Samsung 840 PRO Series MZ-7PD256BW 256 GB 2.5" Solid State Drive

SATA III, 512 MB - MPN: MZ7PD256BW
Product Details
Description
Samsung's SSD 840 PRO Series is capable of delivering up to 540MB/s and 450MB/s of sequential read and write speeds for ultra-fast file transfers—including random speeds of up to 100K IOPS for the fastest real-world performance.
Quick Glance
Interface Type SATA
Internal/External Internal
Form Factor Width 2.5"
Drive Type Solid State Drive
Expert Reviews
Samsung 2.5 inch 840 Pro Series SATA600
4.5 Star Review  testseek.com - Mar 12, 2013

Testseek.com has collected 184 expert reviews for Samsung 2.5 inch 840 Pro Series SATA600 and the average expert rating is 89 of 100. The average score reflects the expert community’s view on this product. Click below and use Testseek.com to see all ratings, product awards and conclusions.

Read the full review »

User Reviews
Great Product
5 Star Review   By Mike2F on Adorama - Nov 5, 2013   

Works as expected, fast speed installing and opening games, booting Windows 7, snappier response to other programs. 5 times faster than my 7200 rpm WD black hdd, and it can be seen. Considering buying another to make my laptop faster.

100% of readers found this review helpful.

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Awesome little Drive
5 Star Review   By RonHGeneral on Adorama - Oct 16, 2013   

This was my first ever ssd and it's so much faster than Hard Drives. My Computer boots and is ready ten seconds after I press the power button. And its so small and thin that I can fit it in the cable management room behind my motherboard tray.

100% of readers found this review helpful.

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Still a tad pricey...
5 Star Review   By fbcballer on Adorama - Oct 7, 2013   

While Samsung makes some of the best SSD's on the market, some of their products still remain a tad pricey for the performance and per GB cost. I just picked this drive up yesterday and already its made a marked improvement over my 64gb Samsung 830 SSD. I will continue to support Samsung SSD's so long as they continue to be reliable and speedy, but I really wish they would make some things a little more affordable.

0% of readers found this review helpful.

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Just the best Hard Drive that is SSD
5 Star Review   By Wacky7 on Adorama - Sep 29, 2013   

I have two of this SSD installed on to my old SATA II Foxconn Destroyer. It fast quiet and doesn't get hot it is nice and cool. It is great for with any operating system or storage. The fastest drive that you can have from a SSD.. It have 256 MB cache does have it own drive controller and the best MLC memory based and xpected lifespan is 60 yrs. Updated firmware is a must from Samsung Magician from this website. Improve speed & data protection. Going from RAID 0 with two 256GB 2.5-inch SSD 840 Pro Series. This drive got great power consumption. Great for laptop and desktop.

50% of readers found this review helpful.

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Excellent SSD drive
5 Star Review   By ChristianPhotog on Adorama - Sep 28, 2013   

This is an excellent SSD drive. It provides excellent performance for the price. It is definitely faster than other SSD models within the same price range. I am working with photos on my laptop and wanted a SSD drive to help with the performance. Now the biggest performance bottleneck is the processor (i5) and the editing software. I am so happy with this drive. It really speeds up my process of transferring the photos from my laptop to my primary computer which is backed up regularly. Incredible speed boost.

100% of readers found this review helpful.

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samsung 840 Pro 256 fast and reliable
5 Star Review   By samantha2 on Adorama - Sep 24, 2013   

Installed 840 Pro 256 in Lenovo X230 laptop running Windows 7 pro and increased boot and application speed significantly. It's been like going to a faster processor or more memory. Has lived up to all expectations thus far.

50% of readers found this review helpful.

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Best performance improvement possible for my Macbook
5 Star Review   By ChrisCAO on Adorama - Sep 20, 2013   

There isn't anything else that could be done to my Macbook to improve it's performance as much as upgrading to this HD did from the disk drive that was in it before.

0% of readers found this review helpful.

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Not too good
2 Star Review   By PhantomTech on Adorama - Jul 8, 2013   

Upon initial Win 7 install my 4K read/write speeds were 32/81MBs respectively. After just 4 days this dropped to 21/42MBs. The machine lags, program open slower, freezes and generally lackluster performance.

43% of readers found this review helpful.

