SanDisk Ultra II

Top performance for thin notebooks and tablets.


Ultra-Portable and Ultra-Fast

Our SanDisk Ultra II mSATA SSD is designed to bring top performance to the thinnest and lightest notebooks and computing devices. Thanks to the innovations in our nCache™ 2.0 technology, SanDisk Ultra II mSATA SSD does tasks faster than a typical hard disk drive, performing up to 28 times better2.

Huge Storage Capacity, Built In

You keep lots of music, photos and videos on your PC. You also use it for socializing, shopping, banking, email and your online classes. With SanDisk Ultra II mSATA SSD, you can add enough capacity for everything you do on your computer, up to 512GB1, and still have room to spare.

Cool and Quiet

A laptop shouldn’t be a lap warmer. Battery lasts longer on a single charge2, and with no moving parts inside, your PC will run cool and quiet.

Always Know What’s Happening

With our SanDisk SSD Dashboard, you always have visibility into how your drive’s performing, what firmware updates are available, and what you can do to maintain peak performance. Additional third-party software features include:

  • Cloning software to create an exact replica of an old drive onto the new SanDisk Ultra II mSATA SSD in three easy steps with Apricorn’s EZ GIG IV
  • Antivirus protection for what consumers do most online—email, socialize, and browse --  with Trend Micro™ Titanium™ Antivirus+ 
  • Security service for reliably locating and returning stolen devices by Absolute LoJack, the leader in data protection and theft recovery
SanDisk Ultra®  II mSATA SSD SanDisk Ultra®  II mSATA SSD SanDisk Ultra®  II mSATA SSD

SanDisk Ultra® II mSATA SSD

  • Capacity: 512 GB
  • Read Speed: up to 550 MB/S
  • Write Speed: up to 500 MB/S
  • Form Factor: mSATA SSD
  • Interface: SATA Revision 3.0 (6 Gb/s)
  • Capacity: 256 GB
  • Read Speed: up to 550 MB/S
  • Write Speed: up to 500 MB/S
  • Form Factor: mSATA SSD
  • Interface: SATA Revision 3.0 (6 Gb/s)
  • Capacity: 128 GB
  • Read Speed: up to 540MB/S
  • Write Speed: up to 360MB/S
  • Form Factor: mSATA SSD
  • Interface: SATA Revision 3.0 (6 Gb/s)

Manage Your Memory with
SanDisk Software

SanDisk SSD Dashboard

The SanDisk SSD Dashboard helps users maintain peak performance of the SanDisk SSD in Windows® operating systems with a user-friendly graphical interface. The SanDisk SSD Dashboard includes tools for analysis of the disk (including the disk model, capacity, firmware version, and S.M.A.R.T. attributes) and firmware updates.


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The SanDisk Extreme Team is a group of professional photographers whose vision is as
uncompromising as their equipment with inspiring human stories from around the world.

Video Gallery

Introducing SanDisk Ultra II mSATA SSD

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At SanDisk, we believe in making memories. You might say we fill memory with life.

SanDisk Dual
USB Drive

The easy way to move files between Type-C ready smartphones and tablets and PC and Mac computers.

Available capacities1 128GB 256GB 512GB
Seq. Read(up to)4 540 MB/s 550 MB/s 550 MB/s
Seq. Write(up to)4 360 MB/s 500 MB/s 500 MB/s
Rnd. Read (up to)4 74K IOPS 92K IOPS 97K IOPS
Rnd. Write (up to)4 39K IOPS 54K IOPS 67K IOPS
Dimensions 29.85mm x 50.80mm x 3.7mm (mSATA)
Interface SATA Revision 3.0 (6 Gb/s)
Temperature5 32°F to 158°F (0°C to 70°C)
Shock5 Resistant up to 1500G
Vibration5 5 gRMS, 10-2000 HZ / 4.9 gRMS, 7-800 HZ
Power Consumption (active) 0.13w (240 GB), 0.15w (480 GB, 960 GB)
Warranty6 3-year limited warranty.
Americas SDMSATA-128G-G25 — 128GB
SDMSATA-256G-G25 — 256GB
SDMSATA-512G-G25 — 512GB
Europe/Asia-Pacific/Latin America/Middle East and Africa SDMSATA-128G-G25 — 128GB SDMSATA-256G-G25 — 256GB SDMSATA-512G-G25 — 512GB


This product is backed by a three-year limited warranty. For more information, see the Warranty and User Guide page.

Where to Buy SanDisk Worldwide

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1. 1GB=1,000,000,000 bytes. Actual user storage less.

2. As compared to 500GB portable hard drive based on internal speed performance tests.

3. As compared to 7200 RPM SATA 2.5” hard drive. Based on published specifications and internal benchmarking tests.

4. Up to stated speed. Based on internal testing; performance may be lower depending on drive capacity, host device, OS and application. 1MB=1,000,000 bytes

5. Shock resistant (up to 800G) and vibration resistant (5.35gRMS, 50-2000 HZ), Temperature (from -20°C to +70°C)

6. See the for more information



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