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Samsung 4TB 850 Evo 2.5" SATA III SSD

Model: MZ-75E4T0B/AM

Samsung Warranty
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Specifications

Packaging Info

Package Weight 0.3 lb
Box Dimensions (LxWxH) 5.7 x 5.6 x 0.8"

General Information

Sequential Read Speed Up to 540 MB/s
Sequential Write Speed Up to 520 MB/s
Memory Speed Samsung 32 layer 3D 3-bit V-NAND
RAM Not specified by manufacturer
Random Read 4 KB, QD32 Up to 98,000 IOPS 4 KB, QD1 Up to 10,000 IOPS Note performance may vary based on system hardware and configuration
Random Write 4 KB, QD32 Up to 90,000 IOPS 4 KB, QD1 Up to 40,000 IOPS Note Performance may vary based on system hardware and configuration
Controller Samsung MHX controller
TRIM Support Yes (requires OS support)
RAID Support Yes (with RAID controller)
AES Encryption AES 256-bit Encryption (Class 0), TCG/Opal, MS eDrive IEEE1667 (Encrypted drive)
Power Consumption Active Reads: 3.7 W (max) Active Writes: 4.4 W (max) Idle: 0.5 W (max) Note actual power consumption may vary depending on system hardware and configuration
Voltage 5V ± 5% Allowable voltage
Capacity 4 TB
Reliability (TBW) 150 TBW / 80 GB
Annualized Failure Rate (AFR) 0.45%
Uncorrectable Bit Error Rate 1 sector per 1017 bits read
Operating Temperature 32 to 158°F / 0 to 70° C
Humidity 5 to 95%, non-condensing
Form Factor 2.5"
Hardware Compatibility Windows 8 (32 and 64-bit), 7 (32 and 64-bit), Vista, XP, Mac OSX, and Linux
Software Compatibility Windows 8 (32 and 64-bit), 7 (32 and 64-bit), Vista (SP1 and above), XP (SP2 and above), Server 2008 (32 and 64-bit), Server 2003 (32 and 64-bit with SP2 and above)
Data Retention 1 year power-off once SSD reaches rated write endurance at 104°F / 40°C
Dimensions 3.94 x 2.75 x 0.27" / 100.08 x 69.85 x 6.86 mm
Weight 0.14 lb / 0.06 kg
Reliability (MTBF) 2 million hours
Interface SATA 6 Gb/s (compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface)
Expert Reviews
Cnet.33586669
6 July 2015
8.8/10

The Samsung 850 Evo has the best combination of performance, cost and capacity, making it the ideal drive for any home user.

  • +

    The Samsung SSD 850 Evo delivers great performance with useful features, at an affordable price. The drive is available with up to 2TB of storage space.

  • -

    The drive carries a 5-year warranty instead of the 10 years the Pro model offers. The Samsung Magician software only works with Windows.

Hothardware.34751875
8 December 2014

Performance Summary : The new Samsung SSD 850 EVO 500GB drive we tested performed extremely well throughout our battery of tests. The drive performed well with large sequential transfers and also offered very low access times.

  • +

    Strong Performance, Competitive Pricing, RAPID Mode Support

  • -

    3D V-NAND Somewhat Unproven

Nikktech.34971915
13 December 2014

After we reviewed the 850 Pro 512GB model and heard that Samsung would also send us the 850 EVO 500GB we thought that there would be a sufficient performance gap between those two to "justify" both the different target areas and the difference in price.

  • +

    Build Quality / Endurance (150TBW / 1 Million Hours MTBF), Excellent Overall Performance, Features (TurboWrite/RAPID Mode/eDrive Support), Samsung Magician Software, 5 Year Warranty, Available In 1TB

  • -

    Price (For Some)

The ssd review.33033773
12 August 2015
9.3/10

First to release 3D MLC and TLC NAND under the product name of 3D V-NAND into the consumer marketplace, Samsung is definitely flexing their muscle. Boasting a lengthened warranty of five years from the previous three, Samsung is showing their confidence in the new 850 EVO’s endurance and...

The guru of 3d.33034171
8 December 2014
8.0/10

There are only a few names in the industry that build exceptional SSDs that are affordable and very reliable these days, Toshiba, Plextor, OCZ, Micron, the latest Corsair SSDs and then there is Samsung.

Hardware heaven.34751804
8 December 2014

In terms of performance comparisons. The 850 Evo manages to edge ahead of the 840 Evo in most cases and significantly so in others, such as working with uncompressed HD video. The comparisons with other manufacturers are also favourable with the 850 Evo offering competitive results right at the high...

