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  • ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C
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ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C

by ADATA
| 7 answered questions

List Price: $477.50
Price: $216.99 & FREE Shipping. Details
You Save: $260.51 (55%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
512 GB
  • New Expanded Capacity SSD, 7% more drive space.
  • SATA 6 GB/sec SandForce 2281 controller
  • 550/530 MB per second read and write speeds
  • Up to 85,000 IOPS
  • Full Windows TRIM Support
  • 2.5-Inch to 3.5-Inch Mounting Bracket Included
10 new from $216.99
$216.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C + Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive DRW-24B1ST (Black)
Price for both: $237.58

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This item: ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C
Customer Rating (97) (13) (97) (2399)
Price $ 216.99 $ 242.35 $ 97.99 $ 202.28
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Hard Disk Size 512 GB 512 GB 256 GB 512 GB
Data Transfer Rate 6 600 6 6 gigabits per second
Hardware Interface sata 3 0 gb sata 3 0 gb sata 3 0 gb sata 3 0 gb
Optical Storage Read Speed 540 560 550 550
Optical Storage Write Speed 465 450 530 500
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Product Description

Capacity: 512 GB

The XPG (Xtreme Performance Gear) SX900 solid state drive uses new optimized firmware to utilize greater storage capacity of the NAND Flash components. With superior NAND Flash technology, the XPG SX900 SSD reaches new levels of stability and performance with expanded capacities. Utilizing the SandForce 2281 controller, the SX900 512 GB SSD boasts a 7% increase over common SSD's in the market today. A milestone in ADATA's history of NAND Flash product brought to you. With maximum sequential read and write speeds of 550/530 MB per second and maximum random 4K write speeds as high as 85,000 IOPS, the ADATA XPG SX900 SSD is poised to take its place as a market and performance leader!

Product Details

Capacity: 512 GB
  • Product Dimensions: 2.1 x 1.3 x 0.2 inches ; 2.6 ounces
  • Shipping Weight: 5.6 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: B007M7XSOE
  • Item model number: ASX900S3-512GM-C
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (97 customer reviews)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: April 4, 2012

Customer Questions & Answers

Customer Reviews

4.3 out of 5 stars

Most Helpful Customer Reviews

33 of 40 people found the following review helpful By Jeramy on November 3, 2013
Size: 256 GB Verified Purchase
Picked this drive up in February 2013, Installed the latest (at the time) windows 8 pro. Was using it in my everyday laptop for school/work. It was a really, really fast hard drive which would accomplish a full windows 8 boot combined with my intel i5 third gen and 8gb ddr3 in less than 10 seconds. I have nothing bad to say about the drive itself, it was very useful in doing photo and video editing along with allowing me to steam through everyday activities at breakneck speed. I am however sad to say that it only lasted until the second week in October 2013. A total lifespan of 7 months. If asked in July how I would rate this item, I would have easily given it 5 stars, but a dead drive is a dead drive and I should hope that a 200$ hard drive lasts me longer than pickled eggs would. I have contacted Adata with my information and I will update this review if anything gets done to help me in the meantime. I was very satisfied with the drive up until it died. I had purchased it thinking it might outlast some of the HDD's I have had in the past but unfortunately most of them are still running while this one sits dead with probably 20gb's of un-backed up data on it. I generally back up to an external, and back up my external to another off-site external once a month, guess I need to change my schedule.

Update: February 2014

Sent the drive to ADATA and they were very kind and helpful with replacing the unit as it was still covered under warranty. I must say they have very good customer service and always respond within 24/48hours on business days. However the return shipping which they were responsible for led to a lost shipment through USPS. Im still trying to resolve this with the company and I will update any progress. They have been less helpful from the point the shipment became lost but I am still trying to resolve it with them and I will certainly update this again if I get an SSD back from them like the one I sent.
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12 of 13 people found the following review helpful By Jamal on March 4, 2013
Size: 256 GB Verified Purchase
I got 2 of these Adata xpg sx900 256gb in raid 0 for my gaming rig! It is just awesome! Best drives ever!!! Can't go wrong with the price and the quality! From "starting windows" to desktop in 6 seconds!! (in raid obviously... single drive takes about 10 to 13 seconds more or less, still pretty fast!) I will upload a couple of photos with benchmarks! There's not much else to say, they are drives, they are great quality, at least 4 to 5 years will pass before a failure. 3 year warranty so, overall 100%. FYI: I read a lot of reviews and saw a lot of videos before buying them because they are my first solid state drives. It just seems Adata went for all or nothing with this drives. (Btw sorry for my english is not my native language). I almost forgot! If you have a single drive of this and your motherboard has an intel chipset, remember to put the AHCI mode so you get the best performance out of it!
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5 of 5 people found the following review helpful By Andrew Bell on January 14, 2014
Size: 512 GB Verified Purchase
Installed in an early-2011 MacBook Pro 15", replacing the stock 500gb 7200rpm drive. Installation was a breeze (with the right screwdrivers, Phillips 000 and T6).