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Great SSD
5 Star Review   By Demos on Adorama - Jun 8, 2013   

I did a lot of research before buying my Samsung 840 Pro and I'm glad I did. This SSD transformed my 3 year old Macbook Pro from being very sluggish to being very zippy. Well worth the time and money.

50% of readers found this review helpful.

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Best of Best
5 Star Review   By T2K on Adorama - May 21, 2013   

I would buy this product again and again

50% of readers found this review helpful.

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Today's Average: $292.08
Today's Lowest: $245.99
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Product Details
Description
Samsung's SSD 840 PRO Series is capable of delivering up to 540MB/s and 450MB/s of sequential read and write speeds for ultra-fast file transfers—including random speeds of up to 100K IOPS for the fastest real-world performance.
Quick Glance
Interface Type SATA
Internal/External Internal
Form Factor Width 2.5"
Drive Type Solid State Drive
Summary
Product Title Samsung 840 PRO Series MZ-7PD256BW 256 GB 2.5" Solid State Drive
Manufacturer Samsung
Lowest Price $239.99 from Mwave.com
Power Score 4.6 | 42 Reviews
Storage
Capacity: 256 GB
Interface
Interface Connection: Serial ATA - 7 pin
Performance
Maximum Read Transfer Rate: 540 MBps
Cache Size: 256 MB
Maximum Write Transfer Rate: 520 MBps
Dimensions
Dimensions: 3.9 x 2.8 x 0.3 in
Weight: 2.40 oz
Warranty
Warranty Information: 5 year(s)
More Info
URL: Manufacturer Link
Today's Average: $292.08
Today's Lowest: $245.99
Compare Prices
Expert Reviews
Samsung 2.5 inch 840 Pro Series SATA600
4.5 Star Review  testseek.com - Mar 12, 2013

Testseek.com has collected 184 expert reviews for Samsung 2.5 inch 840 Pro Series SATA600 and the average expert rating is 89 of 100. The average score reflects the expert community’s view on this product. Click below and use Testseek.com to see all ratings, product awards and conclusions.

Read the full review »

User Reviews
Great Product
5 Star Review   By Mike2F on Adorama - Nov 5, 2013   

Works as expected, fast speed installing and opening games, booting Windows 7, snappier response to other programs. 5 times faster than my 7200 rpm WD black hdd, and it can be seen. Considering buying another to make my laptop faster.

100% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Awesome little Drive
5 Star Review   By RonHGeneral on Adorama - Oct 16, 2013   

This was my first ever ssd and it's so much faster than Hard Drives. My Computer boots and is ready ten seconds after I press the power button. And its so small and thin that I can fit it in the cable management room behind my motherboard tray.

100% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Still a tad pricey...
5 Star Review   By fbcballer on Adorama - Oct 7, 2013   

While Samsung makes some of the best SSD's on the market, some of their products still remain a tad pricey for the performance and per GB cost. I just picked this drive up yesterday and already its made a marked improvement over my 64gb Samsung 830 SSD. I will continue to support Samsung SSD's so long as they continue to be reliable and speedy, but I really wish they would make some things a little more affordable.

0% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Just the best Hard Drive that is SSD
5 Star Review   By Wacky7 on Adorama - Sep 29, 2013   

I have two of this SSD installed on to my old SATA II Foxconn Destroyer. It fast quiet and doesn't get hot it is nice and cool. It is great for with any operating system or storage. The fastest drive that you can have from a SSD.. It have 256 MB cache does have it own drive controller and the best MLC memory based and xpected lifespan is 60 yrs. Updated firmware is a must from Samsung Magician from this website. Improve speed & data protection. Going from RAID 0 with two 256GB 2.5-inch SSD 840 Pro Series. This drive got great power consumption. Great for laptop and desktop.

50% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Excellent SSD drive
5 Star Review   By ChristianPhotog on Adorama - Sep 28, 2013   

This is an excellent SSD drive. It provides excellent performance for the price. It is definitely faster than other SSD models within the same price range. I am working with photos on my laptop and wanted a SSD drive to help with the performance. Now the biggest performance bottleneck is the processor (i5) and the editing software. I am so happy with this drive. It really speeds up my process of transferring the photos from my laptop to my primary computer which is backed up regularly. Incredible speed boost.

100% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

samsung 840 Pro 256 fast and reliable
5 Star Review   By samantha2 on Adorama - Sep 24, 2013   

Installed 840 Pro 256 in Lenovo X230 laptop running Windows 7 pro and increased boot and application speed significantly. It's been like going to a faster processor or more memory. Has lived up to all expectations thus far.

50% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Best performance improvement possible for my Macbook
5 Star Review   By ChrisCAO on Adorama - Sep 20, 2013   

There isn't anything else that could be done to my Macbook to improve it's performance as much as upgrading to this HD did from the disk drive that was in it before.

0% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Not too good
2 Star Review   By PhantomTech on Adorama - Jul 8, 2013   

Upon initial Win 7 install my 4K read/write speeds were 32/81MBs respectively. After just 4 days this dropped to 21/42MBs. The machine lags, program open slower, freezes and generally lackluster performance.

43% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Great SSD
5 Star Review   By Demos on Adorama - Jun 8, 2013   

I did a lot of research before buying my Samsung 840 Pro and I'm glad I did. This SSD transformed my 3 year old Macbook Pro from being very sluggish to being very zippy. Well worth the time and money.

50% of readers found this review helpful.

Was this review helpful to you?  Yes or No ( Report this as inappropriate )

Best of Best
5 Star Review   By T2K on Adorama - May 21, 2013   

I would buy this product again and again

50% of readers found this review helpful.

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Excellent Product
5 Star Review   By jreese on Adorama - May 21, 2013   

Drive is used for graphic arts and web design.

33% of readers found this review helpful.

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Awesome product
5 Star Review   By KurodaTsubasa on Adorama - May 21, 2013   

Awesome SSD! It's really fast! Once you use SSD, you no longer want to return back!

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Great
5 Star Review   By Civenge on Adorama - May 21, 2013   

If you can afford it, get it.

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Super Fast
4 Star Review   By atomicwprd on Adorama - May 21, 2013   

This is a very fast unit that works well. For a top end unit it would have been nice to have some more installation hardware provided. I tried to set this up with AHCI...changed the BIOS and Windows registry, but it still will not go into AHCI mode...it m

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Blazing fast.
5 Star Review   By Ectropy on Adorama - May 14, 2013   

This drive was bought for use as the boot drive for a desktop I built. With this drive, an ASRock Extreme6 motherboard, and Windows 8, I get 8 second boot times. Yes, that's right. Eight seconds flat. Programs open lightning fast, as do games. I really ha

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Best Performance and Value SSD period!
5 Star Review   By BusyEngineer on Adorama - May 8, 2013   

Samsung has the sand stability figured-out. This SSD is fast and stable. Just get one and make your laptop go supersonic. Also does a nice job in your desktop.

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Excellent speeds!!
5 Star Review   By Teckie on Adorama - Apr 25, 2013   

This is an excellent product. I come from a sandisk extreme 120gb (which by itself is excellent too) and i decided to increase the capacity of my drive because i was almost full on that one. This ssd comes highly recommended by all the hardware sites i re

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Faster than the Flash??? Maybe!
5 Star Review   By Ericb71 on Adorama - Apr 5, 2013   

I love this drive! It is so quick it's crazy. I put this drive in my laptop and it sped it up plus it extended the battery life. I have nothing bad to offer on this product. If you're thinking about getting it, do it!

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I would buy this product again!!!!!!!
5 Star Review   By frmnodak on Adorama - Mar 7, 2013   

Faster start up time and it flies through files. Video loads and plays without hickups

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Lighting fast
5 Star Review   By Spdsk8r225 on Adorama - Feb 25, 2013   

Awesome random read/write speeds. I got this with a Alienware computer recently and see an improvement in the speed of everything

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Very nice drive
5 Star Review   By Rninja on Adorama - Feb 24, 2013   

Installed this in my mom's computer I built and it works with hardly any load time.

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Fast!
5 Star Review   By Econogeeks on Adorama - Feb 20, 2013   

Way better performance than a 7200 rpm sata 3 drive.

50% of readers found this review helpful.

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Perfomance
4 Star Review   By Piroooz on Adorama - Feb 19, 2013   

Probably the best in its category, and I am sure Samsung would develop in this section.

60% of readers found this review helpful.

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Great Product
5 Star Review   By snfan on Adorama - Feb 15, 2013   

I backup everything here. Very portable. I would strongly recommend getting one to back up your files so that when needed you can access what you need anywhere.

