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  • 250GB - Samsung 840 Series Solid State Drive (SSD) with Desktop and Notebook Installation Kit 250 sata_6_0_gb 2.5-Inch MZ-7TD250KW
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250GB - Samsung 840 Series Solid State Drive (SSD) with Desktop and Notebook Installation Kit 250 sata_6_0_gb 2.5-Inch MZ-7TD250KW

by Samsung
| 16 answered questions

Available from these sellers.
250 GB
  • Enables you to boot up your computer in as little as 15 seconds
  • Energy efficient - improves battery life by up to 50 minutes
  • Solid-state design provides greater shock protection for data and brushed metal case blocks dust and corrosion
  • Worry-free data security with AES 256-bit full-disk encryption
  • Superior multi-tasking performance with 4th-generation 3-Core Samsung MDX Controller
  • 100-percent genuine Samsung components from the #1 memory manufacturer in the world
  • Backed by a three-year limited warranty
  • Included Desktop and Notebook upgrade kit provides everything you need to install and maintain your drive
2 new from $439.89 2 refurbished from $329.99


Technical Details

Capacity: 250 GB
  • Hard Drive: 250 GB Serial ATA-150
  • Bundled Software: Automatic Backup Software Included
  See more technical details

Product Details

Capacity: 250 GB
  • Product Dimensions: 3.9 x 2.8 x 0.3 inches ; 1.9 ounces
  • Shipping Weight: 13.6 ounces
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B009NHAF5G
  • Item model number: MZ-7TD250KW
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (295 customer reviews)
  • Date first available at Amazon.com: October 9, 2012

Product Description

Capacity: 250 GB

From the Manufacturer

Upgrading your PC with a Samsung 840 SSD is an economical way to breathe new life into an aging PC. The 840 reads, writes, and multi-tasks at incredible speeds, enhancing boot-up, application loading, and multi-tasking performance. No moving parts means no hard drive spin ups, no noise, and superior data protection. This version of the 840 Series SSD has a capacity of 250 GB and comes with a complete installation kit for easy data migration and setup.

840 Series SSD

Boots up, downloads files, and performs everyday computer tasks more quickly than typical hard disk drives. View larger.

840 Series SSD840 Series SSD840 Series SSD
Fast Performance for Downloads, Gaming, and More

With Samsung's 840 Series SSD, everyday tasks on your desktop or laptop PC can become faster and smoother. This SSD provides exceptional read, write, and multitasking speeds, allowing you to run applications, quickly download graphics, play memory-intensive computer games, and access all your files with less waiting. In addition, the 840 Series SSD enables your PC to boot up in as little as 10 seconds.

Engineered for Reliability to Keep Data Secure

To ensure exceptional quality and reliability, the 840 Series SSD was designed and built completely in-house using advanced memory technology and 100-percent genuine Samsung components.

Additionally, the 840 Series SSD has no moving parts, which means no hard drive spin ups, no noise, and superior data protection. The SSD also offers AES 256-bit full disk encryption for worry-free data security.

Thin, Lightweight Design and Low Battery Consumption

At only 7 millimeters thick and weighing just 2 ounces, the 840 Series SSD has a sleek, lightweight design that can make your laptop lighter to carry.

And because it contains no moving parts and features an ultra-efficient design, the 840 consumes little battery power, letting you enjoy up to 50 minutes more laptop battery life than a standard hard disk drive (HDD) or solid state drive (SSD)*. It also supports Device Sleep mode for Microsoft Windows 8 and Haswell chipsets, which helps reduce overall power consumption.

Installation Kit for Easy Setup and Data Transfer

Included with the 840 Series SSD is an installation kit that contains SATA data and power cables, screws, a 2.5-to-3.5-inch adapter bracket, and a SATA-to-USB adapter cable. The kit also contains a mounting spacer so its slim 7-millimeter profile will work in both slim Ultrabook designs or laptops with traditional full-height 9.5-millimeter drive bays.

Samsung's Smart Data Migration software is also included to make it safe and easy to migrate your data and operating system from your existing drive to the 840 Series SSD.

Product and Warranty Information

This SSD has a usable capacity of 250 GB, offers 512 MB of Samsung DDR2 SDRAM cache memory, and has a SATA 6b/s interface that is compatible with SATA 3 Gb/s and SATA 1.5 Gb/s. It measures 7.00 by 69.85 by 100.00 millimeters (H x W x D) and weighs just 62.5 grams.

