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Samsung Electronics 840 Pro Series 2.5-Inch 256 GB SATA 6GB/s Solid State Drive MZ-7PD256BW

4.2 4.2 out of 5 stars 1,352 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
Digital storage capacity 256 GB
Hard disk interface Solid State
Connectivity technology SATA
Brand Samsung
Special feature Compact
Hard disk form factor 2.5 Inches
Hard disk description Solid State Drive
Compatible devices Desktop
Installation type Internal Hard Drive
Colour Black Metallic

About this item

  • Experience PC performance you never thought possible
  • 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
  • 4th-generation 3-Core Samsung MDX Controller ensures sustained performance under the most punishing conditions
  • 100-percent genuine Samsung components from the #1 memory manufacturer in the world
  • Backed by an industry-leading five-year limited warranty
› See more product details

Product information

Warranty & Support

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Samsung Electronics 840 Pro Series 2.5-Inch 256 GB SATA 6GB/s Solid State Drive MZ-7PD256BW

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Product description

Designed for power users and the most demanding applications. the Samsung 840 PRO SSD provides unrivaled read, write and multi-tasking performance. Built for the real world, with no moving parts reducing the risk of damage from shock, while using the latest in security technology including AES 256-bit encryption. It’s ultra-efficient design means up to 50 minutes longer battery life compared to competitor SSD's and HDDs. From the world's #1 memory manufacturer, it's time to get the speeds you want and the performance you need.

Customer reviews

4.2 out of 5 stars
1,352 global ratings

Top reviews from Canada

Law Legge
5.0 out of 5 stars Fast...
Reviewed in Canada on February 7, 2014
Verified Purchase
Fastest available and very high reliability. This is now my standard SSD for all future needs. Very satisfied with this product.
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Michael
5.0 out of 5 stars Awesome
Reviewed in Canada on August 5, 2014
Verified Purchase
Kept going long after my OCZ died for no reason. Never had a problem. Easy install, great software.
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ZIQI X.
5.0 out of 5 stars great ssd
Reviewed in Canada on January 21, 2014
Verified Purchase
I use it on my Alienware, it's fast and light. If I have a new laptop, I will choose it again
One person found this helpful
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Yves Séguin
5.0 out of 5 stars Five Stars
Reviewed in Canada on October 29, 2014
Verified Purchase
Fonctionne parfaitement bien, pas de problème jusqu'à maintenant. Je le recommande.
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Nico
1.0 out of 5 stars Enough is enough, Samsung!
Reviewed in Canada on January 21, 2021
Enough is enough, Samsung.
After having suffered yet another major problem with Samsung products, I decided to submit a review.
What happened this time? (I mention the previous issues at the bottom, quickly) The SSD died completely.
In May 2013, I bought a Samsung 840 PRO SSD 256 GB. I know, it’s been a while and its warranty is expired. I admit it. But it is also true that:
• I haven’t touched the drive since 2018
• From 2015 to 2017 I only used it occasionally, as an external backup drive, so, neither ‘active’ (Operating System drive) nor ‘daily’ use since the end of 2015
• During the time I used it as main, internal system drive (2013 to 2015), I treated it with gloves in a way that NOBODY does: I set up my browsers’ cache folder AND Windows’ TEMP and TMP folders to a RamDrive, which RELIEVED THE SSD FROM THE MAIN and CONTINUOUS USE and read/write data cycles
• I bought a ‘PRO’!!!! One can spend much less to buy the EVO (cheaper) version of any Samsung SSD. I bought the PRO, paid a lot of money more (compared with the commercial EVO version), and only for 2 reasons: RELIABILITY and DEPENDABILITY. To have that peace of mind.
• It was always used in a laptop. Therefore, with the battery as a filter, it never suffered power outages.

Well, what’s the result of spending more money to buy Samsung’s PRO version of a drive? Today, after more than 2 years that I didn’t touch it, I plug it and my computer goes nuts. Without getting into the technicalities of the issue, the drive is dead, gone. I tried it on 3 different computers, 2 different operating systems, 2 different USB enclosures, and 2 different SATA ports and cables (direct SATA connection to the computer motherboard). It’s gone dead. Even the computer BIOS can’t detect its existence.

