Specifications for a portable usb 3.1 (ngff/m.2 sata) ssd enclosure:
core specifications
interface:
upstream: usb 3.1 gen 2, type-c — up to 10 gbps. backward compatible with usb 3.0/2.0 .
downstream: supports sata m.2 ngff (b‐key or b+m‐key), not nvme/pcie unless specified as dual‐protocol .
drive compatibility:
supports m.2 sata ssds in sizes 2230 / 2242 / 2260 / 2280 .
maximum drive size varies—typically up to 2–6 tb (some models support up to 6 tb) .
performance:
real-world data transfer speeds close to 540 mb/s (≈ 6 gbps sata limit) .
supports uasp and trim for better throughput and ssd longevity .
enclosure build:
usually slim, durable aluminum alloy housing for heat dissipation and portability .
tool-free or slide-open designs; many include thermal pad, screws, and cables (usb‐c usb‐a/c) .