The 840 Series SSD is backed by a three year warranty.

What's in the Box

840 Series SSD, Samsung Smart Data Migration Software, Samsung SSD Magician software, manual CD, SATA data and power cables, screws, 2.5-inch-to-3.5-inch adapter bracket, SATA-to-USB adapter cable, mounting spacer, and quick user manual.

Samsung Logo
Samsung 840 Series 250 GB SSD (Full Kit)
At a Glance:
  • Boot up your PC in as little as 10 seconds
  • Allows you to breathe new life into an aging PC--enhancing boot speeds and application performance
  • Energy-efficient design for up to 50 minutes longer battery life*
  • AES 256-bit full disk encryption for ultimate data security
  • Comes with complete desktop and notebook PC installation kit
  • Three-year limited warranty
Samsung 840 Series Solid State Drives
Capacity120 GB250 GB500 GB
Drive OnlyMZ-7TD120BWMZ-7TD250BWMZ-7TD500BW
Drive and Installation Kit**MZ-7TD120KWMZ-7TD250KWMZ-7TD500KW
Type of DriveSolid State Drive (SSD)
Form Factor2.5-inch (Reduced 7mm thickness for use with ultraportables and netbooks)
For Use WithDesktop and laptop PCs (including ultraportables and netbooks)
InterfaceSATA 6Gbits/s (backwards compatible with SATA 3Gbits/s and SATA 1.5Gbits/s)
Random Read Speeds***86K IOPS96K IOPS98K IOPS
Sequential Read/Write Speeds530 MB/s / 130 MB/s540 MB/s / 250 MB/s540 MB/s / 330 MB/s
Controller3-Core Samsung MDX Controller
Type of NAND Flash2xnm Samsung Toggle DDR 2.0 NAND Flash Memory (400Mbps)
Type of Cache256MB Samsung LPDDR2 SDRAM512MB Samsung LPDDR2 SDRAM
Included SoftwareSamsung Magician 4.x, Samsung Smart Data Migration software
** Installation Kit also includes 3.5" bracket with screws, SATA data and power cables, mounting spacer, and SATA to USB adapter cable
Dimensions0.28 by 2.75 by 3.94 in. (H x W x D)
Warranty3-Year Limited

*Up to 50 minutes longer battery life versus standard HDDs and some competitor SSDs

** Installation Kit also includes 3.5" bracket with screws, SATA data and power cables, mounting spacer, and SATA to USB adapter cable

***4K Random Read (QD32)

Product Description

Upgrading your PC with a Samsung 840 SSD is the most economical way to breathe new life into an aging PC. The 840 reads, writes and multi-tasks at incredible speeds, enhancing boot-up speed, application loading and multi-tasking performance. It's more than an upgrade, it's a complete transformation of your PC.

Customer Questions & Answers

Customer Reviews

Easy to install, very fast performance..
Brett
If you are thinking about buying a new laptop, this is an upgrade well worth considering and is, IMHO, a great cost saver versus buying a whole new laptop.
Robert K. Sischka
I would like to add that I have twice tried to use the included drive cloning software in other installs without success.
Amazon Customer

Most Helpful Customer Reviews

132 of 142 people found the following review helpful By Technologist on January 4, 2013
Size Name: 250 GB
First of all, the Samsung 840 uses triple-level cell (TLC) memory vs. the multi-level cell (MLC) memory used for almost all other SSDs. So what is the difference between TLC and MLC? With TLC memory, 3 bits of information (8 possible values) are stored per cell instead of the 2 bits (4 possible values) in MLC memory. This might sound better but it also means that the cells are used more and there is less voltage fault tolerance. In the most simple terms, you can think of cells being "filled" or "emptied" by applying voltage. When 3 bits (8 possible values) of information are stored per cell, the SSD may have to apply voltage to the entire cell multiple times even though just one bit of information is encoded (depending on the bit being changed). The multiple voltage applications to each cell also slows down the write speeds and causes more wear in general.

Performance-wise, the Samsung 840 is actually worse than the previous generation Samsung 830. On the Passmark benchmarks, it is slightly lower than the OCZ Agility 4 which uses asynchronous MLC NAND flash.

