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Slim 2.5 inch portable drive with notebook style sliding cover and rhombus texture

Silicon Power

Silicon Power D30 5TB 2.5" USB 3.0 Portable Hard Drive

SKU CH-3650-5AXPY

A 5 TB portable hard drive with a notebook-style sliding cover that protects the USB 3.0 port to IPX4 water resistance

  • Capacity5TB
  • Form Factor2.5"
  • 5 TB capacity in an ultra-slim 15 mm profile
  • IPX4 water resistance guards against splashes
  • USB 3.1 Gen 1 interface enables fast file transfers
  • Rhombus-pattern surface resists scratches and fingerprints
  • Bookmark-style sliding cover protects the USB port

Stylish 5TB portable drive

The Silicon Power D30 is a 5TB portable hard drive in a 2.5 inch form factor. Its notebook-inspired design includes a sliding bookmark cover that protects the USB port when not in use. The rhombus surface pattern adds grip and resists fingerprints and scratches. It suits users who want high-capacity storage with a distinctive, functional look.

USB 3.1 Gen 1 practical limits

The drive uses a USB 3.1 Gen 1 interface, also known as USB 3.0, for fast data transfer. Real-world speeds depend on the host controller, cable quality and file types, so maximum theoretical throughput is rarely sustained. Mechanical hard-drive mechanics also limit sustained write performance compared to solid-state alternatives. Buyers needing consistently higher transfer rates should consider SSD-based portable drives.

IPX4 splash resistance decides fit

The single specification that determines suitability is the IPX4 waterproof rating, which guards against splashing water from any direction. The sliding bookmark cover must be closed over the port to maintain this protection. The drive is not rated for submersion, high-pressure jets or dust ingress. Buyers who need ruggedised protection against immersion or dusty environments should look for a higher IP-rated enclosure.

Highlights

  • 5 TB capacity in an ultra-slim 15 mm profile
  • IPX4 water resistance guards against splashes
  • USB 3.1 Gen 1 interface enables fast file transfers
  • Rhombus-pattern surface resists scratches and fingerprints
  • Bookmark-style sliding cover protects the USB port

Specifications

Capacity5TB
Form Factor2.5"

Questions about this item

Should I pick the 5 TB version or a smaller capacity?

The 5 TB model is the only capacity offered for this drive, so there is no smaller option to compare.

What does the USB 3.1 Gen 1 label mean for real transfer speeds?

It provides a 5 Gbit/s interface, so large files move at typical USB 3.0 speeds rather than the slower USB 2.0 rate.

Does the USB 3.0 connector limit the drive in any way?

The port is USB 3.1 Gen 1, which is electrically identical to USB 3.0, so performance is capped at that 5 Gbit/s link.

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