Tessarix PX-5459 XT Quad M.2 PCIe 5.0 x16 Card
PCIe Cards & NVMe Enclosures · Tessarix · SKU PX5459-XT · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 4,815 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #33,207 |
| Street price | $349 |
| Power | 12 W |
| Performance per dollar | 13.80 |
| Released | 2025 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix PX-5459 XT |
| Type | Quad M.2 PCIe 5.0 x16 Card |
| Host interface | PCIe 5.0 x16, requires x4/x4/x4/x4 bifurcation |
| Throughput | 4× ~14,000 MB/s |
| Drive support | M.2 NVMe 2230 / 2242 / 2260 / 2280 |
| Cooling | Passive heatsink |
| Bus power | Slot-powered |
| Compatibility | UEFI boot supported; check slot bifurcation |
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Cite this page: Hardware Spec Index, “Tessarix PX-5459 XT Quad M.2 PCIe 5.0 x16 Card”, https://vextor7.com/item/6795066 (accessed 2026-10-21).