Right now, the top three SSDs (best selling and best reviews) on Amazon are the OCZ Vertex 4, Samsung 830, and the Crucial M4. However, all three of these SSDs are cheaper and they perform better than the Samsung 840. Eventually, the TLC NAND should mean that the Samsung 840 will sell for less because less NAND is used. However, it is not worth it right now. To be safe, I would say that you should wait until the drive is at least 10-20% cheaper than the three drives above due to the uncertainty of how it will perform in the long run.

One puzzling thing is that I couldn't find any mean time before failure (MTBF) estimates for the 840, while the MTBF for the 20nm MLC based 840 Pro is 1.
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45 of 54 people found the following review helpful By Robert Zapata on December 14, 2012
Size Name: 250 GB Verified Purchase
First off, forget Norton Ghost. Even though the Samsung SSD Magician software provides a link to Symantec for a 30 day trial version of Norton Ghost, the trial version won't clone your old HD to the new HD. Save yourself some frustration and download time by going to the Samsung Support website and downloading the Samsung Data Migration tool. Once I downloaded and installed this excellent software tool, the cloning went quickly (2-3 hrs.) and easily. I was upgrading from a 128GB Kingston SSD with about 110GB of data on it, so your mileage my vary on the cloning times. The Samsung SSD Magician software is also powerful and easy to use. I was able to optimize my Windows settings and the SSD settings in no time to get optimal performance from the SSD. The Over Provisioning, while a little scary, went well and took up about 10% of the overall HD space, but if this extends the life and reliability of the drive it will be worth it. Overall I'm glad I bought this SSD, however I wouldn't recommend it to a non-techie friend or relative. The sparse (virtually nonexistent) documentation made the cloning process more frustrating than it had to be and I consider myself an advanced user. Minus one star for the poor documentation.
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4 of 4 people found the following review helpful By J.C., Lyons CO on November 5, 2013
Size Name: 250 GB Verified Purchase
The drive improves the computer's performance noticeably. I agree with other reviewers that the documentation is lacking, which costs it a star in the rating. However, the Samsung Data Migration program worked flawlessly. Don't bother using the Data Migration and Magician programs on the disk -- they are out-of-date. Although the programs will ask you if you want to update them after you install them, just get the latest versions from Samsung's site before you start.

My 2010 Dell XPS 8100 desktop did not come with a Windows 7 disk. I had hoped to use Windows Image Backup from an system image I had created a couple of years ago and stored on a second HD, to have a cleaner installation with the SSD. I had created a Windows 7 Repair Disk at that time for the purpose of restoration in case of a problem like HD crash. However, this method fails with an error "No disk that can be used for recovering the system disk can be found" . From what I can determine, Windows will not restore to a partition smaller than the one the image was made from. And my old HD was much larger than the SSD. There may be a work-around for this, but maybe it is not worth the bother as everything worked fine after the migration.

UPDATE: Since I usually wipe my computer clean and start over with a new factory image every few years, and I had not done so with my 4+ year old computer, I decided to do the factory restore on the old HD, and then cloned it to the SSD. Also, after your SSD is cloned from your HD, you cannot create a new Windows Image Backup file from the SSD. You get an error of "Not enough disk space . . " even thought he target drive is plenty big enough. I had to make the Windows Image backup file from the old HD.
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3 of 3 people found the following review helpful By MaltMan on January 21, 2014
Size Name: 120 GB Verified Purchase
Really disappointed that this failed on me after 10 months. I don't even know what to do now.... I hope samsung customer service helps with this...
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6 of 8 people found the following review helpful By Harold Lopez on April 2, 2013
Size Name: 250 GB Verified Purchase
The drive came in an excellent state. I could put it in my macbookpro with no problem, everything was fine. The thing is that after 2 months of using it, it started to slow down, get frozen, the apps didn't open at all so everytime I had to reboot the macbook pro thinking about it may be some OS problem. Turns out that after 3 or 4 days getting frozen the OS never started. I even had to take the drive off and plug it in some other laptop to try recover my files with no luck. I analyzed this drive with some tools like drive Genius and Disk Warrior and the tests results were that it had several damaged sectors and couldn't be fixed (how come?). I am returning this drive.
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