Sony Memory Stick® 4GB PRO Duo™ Mark 2

Reliable digital storage media

Item #: 158T4GTQMN

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The Memory Stick PRO Duo™ Mark 2 media card provides reliable storage for high-resolution video and still photos recorded on compatible Handycam® camcorders and Cyber-shot® digital cameras. The fast transfer speed is perfect for high-def AVCHD video.

Product Highlights:

  • 4GB memory capacity
  • Mark 2 designation ensures reliable constant throughput for high-resolution stills and video
  • some memory required for system management
  • SDMI-compliant MagicGate™ encryption technology
  • recover damaged or deleted photos and videos with File Rescue — download the free software from Sony
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

  • 4 GB Memory Stick PRO Duo Mark2

Product Research


Overview: The Sony MS-MT-series Memory Stick PRO Duo Mark2 memory card lets you save your digital pictures and video clips from compatible Sony Alpha-series DSLRs, NEX-series interchangeable lens cameras, Cyber-shot digital still cameras, and Handycam digital camcorders. The Mark2 designation indicates the card is suitable for use for AVCHD format video recording, providing the appropriate minimum write speed.

Compatibility: This Memory Stick PRO Duo Mark2 memory card will work only with Memory Stick PRO Duo Mark2 and Memory Stick PRO Duo compatible devices. If the instruction manual included with your Memory Stick device does not mention Memory Stick PRO Duo Mark2 or Memory Stick PRO Duo compatibility, this memory card should not be used. It is also compatible with the MagicGate copyright protection system.

Capacity: The capacity of this Memory Stick PRO Duo Mark2 is 4 GB. Because a portion of the card capacity is used for system files, the actual usable capacity is approximately 3.66 GB. The approximate recording capability of this card is 590 high-resolution photos, 1 hour 30 minutes of Full HD video (LP Mode), or 15 minutes of Full HD video (PS Mode).

Note: Still Image recording capability based on using a Cyber-shot digital still camera in 18 MP setting. Video recording capability based on a Handycam digital camcorder in AVCHD LP (5 Mbps) and PS (28 Mbps) modes.

Transfer Speed: Memory Stick PRO Duo Mark2 can transfer data at much higher speeds compared to standard Memory Sticks. When used in Memory Stick PRO-HG compatible devices, this Memory Stick PRO Duo Mark2 has a minimum write speed of 32 MB/s, based on Sony internal testing.

MagicGate: This Memory Stick PRO Duo Mark2 employs MagicGate encryption technology in order to protect copyrights. It enables you to enjoy your own recordings as well as prevents unauthorized use.

Downloadable Software: This Memory Stick offers two types of downloadable software. The software is available at

  • File Rescue: Sony's Memory Card File Rescue software can help you recover files that have been accidentally or unintentionally destroyed or deleted. The software now supports RAW image and MOV files, in addition to 3D movies and photos, and full HD 60p video.
  • x-Pict Story: The x-Pict Story for Memory Card software lets you create distinctive photo presentations with unique layouts that are synced to effects and music.


  • Memory Type: flash memory
  • Operating Voltage: 2.7V to 3.6V
  • Operating Environment: -13° to +185° F
  • Mass: approximately 2 grams (0.07 oz)

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