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  • SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25
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SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25

by SanDisk
| 47 answered questions

List Price: $119.99
Price: $101.99 & FREE Shipping. Details
You Save: $18.00 (15%)
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Ships from and sold by Amazon.com. Gift-wrap available.
240GB
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12 offers from $58.00
  • Sequential Read 550MB/s; Sequential Write 500MB/s
  • SanDisk's nCache 2.0 technology delivers enhanced speed and endurance
  • NCQ support manages queue length for better multitasking and workload management
  • Limited 3-year warranty (US)
  • Sequential Read 550MB/s; Sequential Write 500MB/s
  • SanDisk's nCache 2.0 technology delivers enhanced speed and endurance
  • NCQ support manages queue length for better multitasking and workload management
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44 new from $99.95 7 used from $79.99
$101.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25 + SABRENT 2.5 to 3.5 Inches Internal Hard Disk Drive Mounting Kit (BK-HDDH) + Monoprice 18-Inch SATA III 6.0 Gbps Cable with Locking Latch and 1 x 90-Degree Plug (108783)
Price for all three: $111.53

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Capacity: 240GB
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This item: SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25
Customer Rating (592) (315) (103) (2609)
Price $ 101.99 $ 155.19 $ 109.99 $ 95.03
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Hard Disk Size 240 GB 240 GB 250 GB 240 GB
Data Transfer Rate 6 6 6 gigabits per second 6
Hardware Interface sata 3 0 gb sata 3 0 gb Information not Provided sata 3 0 gb
Optical Storage Read Speed 550 550 555 450
Optical Storage Write Speed 500 520 500 450
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Product Description

Capacity: 240GB

240GB SDSSDHII-240G-G25 SSD II

SanDisk Ultra II SSD 240GB
SanDisk Ultra II SSD 240GB
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Give Your PC a Performance Boost

The SanDisk Ultra II SSD is an easy and affordable way to upgrade and boost your PC's performance by up to 28 times (1). With this performance boost, you can enjoy no-wait boot up, shorter application load times, and quicker data transfer to make multi-tasking easy when it comes to work, entertainment, or both. In addition to cooler, quieter computing, the SanDisk Ultra II SSD adds up to 15% battery life to laptops and notebooks (2). From a global leader in flash memory storage solutions, the SanDisk Ultra II SSD can extend the life of your computer.

Designed to Protect Your Data

Housed in a durable aluminum case, the SanDisk Ultra II SSD has been engineered to resist shocks and vibrations, preserve the integrity of your data, and prevent data loss even if you drop your computer. And with S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) capabilities, the drive monitors health and performance in real time to detect potential failures and help prevent data loss.

Room for All Your Important Files

The SanDisk Ultra II SSD offers a huge storage capacity of 240 GB (3) and is great for both home and business users. Use it to store all your important files, including graphics, media, images, documents, and the apps you use every day and still have room to spare.


28 times faster performance
Built for Speed and Endurance

With performance up to 28 times faster than a typical hard drive (1), you spend less time waiting and more time working (or playing). The SanDisk Ultra II SSD delivers sustainable high performance, balancing super-fast read and write speeds with extended drive life. Thanks to a Mean Time Between Failures (MTBF) of 1.75 million hours (4), the SanDisk Ultra II can deliver years of fast, reliable performance, whether you're working with graphics-intensive applications or transferring big files at work.

Enhanced speeds
Ultra-Fast Speeds with nCache 2.0 Technology

The SanDisk Ultra II SSD contains nCache 2.0 technology, which optimizes your computing experience by balancing all-out speed with long drive life. A large, non-volatile write cache consolidates small writes to boost random write performance and the long-term data endurance of the drive. This technology from SanDisk is designed to mediate how modern-day operating systems and flash memory interoperate. The result is ultra-fast response times and seamless multitasking even in the most resource-intensive applications.

This SSD monitors and provides updates on its health status
Monitor the Health of Your SSD in Real Time

Thanks to S. M. A. R. T. (Self-Monitoring, Analysis, and Reporting Technology) capabilities, this solid state drive can detect and report on various indicators of reliability and alert you of an impending drive failure while there is still time to take action.

