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Samsung 840 Pro Series 256GB 2.5in SATA3 Mdx Solid State Disk Flash Drive SSD

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Samsung 840 Pro SSD 256GB (MZ-7PD256BW) SATA III 6Gb/s 2.5" 7mm Samsung 840 Pro SSD 256GB (MZ-7PD256BW) SATA III 6Gb/s 2.5" 7mm $92.84 CAD Shop Now
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Product Reviews

Samsung 840 Pro Series 256GB 2.5in SATA3 Mdx Solid State Disk Flash Drive SSD
Very Good
Below Average
Rating: 9.62/10

Review Date: 02/15/14
Cons: Pricey, build quality could be better

Pros: Fast, Samsung driven (not Sandforce), long warranty, reliable?
I bought this to replace a failed Mushkin Chronos Deluxe 240, which fell victim to the disappearing SSD syndrome common to Sandforce based SSD's.The build quality of this drive is the worst of the three I have, one being the Mushkin from above, the other is an OCZ Vertex 2. The top housing of the Samsung drive is thin, but very nice looking. The bottom feels thin, hollow and cheap. The other two drives have a much more robust feel to the case overall.The SATA cable latches nicely, which was lacking on the Mushkin drive.Install and setup were fine. Speed seems really good so far.Only reliability remains to be seen. Hopefully the Samsung controller outshines Sandforce in the long run.I would give 4.5 stars for the mediocre build quality and high price if I could. Given that this drive seems to be best-in-class and has yet to disappoint otherwise, 5 stars it is. This review was modfied by poster @ 02-15-14 12:58 PM

Review Date: 01/21/14
Cons: No Mounting bracket

Pros: Super Fast, 5yr warranty, Top of the line
Got this to replace a 128GB OCZ Vertex3 drive.This SSD is much faster and has a 5yr warranty with 256GB of space.I Download the software from Samsung's site.There version of the drive copy software on there site and did not work for me (windows). so I used the Intel software (I have and old Intel drive as well)instead and it worked fine (command line on boot).

Review Date: 01/19/14
Cons: None so far

Pros: Instant speed boost, sata 3 bus too slow,Rapid Mode gives nice boost
The cost of a ssd is worth every penny and the 5 year warranty seals the deal
Mr. Rampage@NCIX

Review Date: 12/30/13
Cons: None

Pros: Fast, Stable, Looks great
Making the jump from ATA to SSD, what a world of a difference. Windows boots in 4 seconds flat. I'm looking forward to installing Linux on this to see how much faster that will take! What a difference from my old ATA.I was surprised at how light it was. No drivers or messy installation required either!

Review Date: 12/25/13
Cons: No mounting bracket, average price

Pros: Small, black, fast
I installed it and it came as advertised. I used the Samsung magic software that it with. It worked as advertised. Made all me read and writes, speeds and all those fancy numbers and letters. I likes using the software to partition the space Samsung wants you to have free for the controller. Then having the software default the rest of my settings to optimize the ssd was nice. No complaints. I am only going to wait and see how long it lasts. Oh, I do have my operating system on it, and a couple games, that's it. Movies, ect are all on different disks. One complaint. No mounting bracket. Not impressed for this price/quality. I already had an old 2.5 bracket, so good to go. Mind you my new and most new case have 2.5 bays built in. So maybe, meh?

Review Date: 12/15/13
Cons: Might be a bit costly for now.

Pros: Fast, one of the best
Just got this SSD, My previous one was one of the first gen of SSD that went out, few years ago. And I wanted to improve a bit, this SSD is one of the best, 256gb is enough for few games and OS. And faster then a 120gb. I would recommande to any who want a good SSD.

Review Date: 12/13/13
Cons: doesn't wash my dishes

Pros: fastfastand fast
I had one of these on my laptop , im also owner of ocz vertex 2 3 and 4 , I prefer Samsung SSD over any other ssd on the market

Review Date: 10/09/13
Cons: No included adapter , no thermal pads on SSD

Pros: Samsung quality , smaller in height , 2.5" form factor ,5 year warranty
There isn't really much you can describe  an SSD with. It is fast and also somewhat roomy. In this case with a 256Gb you can do an OS drive + applications + games and not run out of space depending on how much is installed.This drive is perfect as both a secondary and a primary drive and in my case it came with the latest f/w DXM05B0Q. It also comes with a 5 year warranty and is a very slim drive in height (7mm vs 9mm). However Samsung should ship these drives with an adapter for the price we pay and also consider adding thermal pads as other manufacturers do. I can understand that they don't want to add thermal pads due to the low consumption but it helps to reduce temperature and also directs heat away from the pcb.I originally considered the Vector 256Gb but if you read the reviews you will see the Vector from OCZ has high failure rates and issues even with the latest f/w.

