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Small orange rectangular portable SSD with fingerprint sensor and USB-C port

UMEMORY

UMEMORY PEM100 PRO 256GB portable SSD fingerprint encrypted Type-C orange

SKU CH-BMFS-6CBZT

Fingertip-sized 256 GB portable SSD with 450 MB/s reads, fingerprint encryption and splash-proof Type-C connectivity

  • Total capacity256 GB
  • Sequential read speed458
  • Sequential write speed209
  • Interface typeType-C
  • Form factorPortable
  • NAND flash typeTLC

Color Orange

  • Fingerprint unlock protects files with biometric security
  • 458 MB/s read speed transfers large media quickly
  • Type-C port works with phones, laptops and desktops
  • 33 × 20 × 20 mm body fits on a keychain
  • Splash-proof UDP build survives wet conditions and -25 °C to 80 °C

Compact 256GB Portable SSD

The UMEMORY PEM100 PRO is a fingertip-sized external solid-state drive offering 256GB of TLC storage. It connects via a Type-C interface and delivers sequential reads up to 450MB/s and writes up to 209MB/s. A built-in fingerprint sensor provides hardware encryption with one-touch unlocking. The orange enclosure measures 33mm by 20mm by 20mm and weighs 200g.

For mobile users needing encrypted pocket storage

This drive suits smartphone photographers, travelling professionals and anyone who wants biometric security without installing software. It works with iOS, Android, Windows and macOS through the single Type-C port. Users who require sustained write performance above 209MB/s or capacities beyond 256GB should consider larger or faster alternatives.

Hardware fingerprint encryption

The defining specification is the integrated fingerprint reader that locks and unlocks the drive in a single touch. No passwords or companion apps are needed to secure the data. If biometric hardware encryption is not a priority, other portable SSDs may offer higher throughput or lower cost per gigabyte.

How it compares

Measured against everything we stock in Portable USB SSDs, at today’s prices. Recalculated every night.

Price $101.99
Cheaper than about 79% of the 410 comparable items (median $202.99).
Total capacity 256 GB
Lower than about 95% of the 311 comparable items (median 1 TB).
Price per TB $398.40 per TB
Pricier than about 92% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameUMEMORY
Total capacity256 GB
Product colorOrange
Performance
Sequential read speed458
Sequential write speed209
Storage
NAND flash typeTLC
Ports & slots
Interface typeType-C
Size & build
Form factorPortable
Overall width33 mm
Product depth20 mm
Overall height20 mm
Product weight200g
In the box
Included itemsYes

Other versions of this model

5 more in the same range

Questions about this item

Does the PEM100 PRO stay quiet and cool when I run backups all day?

The drive has no moving parts, so it runs silently. Its UDP integrated packaging and commercial-grade temperature control keep it stable from -25 °C up to 80 °C during continuous use.

What cable or port do I need on my phone or laptop to use the Type-C connector?

You need a USB Type-C port on the host device. The drive plugs straight in; no extra power adapter or driver installation is required for phones, laptops, PCs or Macs.

Will the 450 MB/s read speed be limited if I connect it to an older USB-A port with an adapter?

Yes. The 450 MB/s sequential read figure applies over the native Type-C link. An adapter to an older USB-A port will drop throughput to that port's maximum.

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