Samsung 850 PRO Series SATA 2.5" Solid State Drive

256 GB, ideal for hardcore PC gamers, heavy PC users and business professionals

By Samsung

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Description & Features+

The 256GB 2.5" SSD 850 Pro from Samsung is an internal drive that offers storage space for Windows and Mac systems. This SSD features 32 layer 3D V-NAND technology that offers twice the speed and density of traditional SSDs. This feature provides up to 100K IOPS random read speed and 90K random write speeds. Sequential read and writes are up to 550 MB/s and 520 MB/s. This SSD can also offer higher speeds by enabling RAPID mode. Besides offering performance, the SSD 850 Pro uses 50% less power than traditional hard drives and supports device sleep mode that uses only 2mW.
• 256 GB capacity
• Sequential read up to 550 MB/s
• Sequential write up to 520 MB/s
• Random read up to 100,000 IOPS
• Random write up to 90,000 IOPS
• 3D V-NAND flash
• 256-bit AES encryption
• RAPID mode
• Windows and Mac compatible


Assembled Depth (in.)
5.6 in
Assembled Length (in.)
0.8 in
Assembled Weight (lbs.)
0.27 lb
Assembled Width (in.)
5.6 in
Operating System Compatibility
Not Applicable
Product Identifiers
Walmart Item #
Model #

From the Manufacturer +

Ratings & Reviews+

Samsung 850 PRO Series SATA 2.5" Solid State Drive is rated 4.9 out of 5 by 130.
Rated 5 out of 5 by from Own many SSDs. This is the best 1. Games - When it comes to gaming, having an SSD dramatically decreased load times for most newer games. Old games are not really affected due to how little data most of them need to load from the hard drive in today's standards. The biggest improvement came with Star Citizen. SC is still in super alpha, so nothing is optimized and load times are outrageous. Were outrageous. It used to take me nearly 2 minutes to load into hangar, now with the 850 pro, its less than 30 seconds. Other games such as Planetside 2, Mad Max, Homeworld etc have also vastly improved loading times. And its not just load times that are improved. In some games such as GTA San Andreas you can move into a new area faster than the hard drive can load things like building textures and pedestrians. The SSD solves this, no more do things just pop into existence beside you. Skyrim also has a bit of this problem too if you use a mod to give you a fast ride. Overall in the gaming department, this is really where the SSD shines to me. 2. System and Software - Windows startup time is also another area that shines brightly with an SSD. Traditional hard drive takes 1 minute or more to boot, sometimes 45 seconds if you got a good drive and a fresh install of windows. With the 850 pro, my fully loaded Windows 10 Pro OS can boot up in 22 seconds. That's with no password and such. 22 seconds from power button to mouse moving on desktop. The system tray icons at the bottom right of the desktop used to take 2 or 3 minutes for all of them to load up after arriving to the desktop, now with the 850 pro they all pop up simultaneously and instantly. My web browser, Firefox, used to take about 2 or 3 seconds to load up after clicking, now before my ear can even register the second click of the mouse, the browser is fully loaded and ready to go. I have also noticed greatly increased performance in Microsoft office programs, especially excel and power point. Then came the real software test. WinRar. As a winrar test i packed up 10 GB of music to test speeds. It took less than a minute to package up (compress) the 10 GB using the Best compression method, where as on a traditional hard drive your looking at 30 to 45 minutes of waiting maybe even more since i used the best method. Unpackaging (decompression) was instantaneous at the click of the mouse. Every thing i do is like a flash of light. 3. Music and Movies - Not much to say here other than transfer speeds are high, but i wouldn't keep music or movies on an SSD, they don't play better or sound better, but they do take up limited space and put wear and tear on the drive. Best to leave them on the traditional hard drive. 4. Benchmark - I have included a screenshot of the benchmarking program i used to test this hard drive. As you can see all test results exceed the specifications of this hard drive. I could to many different tests using many different settings but i stuck with the default and most used one. Construction - The SSD's construction is very nice. It is very strong and solid, but also very light almost like paper. It is very smooth and slim and should fit nearly anywhere you want to put it. Also the sata and power connectors are stiff and strong. Software - The samsung magician software that is paired with the hard drive is also very nice. It shows the health and total data written to the hard drive, can change windows options to better suit the SSD and its needs, encryption, the works. The only thing is that Rapid Mode does not work for windows 10 yet but Samsung says they are working hard on it, it has something to do with the new way windows 10 manages memory. Conclusion - Overall, this is the greatest hard drive Ive ever seen. Its super fast, super strong, has great software, and is backed up by a monster 10 year warranty. I looked forward to many years of extreme gaming with this SSD. I would highly haft to recommend this SSD to everyone. It is a truly great product made by a great company from a great nation. You wont be disappointed with this SSD.
Date published: 2016-09-27
Rated 5 out of 5 by from Quick and Smooth This drive was a breeze to install windows 10 64 bit professional on it without any troubles. everything runs faster do not settle for the basic get the Pro! You get a 10 year warranty and there is a different in speed, do not let your local shop tell you that higher quality Drives don't make any difference because I have bench tested both and the Pro exceeded my expectations.
Date published: 2015-12-24
Rated 5 out of 5 by from Top of line for a Reason This SSD is a beast. The magician software has some bugs with windows 10, but other than that this SSD is a s good as all the reviews claim. I only wish I had brought a larger one.
Date published: 2015-11-02
Rated 5 out of 5 by from Evo Pro 512gb. Might be the best SSD you will ever buy. My MacBook Pro Mid 2012 became SUPER fast after installing it! A MUST BUY if you are looking for speed.
Date published: 2017-06-02
Rated 5 out of 5 by from Great Product Works great so far. I have not owned very long but it seems to be real fast. Easy to set up. Love it so far.
Date published: 2017-05-05
Rated 5 out of 5 by from Excellent Rebootable design Just replaced my original hdd and it like day and night difference in speed. It booted fast and run fast.
Date published: 2016-12-08
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