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The best SSD in the Market
5 Star Review   By roflez on Adorama - Feb 12, 2013   

Great ssd, fast and quieter

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One of the best SSDs out there..........
5 Star Review   By Friend of Beau Parrot on Adorama - Feb 12, 2013   

REad the reviews, including in Maximum PC. Samsung makes their own controller & NAND.

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Don't hesitate, Definite Must
5 Star Review   By Bicycle Jason on Adorama - Feb 12, 2013   

Before buying, I was on a mission to get my hands on a top quality SSD. I looked up many reviews for SSD's including this ones predecessor, the Samsung 830. That drive was well known to be the best all around in terms of price vs performance. Mac users of

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Speed demon!
5 Star Review   By Bill on Adorama - Feb 5, 2013   

Did a clean Windows7 Install in 10-15 minutes. Boots in 15 seconds from on button to windows use. Windows experience went from 5.9 to 7.7 for disk performance on an old sata II PC. Quiet, no chattering disk noise.

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Samsung 840 PRO Series 256GB
5 Star Review   By Stolar on Adorama - Feb 5, 2013   

King of ssd disks. My laptop works fast like on light speed :).

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Awesome SSD
5 Star Review   By m0nstah on Adorama - Jan 30, 2013   

Just bought the Samsung SSD 840 Pro 256gb recently. The money was well spent. It is amazingly fast!

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fastest ssd on the market
5 Star Review   By blahdamon on Adorama - Jan 15, 2013   

just amazing, even on my sata 3Gb/s it still gets a 7.8 and loads faster than my last SSD.

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A very good SSD for my new computer
5 Star Review   By biglooping on Adorama - Jan 6, 2013   

I have installed it with an asus p8z77-v pro. And a new windows 8 pro 64bits. I choose it to have a fast hard drive for my PC game. And it's really fast when I launch FSX or another more recent game. Like F1 2012, Max Payne 3,... Hope it will work long ti

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HDD
5 Star Review   By PIPER314 on Adorama - Jan 3, 2013   

AWESOME SUPER FAST IN RAID...WRITING AT 1 GB/S..AND READING THE SAME

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expensive, but worth it for the performance
5 Star Review   By haversham on Adorama - Jan 1, 2013   

the 840 pro is the fastest and most efficient SSD in existence as of this writing. every review out there will back up this statement. even coming from another SSD (Crucial M4), i noticed faster performance in real-world usage. and i can only assume it wi

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Top-notch performance and stability
5 Star Review   By DarenK on Adorama - Jan 1, 2013   

The 256GB version performs with remarkable speed and stability. After almost 2 weeks of very heavy use on a fresh install of Windows 8, I've experienced no issues. Samsung's 4th-generation 3-Core MDX Controller has been and still is at the top of the heap

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Mac OS X Support?
4 Star Review   By LarrrryArrrms on Adorama - Dec 25, 2012   

It would be nice if Samsung provided firmware updates for the 840 Pro on OS X. Other than that, I'm a happy camper.

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Samsung 256GB 840 Pro
5 Star Review   By CompTech on Adorama - Dec 15, 2012   

This is my first ssd and I must say I should have purchased one a year ago. No complaints at all, it's working great!

0% of readers found this review helpful.

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Fantastic Drive
5 Star Review   By Frunobulax on Adorama - Dec 11, 2012   

Noticeably quicker than my not so old OCZ Agility. Utility software for tuning works ok. Did not use the cloning software as I've been using TerabyteUnlimited imaging software for years. One thing did amaze me: The Terabyte software doesn't run in windows

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NICE TECHNOLOGY
5 Star Review   By okeefe58 on Adorama - Dec 5, 2012   

This is my first Samsung product, really happy with it overall. Of course reviews have already praised it, benchmarked/demonstrated it's speed, It's lived up to what I've seen thus far. Hard to think of ever going back to platter drives. Years ago, (back

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Samsung 840 Pro
5 Star Review   By DooRules on Adorama - Nov 30, 2012   

Been using a couple of these for a few days now. Been flawless to date Magician software works well also. Lets you optimize ( trim ) or Secure Erase the drive.

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Awesome
5 Star Review   By aliona123 on Adorama - Nov 30, 2012   

The best SSD drive on the market. Fast, stable, works well with Windows 8.

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