5,077 | $299 | Compare |
| Tessarix PX-5656 XT Dual M.2 PCIe Switch Card | 3,037 | $149 | Compare |
| Altrix PX-8290 XT PCIe 5.0 x16 Riser Cable | 2,019 | $69 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Tessarix PX-1691 Plus M.2 NVMe to PCIe 4.0 x4 Adapter”, https://vextor7.com/item/32396008 (accessed 2026-10-26).