Altrix PX-8551 Ultra Thunderbolt 5 NVMe Enclosure
PCIe Cards & NVMe Enclosures · Altrix · SKU PX8551-ULTRA · Released 2026 · Updated 2026-10-26
Key facts
| Benchmark index | 4,792 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #25,649 |
| Street price | $319 |
| Power | 8 W |
| Performance per dollar | 15.02 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix PX-8551 Ultra |
| Type | Thunderbolt 5 NVMe Enclosure |
| Host interface | Thunderbolt 5 (80Gbps), USB4 compatible |
| Throughput | Up to 6,000 MB/s |
| Drive support | M.2 NVMe 2230 / 2242 / 2260 / 2280 |
| Cooling | Aluminum shell, thermal pad |
| Bus power | Yes (bus-powered) |
| Compatibility | Windows, macOS, Linux; UASP |
Related guides
NVMe SSDs ExplainedThunderbolt 5 ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedUSB4 ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Altrix PX-8551 Ultra Thunderbolt 5 NVMe Enclosure”, https://vextor7.com/item/2483261 (accessed 2026-10-26).