Energy efficient design
Extends Battery Life Up to 15 Percent (2)

Unlike traditional hard disk drives, the SanDisk Ultra II SSD has no moving parts so it runs cool and quiet even under heavy computing loads. This also means your PC uses less electricity and laptop battery life is extended up to 15 percent (2).

Multitask more efficiently
Efficient Multitasking

Upgrading your computer with the SanDisk Ultra II SSD gives your machine the speed and power to keep up with all your computing activities. And it's easy to upgrade to the SSD yourself. The generous 240 GB (3) storage capacity means you will have room for all your important photos, videos, documents, and apps.

SanDisk
Legal Disclaimers

(1) As compared to 7200 RPM SATA 2.5” hard drive. Based on published specifications and internal benchmarking tests using PCMark Vantage scores. (2) SanDisk SSD Deployment Whitepaper, 2013 (3) 1 gigabyte (GB) = 1,000,000,000 bytes. Some capacity not available for data storage. (4) Based on internal testing using Telcordia stress part testing.


Product Details

Capacity: 240GB
Product Warranty: For warranty information about this product, please click here [PDF]
  • Product Dimensions: 0.3 x 4 x 2.8 inches ; 0.6 ounces
  • Shipping Weight: 2.1 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B00M8ABEIM
  • Item model number: SDSSDHII-240G-G25
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (592 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here [PDF]
  • Date first available at Amazon.com: August 19, 2014

Customer Questions & Answers

Customer Reviews

Much faster, and keeps it cool.
Sean Jones
I have Windows 8.1 and the Boot time is less than 20 seconds and Shutdown in less than 7 seconds.
saravanan
And SanDisk now uses TLC NANDs in their Ultra II line of SSDs.
Patricia Walker

Most Helpful Customer Reviews

44 of 48 people found the following review helpful By B.J. R. on August 27, 2014
Size Name: 240GB Verified Purchase
Easy way to significantly boost speed! I used Macrium Reflect (free version) to clone the hard drive of my laptop to the SanDisk solid state drive which took about 45 minutes. Physical installation (remove back panel, remove old hard drive, install SSD) took about 2 minutes. Boot-up went from nearly 1.5 min to about 20 seconds. Overall, the process was much easier than I anticipated. To connect the new drive for cloning, I simply disassembled a usb back up hard drive (2 screws), and attached it's SATA port to the SSD. Plugged it into a USB 3.0 port, and ran Macrium.
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32 of 35 people found the following review helpful By J. Gochenouer on November 11, 2014
Size Name: 240GB Verified Purchase
Super fast. If you use their dashboard clone and a usb connection to copy onto the SSD to make it the C: drive be prepared to be patient. It took over 40 hours and the first time I tried it crashed after 36. So it took me 3 1/2 days but it's my boot drive now and I LOVE it! Very fast. If you are working with Adobe Premiere or Photoshop you won't believe the differences in speed. I had to reduce it by one star because of the cloning. They need to give us better instructions.
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21 of 22 people found the following review helpful By Nancy Loderick TOP 500 REVIEWERVINE VOICE on October 8, 2014
Size Name: 240GB Vine Customer Review of Free Product ( What's this? )
I want to begin by saying that you should only consider installing an SSD in your computer if you are comfortable opening it up and removing the existing hard drive. It is not a difficult procedure but you do have to be careful when working inside a desktop or laptop computer. It is highly recommended that you backup your data before replacing the hard drive with an SSD.

The Sandisk Ultra II SSD comes in a box that contains the SSD itself and a small installation guide. The guide directs you to the Sandisk website where you can find detailed instructions on how to install the SSD. There also are some useful videos that explain how to install the SSD. After viewing the Sandisk online installation instructions I realized I needed to purchase USB / SATA connector cable in order to clone my existing HP laptop hard drive to the new SSD. I purchased the recommended cable / software which was the Apricorn Notebook Drive Upgrade Kit. This kit includes both the cable and the EZ Gig Cloning software CD. Note: there are many other cloning software choices available that will also work well. The cable plugs into the SSD and the USB connection of your computer.