Running 10.8.5, my cold boot time went from 2min45sec to 0min45sec. After resetting the SMC for the computer (quick keyboard combo at reboot), the cold boot time dropped from 0min45sec to 0min22sec.

Feels like I have a brand new computer.
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3 of 3 people found the following review helpful By Charles on May 4, 2014
Size: 512 GB Verified Purchase
Length: 0:49 Mins
HI ... on my Dell Optiplex 9020 SFF (i7-4770 3.4GHz) machine I have an ADATA XPG SX900 512 GB SATA III 6 GB/sec SandForce 2.5 Inch SSD (ASX900S3-512GM-C) installed as Drive C:. I cloned my original hard disk with Windows 7 Pro 64-Bit SP1 on to the SSD using Acronis TrueImage 2014.

My read/write times (especially my write times) as measured by the 2 benchmark test shown below are somewhat confusing!!!

CrystalDiskMark: 512K : Read 385MB/s : Write 168MB/s
ATTO Benchmark: 512K : Read 515MB/s : Write 412MB/s

CrystalDiskMark benchmark shows much lower write times than the Atto benchmark --- Hmmm???

Thanks ... Charles

Update 5/18/2014

Seems that when I cloned from Hard Disk to the SSD, the process did not set the SSD Partition Alignment properly : this seems to be a common problem cloning from a HD to a new SSD but is never a problem when doing a Clean Install onto an SSD.

I used these steps (see link below) to check and to fix the SSD Partition Alignment and now my CrystalDiskMark write results are greatly improved:

CrystalDiskMark: 512K : Read 394MB/s : Write 335MB/s
ATTO Benchmark: 512K : Read 530MB/s : Write 451MB/s

Check out the LINK below --- it is really educational!!!

LINK - [...]
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5 of 6 people found the following review helpful By Groovy on February 9, 2013
Size: 256 GB Verified Purchase
This is a great drive. I replaced it on 2 of my 2 MacBook Pro laptops and they are running incredibly fast. Downloaded a hard drive speed test app and it was running at full Sata II spec. Yes, i know the drive is SATA 3 but my Mac has SATA II bus.
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1 of 1 people found the following review helpful By Andrew on April 8, 2014
Size: 512 GB Verified Purchase
Drive is incredibly fast even on a SATA II connection, it literally quartered the boot time of my Mac Pro. Very impressed.
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1 of 1 people found the following review helpful By Just A Word in Mind on March 31, 2014
Size: 512 GB Verified Purchase
Since this came in, I've loved it. IT is very fast for the price and fit in my Timeline right on the money.
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1 of 1 people found the following review helpful By Robert Buchwald on February 21, 2014
Size: 512 GB Verified Purchase
I received this SSD three days ago, and cloned my laptop drive, then removed it and installed the SSD without a single issue. The system booted up the fist time as if nothing had been changed. I wasn't looking to benchmark the new drive, but just making sure there were no problems, and there were none!

So far, I'm very pleased with the performance, but if anyone from ADATA is seeing this review, please fix your terrible website! It took me 2 hours to finally register the drive on the site and download the software. The SSD Toolbox was finally downloaded and I found it to be useful, but when I clicked on the 'update firmware' button, I received the dreaded 'page not found' screen. ADATA may be a great drive, but without a good website, support from them may prove to be useless. Time will tell.
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Most Recent Customer Reviews

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ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C
This item: ADATA XPG SX900 512GB SATA III 6 GB/sec SandForce 2.5 Inch Synchronous NAND SSD ASX900S3-512GM-C
Price: $216.99
Ships from and sold by Amazon.com