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ADATA Premier Pro SP900 256GB 2.5 Inch SATA III Superb Read & Write up to 545MB/s & 535MB/s Solid State Drive (ASP900S3-256GM-C)

4.6 out of 5 stars 138 customer reviews
| 18 answered questions

Was: $82.99
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256 GB
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  • High Speed, Full Capacity
  • Sequential Read/Write is 555/530 MB/S
  • maximum random 4k write speeds of 85,000 IOPS
  • Support Windows TRIM Command, accelerate data transfer performance
  • With superior NAND Flash, the Premier Pro SP900 reaches new levels of stability and performance, with a 7% increase in storage capacity over common SSDs in the market that use a SandForce controller.
  • The Premier Pro SP900 SSD adopts specially selected Flash chips from reliable manufacturers, and supports the Windows TRIM command.
  • The Windows TRIM optimization command can directly delete stored data in the Flash memory and release unused space (Free Blocks) to be used for system writes immediately.
  • This results in more accelerated transfer and write performance for solid state drives, and is also effective in slowing down efficiency decline and depletion chances, maintaining effective operation and extending the life of the disk.
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Frequently Bought Together

  • ADATA Premier Pro SP900 256GB 2.5 Inch SATA III Superb Read & Write up to 545MB/s & 535MB/s Solid State Drive (ASP900S3-256GM-C)
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Total price: $156.97
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This item: ADATA Premier Pro SP900 256GB 2.5 Inch SATA III Superb Read & Write up to 545MB/s & 535MB/s Solid State Drive (ASP900S3-256GM-C)
Customer Rating 4 out of 5 stars (138) 4 out of 5 stars (507) 5 out of 5 stars (11775) 4 out of 5 stars (252)
Price $76.99 $58.90 $90.99 $72.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com ADATA Amazon.com Amazon.com
Hard Disk Size 256 GB 240 GB 250 GB 256 GB
Data Transfer Rate 6 6 Megabytes Per Second 6 6
Hardware Interface sata 3 0 gb sata 6 0 gb sata 3 0 gb sata 3 0 gb
Optical Storage Read Speed 550 560 540 440
Optical Storage Write Speed 530 510 520 140
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Product Description

Capacity: 256 GB

The Premier Pro SP900 SSD not only boasts impressive performance numbers, but also offers a competitive price advantage to those looking to upgrade.

Product Information

Capacity:256 GB

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Hard Drive 256 GB
Brand Name ADATA
Item model number ASP900S3-256GM-C
Item Weight 5.3 ounces
Product Dimensions 5.1 x 5.4 x 1 inches
Item Dimensions L x W x H 5.12 x 5.43 x 0.98 inches
Color Black
Flash Memory Size 256

Additional Information

ASIN B007RHT4K6
Customer Reviews
4.6 out of 5 stars 138 customer reviews

4.6 out of 5 stars
Best Sellers Rank #362 in Computers & Accessories > Data Storage > Internal Solid State Drives
Shipping Weight 5.8 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available May 12, 2012

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

Size: 64 GB Verified Purchase
Good price for what I got. Unit worked perfectly and was exactly what I'd hoped it would be. The packaged imaging software is garbage so I ended up using EaseUS Todo Backup to mirror my existing C: drive onto the SSD which was an easy and flawless process. But, the SSD is what I paid for and I'm very satisfied. I only wish they were cheaper in the larger capacities
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Size: 256 GB Verified Purchase
I bought this drive to store my favourite games for faster load times and generally better performance with less hard drive bottle-necking. It shows up in Windows 7 x64 with 238GB of usable space. This SSD came with a nice mounting bracking in case your hard drive bays don't support 2.5" drives. It also came with 8 screws, which means there is twice as many screws as you would otherwise use to fully mount the drive in a bay. The drive looks and feels quite nice, and definitely feels like a premium product with a premium look.