Review Date: 09/07/13
Cons: Unless you get a deal it might get a tad expensive.

Pros: 1$/GB for a SSD is a good deal, One of the best rated SSDs out there.
Enough storage for your primary applications and games, top notch performance. Restarting windows is basically blinking twice and you're back in.

Review Date: 08/21/13
Cons: Truecrypt full disk encryption slows benchmarks a lot

Pros: Fast, reliable
I finally took the plunge and switched from hard drive to SSD. Great product, it's fast and easy to set up. Boot up times are a fraction (i.e. several times faster) than hard drive.But the magician and Crystalmark benchmarks before and after full disk encryption with Truecrypt are huge. Sequential benchmarks are rather similar but random read and writes are about 1/5 as fast when you encrypt with Truecrypt. So I decided to decrypt.

Review Date: 08/20/13
Cons: A bit pricey

Pros: Fastest SSD out there
Thanks to Samsung SSDs - the 830 was the first I bought - I've made the switch permanent to SSD and have never looked back. The 840 Pro is amazing, if you can take advantage. For most the 840 / 840 Evo will be enough esp. if the price is right. The downside is that the pro series is a bit expensive for the modest uptick in performance but hopefully prices will come down soon.

Review Date: 07/15/13
Cons: - Quality SSDs are still generally very expensive.

Pros: - Very fast SSD- Excellent quality and reliability
I still have relatively little experience with SSDs but in terms of boot speed and load speeds for applicants that you use frequently, it's the only way to go. If you can get them on sale, they're definitely worth it.

Review Date: 07/10/13
Cons: - Haven't achieved advertised read/write speeds- A lot of windows options I had to configure using an internet guide to make sure I get a good long life from my SSD.

Pros: - Best single upgrade for older PC and New- Great brand- Reliable, easy to install- Sizable storage, at 256GB (238gb usable)
So, get one of these if you don't have an SSD yet. They are really great devices. I never knew how much a single component (my HDD) could bottleneck the system.My only gripe with this unit so far, and I think it is just my older Motherboard or my ignorance to figure it out, but I only get 408 mb/s Read speeds and 244 mb/s write speeds out of the advertised 500/500. I have my 6gb/s SATA cable hooked to it, but I think it's the Marvell Drivers limiting it.All in all, get this drive on sale, you won't regret it!

Review Date: 07/06/13
Cons: -None (maybe price but really worth it)

Pros: -Best SSD I've owned (previous machine: Intel 180gb, OCZ vertex 3, Crucial M4)-Extremely quick boot times and restart with Windows 8 UEFI installation-Games are loading quickly-Beautiful looking SSD-Excellent reads and writes speed from Crystaldisk(509 mbps read / 477 mbps writes)
-Best SSD out there. Go get it !
Tareyu Eyre@NCIX

Review Date: 06/09/13
Cons: Nothing

Pros: Very Fast, loog good
It's my first SSD and the speed it's just AWESOME! 514 Mb/s Read / 497 Write Mb/s.
][' [[]] [[]] [[_@NCIX

Review Date: 06/06/13
Cons: none

Pros: Fast, reliability,
I just upgrade from a Patriot Wildfire 120GB SSD.That samsung drive is very fast.

Review Date: 04/27/13
Cons: Price

Pros: Extremely fast. Boots (using UEFI) into windows 8 in less than 5 seconds.
Is extremely fast. Assuming you are using as a boot drive make sure to force your motherboard to use UEFI mode only when installing the OS or it will install using the legacy BIOS mode and boot times will be much slower.General use is great - it will speed up your system no matter what hardware you are using. I have both the regular Samsung 840 and the Pro version, and I think the Pro series is probably worth the extra cost - it is significantly faster and comes with a much better warranty. This review was modfied by poster @ 04-27-13 08:04 AM

Review Date: 03/19/13
Cons: NONE


Review Date: 03/17/13
Cons: none

Pros: Beast Mode!! Very Fast SSD!
Shopped around before i decided on this SSD. Glad i did my research, this SSD is very fast compared to the other brands i was considering.

