Tessarix PX-9551 Prime Dual M.2 PCIe Switch Card
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX9551-PRIME · Released 2022 · Updated 2026-10-18
Key facts
| Benchmark index | 4,264 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #23,162 |
| Street price | $239 |
| Power | 6 W |
| Performance per dollar | 17.84 |
| Released | 2022 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-9551 Prime |
| Type | Dual M.2 PCIe Switch Card |
| Host interface | PCIe 4.0 x8 with onboard PCIe switch (no bifurcation needed) |
| Throughput | Up to 14,000 MB/s aggregate |
| 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 |
|---|---|---|---|
| Altrix PX-2905 Core Dual M.2 PCIe Switch Card | 3,543 | $189 | Compare |
| Altrix PX-4993 Edge Quad M.2 PCIe 4.0 x16 Card | 4,259 | $289 | Compare |
| Tessarix PX-9002 Pro USB4 40Gbps NVMe Enclosure | 2,860 | $119 | Compare |
| Tessarix PX-5728 XT USB4 40Gbps NVMe Enclosure | 4,447 | $269 | Compare |
| Tessarix PX-1796 Plus PCIe 5.0 x16 Riser Cable | 3,626 | $169 | Compare |
| Veltrix PX-8759 Ultra Quad M.2 PCIe 4.0 x16 Card | 4,117 | $209 | Compare |
All PCIe Cards & NVMe Enclosures · JSON
Cite this page: Hardware Spec Index, “Tessarix PX-9551 Prime Dual M.2 PCIe Switch Card”, https://vextor7.com/item/7113 (accessed 2026-10-18).