Altrix PX-3688 Ultra USB4 40Gbps NVMe Enclosure
PCIe Cards & NVMe Enclosures · Altrix · SKU PX3688-ULTRA · Released 2025 · Updated 2026-10-19
Key facts
| Benchmark index | 3,257 (PCIe Cards & NVMe Enclosures scale) |
|---|---|
| Category rank | #19,992 |
| Street price | $139 |
| Power | 8 W |
| Performance per dollar | 23.43 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix PX-3688 Ultra |
| Type | USB4 40Gbps NVMe Enclosure |
| Host interface | USB4 (40Gbps), Thunderbolt 3/4 compatible |
| Throughput | Up to 3,800 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 ExplainedUSB4 ExplainedM.2 SSD Sizes and KeysPCIe Lanes ExplainedThunderbolt 5 ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Altrix PX-3688 Ultra USB4 40Gbps NVMe Enclosure”, https://vextor7.com/item/20026073 (accessed 2026-10-19).