Anandtech.34750357
8 December 2014

The 850 EVO is yet another showcase of Samsung's engineering talent and truth to be told there is a lot of good in the 850 EVO. By combining TLC with V-NAND technology, Samsung is eliminating any and all concerns that people might have had about the endurance of TLC NAND and to back that up Samsung...

Ubergizmo.34295995
15 December 2014

Once again, Samsung delivers a great product, taking the lead in the SSD space with its advanced technology. 3D V-NAND is really a game changer. The 3rd TCL generation offers pretty much everything the consumer would want to see from an SSD, performance, high endurance, encryption, low power...

Tweak town.32834211
8 December 2014
9.7/10

Samsung's three smaller capacity 850 EVO SSDs use the new MGX controller. Chris looks at the new controller, and gives us his thoughts on the 250GB model.

Crn com.34750716
17 May 2015

Can Samsung pull off a "three-peat?" The Seoul, South Korea-based memory giant this week unveiled the 850 EVO series, its latest solid-state drives for professionals and consumers that Samsung claims will deliver unmatched performance and endurance due to its 3-bit vertical NAND stacked-cell...

User Reviews
21 November 2016
10/10

If this is for yourself, get it, You will not be disappointed. Samsung is in a class by themselves. I purchased the low end SSDs for my clients, so I can make some profits. Now I can show my clients what a little more money gets you. Fast Fast Fast...

  • +

    I have tried all the low priced SSDs. I finally purchased a Samsung. Wow is this thing fast. Boots windows 7 in 5 seconds.

  • -

    None

21 February 2016
10/10

After purchasing the 250gb Samsung 850 EVO drive for a new Laptop, I decided to upgrade the primary system drive in my aging Mac Pro 3,1 tower. While the main drive slots do not support the full read/write speed of the drive, I purchased a PCI card that allows the drive to reach full speed and act...

10 April 2017
10/10

Installed the 1TB 850 EVO as my factory hard drive was failing. Admittedly I dont really know what I'm doing here, but after gettting the proper SATA-USB3 cable the installation was fairly painless. My BIOS time is now less than 4Sec, Protools loads in probably less than 10sec.

7 November 2016
10/10

People say that ssds are 10x faster than HDDs. For some tests, yes. For gaming, no. BUT, my computer boots up in a fourth the time than my hdd, and games DO load at a minimum of twice the speed. This is for ssds in general.

  • +

    The cloning process was fantastically use friendly, and considerably fast for moving my 360 gigs of games and junk. For people who don't want secondary storage, this is the right choice.

  • -

    Only thing I would like is a way to clone FROM the ssd, if you wanted to create a backup drive. Of course this is possible via third party programs, but with the great interface of Samsung's data migration, It would have been nice.

27 January 2016
10/10

Very good experience. Of course, dealing with Windows can be a pain - this was not my boot drive; I was replacing my laptop's second drive, which I use for data. So cloning was not an issue, and I didn't need to use the software provided.

24 May 2017
10/10

I replaced my old hard drive which took forever to boot and now it boots in lightening speed. I'm very happy with this ssd.

4 November 2016
10/10

Fractal Design Define R5 Titanium Silent ATX Midtower Computer Case ASUS TUF SABERTOOTH Z170 S LGA Motherboard GIGABYTE NVIDIA GTX 770 GPU 4 GB (from previous build) EVGA SuperNOVA 750 G2 220-G2-0750-XR 80+ GOLD 750W Power Supply Intel Core i7-6700K 8M Skylake Quad-Core 4.0 GHz Desktop Processor...

  • +

    After much deliberation, I settled on this 1TB SSD after considering different combinations of SSDs and HDDs. I'm happy with my decision and ended up buying another 850 EVO (500GB) to assist in copying files from my old PC and also to provide a data backup drive on the new PC.

  • -

    None

8 July 2016
10/10

Installation is a bit tricky. It's dumb as a stump when you get it. You need to go to Disk Manager and format it before it's recognized and documentation does not tell you this I bought this drive to replace my 1TB HDD which contains all my backups and was always running out of space and taking...

Product Highlights
  • 4TB Storage Capacity
  • SATA III 6 Gb/s Interface
  • 2.5" Form Factor
  • Up to 540 MB/s Sequential Read Speed
  • Up to 520 MB/s Sequential Write Speed
  • Samsung MHX Controller
  • 256-Bit AES Encryption
  • TRIM Support
  • 3D V-NAND Technology
  • TurboWrite Technology
8.9/10
Average Expert Score
9.5/10
Average User Score
In The Box
  • Samsung 4TB 850 Evo 2.5" SATA III SSD
  • Software CD
  • Limited 5-Year / 150 TBW Manufacturer Warranty
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