So much for buying the ‘PRO’ which, excluding the non-using time, died in about 3 years, while MUCH CHEAPER non-‘PRO’ SSDs, used more intensively than my ‘PRO’, last longer, even double this time.

What were the other lemons I got from Samsung? Here’s a very quick summary (I could write a novel in details):

SAMSUNG LAPTOP NP370R5E-S04-IT’s ISSUES:
• Fabrication defect: it overheats
• SATA III controller forced to ‘down-grade’ to SATA II mode (no product description, ads, or manual said that), with the user spending a lot of money to obtain a top-performing SATA III SSD drive, only to find out, a while after purchasing, that it was running at half its speed due to the computer BIOS forcing the SATA II mode to a perfectly SATA-III capable controller
• Defective keyboard: while typing, many keys are missed, as if you never touched them. You have to re-learn to type pressing the buttons very hard to make them work (and slowing down your typing speed by at least 40%)
• Battery swollen after a few years, to the point of breaking all the internal case supports (the new battery I installed has to float adrift in the laptop because the screwed supports are all broken)
• Defective audio mini-jack, which started working intermittently relatively soon after the purchase

SAMSUNG GALAXY TAB II:
After about 2 years from the purchase, it became super slow (unusable slow!) and the screen went nuts, becoming so hard to perceive the touches that it was almost unusable. Interestingly, the same model bought by my brother x months later (I say “x” because I don’t remember the number now, but that’s a detail, the important concept is about to come in a second), started malfunctioning (same issues) exactly x months after mine! How can I not think of a ‘programmed death’?

In conclusion, Samsung products (even TOP ones) provided very disappointing results, far from what one would expect from a serious and professional manufacturer. In my opinion, Computers and IT products are not Samsung’s cup of tea and it should stick with making TVs (I guess? / hope?? At this point…)

Thank you.

PS: your reliable ‘PRO’ drive says goodbye
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Dagnino Jean-Pierre
5.0 out of 5 stars Five Stars
Reviewed in Canada on October 8, 2015
Verified Purchase
Fonctionne parfaitement ... jusqu'ici.
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Claudius Arrivarus
1.0 out of 5 stars Rip off
Reviewed in Canada on March 1, 2014
We can get this product at any local store for much less money. Amazon should look into that, since they claim that they can offer the best prices. For many items yes, but for these ones, they are not competitive at all.
3 people found this helpful
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Top reviews from other countries

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Christopher Whitten
5.0 out of 5 stars Super fast SSD for a great price
Reviewed in the United States on August 19, 2013
Verified Purchase
I have been using my desktop for over a month now with this SSD as the main drive, and I am incredibly pleased with its performance. Keep in mind, I came straight over from primarily using HDDs for my mass storage devices, thus the difference to me was more noticeable than for someone moving between SSDs (depending on their quality, of course.) For those who are more technically inclined or interested, I will paste benchmark data for the drive's performance at the end of the review.

The design of the drive is very sleek and stylish. It boasts a smooth, polished, black exterior to house the powerful internals. You see what you expect out of an SSD: a lot of performance using a very small amount of space. I was a little bummed when I had to install it out of view as it was quite pleasant to look at.

Installation is simple just like any other SATA drive; plug it into your motherboard and power supply, and you'll be smooth sailing from there.

I'll discuss performance in terms of what's visibly noticeable, and following the conclusion, as aforementioned I will post benchmark results. From the moment I power on, to when I reach the login screen is only a span of about ten seconds or so (possibly slightly less); this is honestly a very quick process. If I didn't have a password lock, I would obviously boot into my system much quicker without having to input the keystrokes for the password. After I log in, I am instantly able to begin opening programs, and they load quickly. Anything from Firefox or Chrome, my large Steam library, or large movie files. I have not attempted to utilize any hungry video/photo editing programs, but you can rest assured that your loading times with those would be low as well. Furthermore, I play very high performing games such as Skyrim with high-res texture mods, Battlefield 3, and Anno 2070 to name a few.

