IRDM UHS-I U3 CARD brings high performance and reliability for everyone who wants to shoot 4K and slow motion videos or shoot high quality JPEG and RAW pictures in fast burst modes.

Key features
  • Available capacities:
    64 GB 128 GB
  • UHS-I U3 interface
  • Up to 100 MB/s transfer speed
  • V30 Video Speed Class
  • Perfect for 4K video processing
  • Extreme durability
  • Lifetime warranty

Experience high speed

Read speed up to 100 MB/s and write speed up to 70 MB/s delivers productivity for people who want to capture every moment in high quality and store it for many years.

Wide range of use

Rated UHS-I Speed Class 3 (U3) and Video Speed Class 60 (V60), the IRDM card lets you capture the perfect moment in wide range of applications, no matter if it’s professional camera, drone or other high-end device.

Nonstop action

IRDM memory cards are based on the UHS-I interface with U3 speed, to provide maximum performance, no matter if you read or write data. V30 video speed class (VSC) guarantees a minimum sustained write speed of 30 MB/s.

Lifetime warranty & endurance

The IRDM memory cards features – shock-proof, water and X-ray resistant – making them a great product for everyone who is working in extreme conditions. IRDM memory card can operate in temperatures between -25°C and 85°C and store data between -40°C and 85°C. As a proof of great durability and reliability all memory cards are covered by the lifetime warranty.


64, 128 GB

Card standard


Max. transfer

read: up to 100 MB/s
write: up to 70 MB/s

Card dimensions

24.0 x 32.0 x 2.1 mm

Interface speed


Video Class Standard


Operating temperature

-25 to +85°C (recommended)

Storage temperature

-40 to +85°C (recommended)

Logistics data

Storage capacity for GOODRAM memory cards and 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.
64 GB CARD V30 (UHS I U3) 100/40 MB/s IRDM GOODRAM64 GBCardIR-S3A0-0640R125908267911914
128 GB CARD V30 (UHS I U3) 100/70 MB/s IRDM GOODRAM128 GBCardIR-S3A0-1280R125908267911921

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

Form factor Size File
Product brochure PDF 0.1 MB
Manual PDF 1 MB
Photos ZIP 7 MB