Following the instructions that came with the cloning software, I was able to clone my existing laptop hard drive and install it in about an hour. The cable I purchased uses the super fast USB 3.0 connection which made the cloning process go very quickly. Before I opened up my laptop I read the laptop user manual on how to replace the hard drive. This was very helpful and made the job go without a hitch.

After installing the SSD I downloaded the recommended Sandisk SSD Dashboard application. This application monitors the health of your Sandisk SSD and provides lots of information on how it is performing.
Read more ›
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40 of 48 people found the following review helpful By Strategos on October 8, 2014
Size Name: 240GB Vine Customer Review of Free Product ( What's this? )
As an owner of a SanDisk Extreme that I'm replacing with this drive I am perhaps a bit unique. Unlike most people who are enthusiasts or I.T. professionals, I'm not benchmarking and looking to get extreme performance numbers. My PC is an ancient Gateway 5662 that's been upgraded over and over throughout the years. It's pre-AHCI and pre-USB 3. I was ready to give up and buy a new machine right until I tried making an SSD my boot drive and got the SanDisk Extreme 120 GB. That drive literally gave my PC years more of life. This replacement...

Is literally more of the same. If you are running ACHI and getting full SATA III performance you MIGHT be able to tell the difference between an SSD and a performance SSD without being an enthusiast. If you are a person this drive was designed for (budget consumers looking to upgrade an aging piece of junk) you are going to love this drive. In my ancient rig the old SSD and new one felt exactly the same except that this one was higher capacity (my system is only capable of SATA II and IDE speeds).

It comes with no cables. It comes with no software. It DOES come with the sticky padding to make it fit in a laptop. It's bare bones and it works fine. There's free imaging software out there, but if you want to optimize this drive for use on your PC, or clone your old boot drive, the manufacturer leaves you on your own.

This drive is made from materials designed to be CHEAP, and as other websites have noted, this will adversely affect the life of the drive. Thus a 3 year warranty instead of 4 or 7. Again, if you are a budget consumer looking for a short-term speed upgrade, you wont' care about that. 3 years is half the lifespan of a normal computer.
Read more ›
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35 of 43 people found the following review helpful By Kurtis M. Kuszek on September 13, 2014
Size Name: 240GB Verified Purchase
So if you are reading this, the numbers are in. This drive arrived to replace a crucial m500 drive in my desktop. It comes in a no frills cardboard case and with no software despite what you might read elsewhere. inside the box the drive has a plastic housing and not a nice aluminum one like many other drives although it's probably being put inside a pc or plastic laptop case... so the plastic drive shell is likely the least of your concerns, although it would reduce heat dissipation.

But that's not what you're here to read about, is it?
First thing I did when opening the box was throw a smattering of benchmarks at it.
Test system is a biostar hifi amd a10 5800k with 16gb ram running windows 8.1.

AS SSD was first and received an overall score of 749 points (333R & 242WR respectively)
sequential read 499mb write 431
4k 22rd / 54wr
4k 64Trd 261rd/144wr
accesstime 0.072

This drive had a big variance in writes I suspect from the slc cache filling up. This was the highest write score while my first bench was near 230mb write seq. YMMV

This drive is fast, and it is fast for the money as a sub $100 drive...

If you are looking for something to compete with the 840 evo, I challenge it will in the value department, not raw performance. it is not as fast as the evo benchmarks I have seen by a small percentage likely in line with the $20 price premium at time of writing so performance value scales.

If you are looking for high performance the extreme II is around $60.00 more right now at time of writing and I got the ultra II as a launch sale. is it 60% more performance than the ultra II? no. Benchmarks probably put it closer to 30% from what I have found.

I used this to replace crucial m500 120gb drives. The sandisk benches 50% higher and yes there is a noticeable speed bump in feel for me.
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SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25
This item: SanDisk Ultra II 240GB SATA III 2.5-Inch 7mm Height Solid State Drive (SSD) With Read Up To 550MB/s- SDSSDHII-240G-G25
Price: $101.99
Ships from and sold by Amazon.com
Want to discover more products? Check out these pages to see more: 160gb ssd, cheap 120gb ssd