UMM3 USB 3.0

UMM3 is aimed at users who appreciate interesting design and expect good performance. UMM3 is equipped with a modern USB 3.0 interface, which provides significant speed bump in comparison to products based on the older generation interface. Thanks to fast, up to 60 MB/s transfer speeds, you can quickly move you data.

Key features
  • Available capacities:
    16 GB 32 GB 64 GB 128 GB
  • Available colors:
  • USB 3.0 interface
  • lifetime warranty + technical support

Great transfer thanks to USB 3.0

The USB flash drive can be used both in devices equipped with a USB 3.0, port, as well as those equipped with older standards of USB ports. GOODRAM UMM3 is backwards compatible with the USB 2.0 interface, but only a host device supporting USB 3.0 will allow to fully enjoy fast transfers.

A combination of classic and modern design

The GOODRAM UMM3 housing is made of plastic with a piano black finish. The intense black color and original finish highlight the modern nature of this flash drive.

Always by your side

The classic housing of UMM3 makes it popular among the supporters of practical solutions. The practical design of GOODRAM UMM3 makes it easy to attach it to a lanyard allowing it to be used at any time.


16, 32, 64, 128 GB


USB 3.1 type A backwards compatible with USB 3.0 / 2.0 / 1.1

Speed of operation

read: up to 60 MB/s
write: up to 20 MB/s


56 x 19.1 x 9.5 mm

Weight (without packaging)

8 g

Blister dimensions

103 (width) x 123 mm (height)

Power supply

USB port

Operating temperature

0 - 70°C (recommended)

Storage temperature

-25 - 85°C (recommended)

Operating and storage humidity

5 ~ 95% (recommended)

Compatibility with operating systems

Windows 2000 SP4 and newer, MacOS 10.5.x and newer, Linux v.2.6.x and newer

Logistics data

Storage capacity for GOODRAM USB is always expressed in decimal values. That means, 1GB equals 1 000 000 000 bytes. Operating system that use the binary conversion ie. 1GB equals 1,073,741,824 bytes may show lower storage capacity value than advertised.
16GB UMM3 BLACK USB 3.016 GBUSB 3.0UMM3-0160K0R115908267920961
32GB UMM3 BLACK USB 3.032 GBUSB 3.0UMM3-0320K0R115908267920978
64GB UMM3 BLACK USB 3.064 GBUSB 3.0UMM3-0640K0R115908267920985
128GB UMM3 BLACK USB 3.0128 GBUSB 3.0UMM3-1280K0R115908267920992

GOODRAM reserves the right to change the specification at any time without prior information.

Form factor Size File
Product brochure PDF 0.3 MB
Manual PDF 1 MB
Photos ZIP 4 MB