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Top Page Product Line up What you can do with a Micro Vault Support

USM-L features

Click to open or close just like a ballpoint pen with a single push. This enables a simple connection to the PC and with the convenient one piece design, you don’t have to worry about losing the cap. Emboss processing makes it easy to use the device without leaving any fingerprints on the surface of the product.

The prism LED illuminates to indicate when it’s in use. This allows you to easily check the status of the data transfer so, you can use it with confidence.

* The LED indicator turns on only during the data access and remains off when there is no activity.

When a removable memory device (512 MB or more) supporting Hi-Speed USB (USB 2.0) is connected to a computer with Windows 7 / Windows Vista installed, the Windows ReadyBoost function enables any specified amount of this external memory to be added as the system cache.
This means even without expansion of memory of the computer, the use of USB flash drive can stabilize system performance and improve program switching of active applications.
Micro Vault USM-L supports Windows ReadyBoost.

The Virtual Expander*1 is originally designed for Micro Vault to automatically compress/decompress files moved to and from the device. It enables you to virtually store up to 3 times*2 as much data.


Micro Vault Virtual Expander is compatible with Windows 7, Windows Vista and Windows XP(SP1 and higher).

*2 The average compression rate and time vary by type, number and size of files.
How to Use Flash Demo

It is easy -- the device is automatically recognized by most computers when you plug it into the USB port. Power will be supplied through USB port, so you do not need an AC adaptor.


Windows Me and Windows98/98SE are not supported.

Software Download
Media capacity chart for Digital contents


Interface Hi-Speed USB (USB2.0)*1
Port type Type A USB port
Power supply USB bus power
(no external power supply)
• Computers with type A USB port and Windows OS
• Macintosh with type A USB port
Compatible OSs*2 • Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate / Starter
• Windows Vista Home Basic/Home Premium / Business / Enterprise / Ultimate / Starter
• Windows XP Professional/Home Edition,Windows 2000 Professional
• Mac OS 9.0x, 9.1x, 9.2x
• Mac OS 10.1-10.6.x
(Mac OS 10.0x is not supported)
Windows ReadyBoost Compatible
Virtual Expander
(Sony's unique file compression software)
(Virtual Expander)
Compatible OS
Windows 7,
Windows Vista and Windows XP (SP1 or later)
Capacity*3 1GB, 2GB, 4GB, 8GB, 16GB, 32GB
Operating temperature
0 to 35°C ( 32 to 95°F )
Operating humidity
10 to 90% (with no condensation)
Storage temperature
-20 to 60°C (-4 to 140°F)
Storage humidity range 10 to 90% (with no condensation)
External Dimensions Approximately
18 x 8.4 x 64.2 mm
Weight Approximately 9g
Accessories Operating Instructions
*1 To use Micro Vault in USB 2.0 high-speed mode, you need to connect the device to a computer with USB 2.0 interface, USB 2.0 card or board. Some computers or operating systems do not support USB2.0. In that case, please connect to USB1.1 interface.

Windows 7 Compatibility Chart


Micro Vault media contains a system management area. Actual usable capacity is less than the amount shown on the device. Capacity is based on 1GB = 1 billion bytes.

* For safe use, be sure to read the Operating Instructions carefully before using the device.
* Only compatible with operating systems specified.
* When using the Micro Vault with the non-PC devices, please check the host device manuals for compatibility before use.
  • Sony and Micro Vault are trademarks of SONY Corporation.
Microsoft, Windows, Windows Vista and ReadyBoost are registered trademarks or trademarks of Microsoft Corporation, in the United States and other countries.
Macintosh and Mac are trademarks of Apple Computer Inc., registered in the United States and/or other countries.
Other system names and product names that appear in this web site are registered trademarks or trademarks of their respective owners.

Operating Systems Compatibility

(USB Flash Drive)
Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate / Starter
Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate / Starter
Windows XP Professional/Home Edition
(SP1 or later)
Windows 2000 Professional -
Mac OS 9.0x, 9.1x, 9.2x -
Mac OS 10.1-10.6.x
Design and specifications are subject to change without notice.


Keep away from children.
When using Micro Vault for the first time, the device driver is automatically installed.
During installation, it is recommended to disconnect any other accessories or hubs from the computer, and quit running applications. If the Micro Vault is not recognized, the installation of the driver may not have been completed successfully.
Please note that some computers do not start up and recover from sleep mode. This is due to the BIOS settings.
Please handle the Micro Vault with care when plugging in or out of the USB port in order to avoid any damages to the USB connector and to ensure a successful recognition of the device. If the device recognition fails after several attempts, please contact our customer service center near you.
Sony Micro Vault is formatted with an exclusive software to best perform the High-Speed USB's high transfer rate. If formatted using any other software, it is possible that the performance deteriorates or that a data error happens depending on the computers or on the OS. Should any of such conditions happen, it is highly recommended to download and format the device again usingSony Micro Vault Format Software’. (Be sure to backup your files before re-formatting)

Please remove the Micro Vault from the computer before starting up/re-starting/recovering from sleep mode. Otherwise it may not function properly.

Please keep the Micro Vault away from the electronic devices such TVs and radios when in use to avoid interference.

Please clean the surface with a soft and dry cloth. Do not use or apply harsh material or chemicals when cleaning.

Please do not attach any metal pieces such as a key holder or similar objects in the strap hook.

It is highly recommended to backup files stored in the Micro Vault periodically.
Precautions for Transfer and Disposal
If data stored on the Micro Vault is deleted or reformatted using the standard methods, the data only appears to be removed on a superficial level, and it may be possible for someone to retrieve and reuse the data by means of special software.
To avoid information leaks and other problems of this sort, it is recommended that you use commercially available software designed to completely remove all data from the Micro Vault.
Features Specifications Download Caution FAQ