Review Date: 03/10/13
Cons: Doesn't come with mounting bracket.

Pros: Extremely fast, quiet, no heat.
Bought this to replace a sata2 ocz vertex that died on me twice. Was torn between this or an intel 520, but do not regret choosing the samsung 840 pro.

Review Date: 03/09/13
Cons: None

Pros: Speed and reliability
This SSD delivers as promised in the specs.I put one in my 17" MacBook Pro (Early 2011) and it screams. Blackmagic Disk Speed Test shows writes at 490 MB/s and reads at 515 MB/s. I moved my original Apple 128 GB drive to the DVD bay and it only gets 185 MB/s on writes and 210 GB/s on reads. The Samsung is SATA3 with negotiated link speed of 6 Gb. The Apple is SATA2 which negotiates at 3 Gb (although the 2nd channel on this particular MBP will handle 6 Gb).I'm now looking for another, possibly a 512 GB for my next computer. I'm very impressed with this Samsung. The last SSD's I bought were OCZ Agility 3 and Vertex 2. It's impressive to see the performance improvements as well as the reduced cost/GB as this technology matures.

Review Date: 03/08/13
Cons: - Pricier than the competition

Pros: - Holy Crap! It's FAAAST- Very thin design compared to similar SSDs on the market- Uses a 3-core Processor in its controller chip for impressive iOPS performance.- Top Performance Trading blows with the OCZ Vector Lineup of SSDs
Very satisfied with this purchase. Upgraded from two 60GB OCZ Vertex 2 SSDs in RAID0 and the Samsung drive easily outperforms them. Very impressed :)

Review Date: 02/28/13
Cons: Software CD is useless (read summary for more info)

Pros: Blazing speed,Good price,Easy install,Generous 5 Year Warranty,slim packaging
Installed windows 7...Boot up Time is Quick to say the least,CrystalDiskmark says 495mb/sec Read Seq & write 460mb/sec/Samsung Magician Build in Benchmark software says 554mb/sec Read & Write 525mb/sec...About the CD being Useless,i decided to Look at the Samsung Site on Product information & their is a newer,better looking updated version of Samsung Magician 4.0 Vs the one that comes on CD that is V3.1..so it's pretty much a waste of time popping the cd in...& go for this brand,it has a 5 year warranty vs 3 of the competition,that's plenty of time & ease of mind if anything goes wrong..

Review Date: 02/20/13
Cons: Doesn't sprinkle pixie dust when you shake it

Pros: its just a tad bigger than a postage stamp . Makes the computer fly. Imagine that my POST time is longer than the whole bootup and login.
better and faster than any HDD. Just the right storage capacity to run 64bit windows. Also has the better MLC and not TLC which I'm told, lasts longer.

Review Date: 02/12/13
Cons: none

Pros: very fast and small
I bought this ssd based upon good reviews and got the advertised speeds
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Product Features

2.5" Form Factor Internal

Samsung 840 Pro Series MZ-7PD256BW 256GB Solid State Drive
Provide a secure and reliable storage solution for your PC with the Samsung 840 Pro Series MZ-7PD256BW 256GB Solid State Drive. This amazing 2.5" solid state drive comes with a large 256GB storage capacity for saving tons of your important files, downloads, documents, applications, and many more. It also ensures a fast and steady connection with the PC thanks to its high-performance SATA III interface, along with impressive read and write speeds of up to 540 MB/sec and 520 MB/sec respectively. Buy the Samsung 840 Pro Series MZ-7PD256BW 256GB Solid State Drive right away!

What It Is And Why You Need It:

  • 2.5" form factor; fits in almost any kind of computer
  • 256GB storage capacity; provides ample space for saving your data
  • SATA III interface; ensures ultra-fast data transfer rates

Product Specifications

Series840 Pro Series
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Memory ComponentsMLC
InterfaceSATA III
ControllerSamsung MDX Controller
Sustained Sequential Read540 MB/s
Sustained Sequential Write520 MB/s
4KB Random ReadUp to 100,000 IOPS
4KB Random WriteUp to 90,000 IOPS
MTBF1,500,000 hours
FeaturesTrim Support
RAID Support
AES Encryption
Power Consumption (Idle)0.054W
Power Consumption (Active)0.069W
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