Let's talk performance. I ran one test when the drive was empty and brand new, and another test while writing this review where the drive is about half full. I was running two test runs of a 500MB benchmark with CrystalDiskMark (3.0.3 x64). Here are the numbers:

Empty / New [ADATA]
Read [MB/s] | Write [MB/s]
Seq 490.3 263.8
512K 440.0 259.4
4K 24.34 99.58
4K QD32 124.4 229.0

Half Full / Used [ADATA]
Read [MB/s] | Write [MB/s]
Seq 484.0 264.1
512K 432.6 261.7
4K 27.53 97.97
4K QD32 141.8 229.6

For comparison, I also have a SanDisk 128GB SSD, which was $60 USD (20% higher $/GB ratio, although it was a year ago [July, 2014]). Although it got near identical sequential read speeds and somewhat kind of close sequential write speeds, the 512K random, 4K random and 4K QD32 reads and writes were immensely different. Here are that drive's numbers:

Half Full / Used [SanDisk]
Read [MB/s] | Write [MB/s]
Seq 481.5 216.1
512K 285.0 26.11
4K 18.26 13.08
4K QD32 32.41 14.32
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Size: 128 GB Verified Purchase
It just does not get any better than these. This is my second Adata SSD and I will continue to use them. The Adata tool box comes with trim command for old hold outs like me on XP and they are fast and stable. Will buy again.
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Size: 128 GB Verified Purchase
I bought this to replace an 80GB SATA hard drive on an older Gateway E4500S desktop. I was hoping to breath some new life into an older machine. I would say for the most part it has worked as I hoped for the last 2 months. This is the only drive, and runs the Windows 8.1 OS. Boot and shut down times were reduced an order of magnitude. Starting applications has also seen a nice decrease in times. I have not benchmarked this with an application, but you could easily see the difference by using a clock to see better performance.

It comes with the 3.5" adapter, which works just fine for upgrading a desktop. This saves some money from needing to buy one separately. I am not sure any other brands provide the Desktop kit like this.

If you are in the market to do something similar, I would recommend this drive. The price is great, and the performance gains are worth the small investment to keep older machines running better than they would previously. Just don't expect the speed gains you could get on a more modern systems that runs SATA III, since older PCs generally can't support those transfer rates. An added bonus is that it draws less current than an old SATA drive, and operates silently. I will be ordering another one for a retired system that will now be able to run at a reasonable rate.

I would also recommend upgrading RAM at the same time since older systems seem to be really limited here. Mine was only 512MB at the time. I updated to the 4GB maximum, and improved performance even more than with the SSD alone.
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Size: 256 GB Verified Purchase
I was not sure I would like a SSD drive for using an operating system on but it has worked very well so far in my home PC as a second drive with Windows 7 on it. I have now upgraded to Windows 10 on it. Makes no noise. None. Also it is much smaller than my regular Sata hard drive. This gives my much more room inside my computer. I will most likely buy another SSD in the future to replace my Sata hard drive. And use the Sata hard drive for an external backup device. Very pleased with it.
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Size: 128 GB Verified Purchase
Fast, quiet, reliable. I bought 2 so I could run RAID. Read and write speeds the same, storage size more than adequate for my needs. I've had this thing for some time now, they work great and never get hot and Ive got a lot of higher performing hardware tucked into a micro ATX case.
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By The Tech on January 8, 2014
Size: 128 GB Verified Purchase
great drive

pros
fast read and write speeds
works great as a boot drive
good price per GB
all the hardware you need is in the box

cons
it isn't a huge drive but it has enough room for the basics

overall good value i recommend this drive personally
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Size: 256 GB Verified Purchase
This was my first SSD and I'd never heard of ADATA before I bought this, but I took the plunge anyway. It became the boot drive of a dual bay Windows laptop and it's never had a glitch in just about a year of heavy daily use. Before I had this installed, I was using a small-ish SD card in the onboard card reader as a ReadyBoost cache to help the platter drive along. As soon as this was installed, Windows popped up and told me ReadyBoost was now disabled because the drive was too fast for the SD cache to do any good. Boot times went from about 3 minutes from cold to desktop to less than 45 seconds.
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ADATA Premier Pro SP900 256GB 2.5 Inch SATA III Superb Read & Write up to 545MB/s & 535MB/s Solid State Drive (ASP900S3-256GM-C)
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This item: ADATA Premier Pro SP900 256GB 2.5 Inch SATA III Superb Read & Write up to 545MB/s & 535MB/s Solid State Drive (ASP900S3-256GM-C)