When considering this SSD for purchase, keep in mind the cost per GB when thinking about what size of SSD to get. Of course, if you just want to boot your OS quickly and some important high performance programs, you are likely better off with a smaller SSD with a larger HDD to store other files. In my case, I've installed the OS, all of my programs, and games to the SSD, while having a couple of other much larger HDDs to store the large movie files, music libraries, etc. Keep in mind, I don't install all of my games simultaneously to allow more room for other purposes. I purchased this SSD during a sale, thus granting me a better value per GB of space on this 256gb drive. If budgeting is important, considering waiting for a big sale as an option. Should money not be a concern, Samsung will be releasing high performance 1TB SSDs to the market for a much higher price point, but you will be able to get HDD storage sizes with the incredible speeds of an SSD.

In summary, purchasing this SSD will not disappoint you or your wallet. You get a nicely designed product with stellar performance at a great price point, especially during a good sale. If you're coming from primarily using HDDs, you will be blown away by the colossal difference in speeds. In most cases, price will be the major deciding factor between what size of SSD to purchase. With this particular drive size, it would behoove you to consider using it in tandem with a HDD of a much larger storage capacity.

Pros:
-Amazing, noticeable performance, especially if coming from HDD usage
-Stylish design
-Great value per GB, especially if purchased during a sale

Cons:
None encountered

Bechmark:

As promised, here are the results I obtained from running CrystalDiskMark:
Sequential Read : 503.236 MB/s
Sequential Write : 478.656 MB/s
Random Read 512KB : 447.499 MB/s
Random Write 512KB : 154.937 MB/s
Random Read 4KB (QD=1) : 31.125 MB/s [ 7598.8 IOPS]
Random Write 4KB (QD=1) : 99.221 MB/s [ 24223.9 IOPS]
Random Read 4KB (QD=32) : 337.172 MB/s [ 82317.5 IOPS]
Random Write 4KB (QD=32) : 141.240 MB/s [ 34482.4 IOPS]

Finally, as a reference point, these are the specs of the system I use this SSD with:

Gigabyte Z87X-UD4H mobo
Intel i7 4770k 3.5Ghz
Coolermaster Hyper 212 Evo
Gigabyte GeForce GTX 770 4GB
Corsair Vengeance 2x4GB (8gb) 1600mhz 9-9-9-24
Samsung 840 PRO 256gb SSD(primary)
Seagate barracuda 500gb 5400rpm HDD (data storage)
Western Digital 1gb HDD (data storage)
Samsung 24x DVD drive
Corsair HX750
Coolermaster Storm Trooper
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Salva Carrasco
5.0 out of 5 stars Excel·lent producte.
Reviewed in Spain on October 2, 2014
Verified Purchase
Excel·lent producte, ha complert totes les meues expectatives, l'ordinador a guanyat en rapidesa i fiabilitat.
També cal destacar que tot arriba a ma casa promte i sense problemes.
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Erwest
5.0 out of 5 stars Una scheggia!
Reviewed in Italy on August 31, 2014
Verified Purchase
Prodotto montato su un notebook DELL - Alienware 17 (2013) con incredibile incremento di prestazioni.
Velocissimo. Per la configurazione del sistema operativo, dopo l'installazione dell'SSD, consiglio fortemente di farvi un giro per la rete (ad esempio al seguente link descrivo in dettaglio la mia esperienza: [...]

Acquistate tranquillamente.
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Muzammil Mohammad
5.0 out of 5 stars Great Update For My Macbook
Reviewed in India on June 9, 2014
Verified Purchase
I purchased this for my Macbook Pro 2011 model. Replacing SDD with HDD is quite easy, I did this is just 5 minutes. But my plan was to replace old HDD with SDD and then takeout my optical drive (CD-Rom) and replace that with old HDD. So i purchased that tray also : http://www.amazon.in/gp/product/B00HD7WBSM/ref=cm_cr_ryp_prd_ttl_sol_1 .

Replacing Optical drive was quite complicated than my expectation. But after going through some Youtube videos i get the idea how to remove this. You have to remove some extra screws for removing optical drive.

If you are looking for a new life for your Macbook, just go with this. Performance is amazing. Start / Shutdown time is around 15 seconds (that is another case usually i shut down my Macbook in a month or more). Open multiple applications without any delay. The only thing you will miss is that coloured loading logo of Mac :-)
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msgazquez
5.0 out of 5 stars Rápido y con poco consumo
Reviewed in Spain on September 11, 2014
Verified Purchase
Después de instalar este disco duro he duplicado la duración de la batería de mi portátil, además del increíble aumento de velocidad en la carga de programas.
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