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Samsung 850 PRO 2TB SATA III 2.5 inch SSD

  • Sata 6GB/s SSD for Client PCs
  • Samsung 3D V-NAND 2bit MLC
  • Samsung Data Migration Software
  • Samsung Magician Software for SSD Management
  • 2.5 inch form factor

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Mfr part code: MZ-7KE2T0BW

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    Samsung 850 PRO 2TB SATA III 2.5 inch SSD Product Description

    Samsung 850 PRO 2TB SSD

    3D V-NAND Technology and THE SAMSUNG SSD 850 PRO    Samsung's 3D V-NAND flash memory is fabricated using an innovative vertical design. Its vertical architecture stacks cell-layers on top of one another rather than trying to decrease the cells' length and width to fit today's evershrinking form factors. This architecture results in higher density and higher performance using a smaller footprint. Samsung's 3D V-NAND technology is a breakthrough in overcoming the density limits currently faced with the conventional planar NAND architecture. 

    The Samsung SSD 850 PRO is a brand new  successor of the 840 PRO, Samsung's premium SSD product. The 850 PRO is powered by Samsung's 3D V-NAND technology. In 2013,  Samsung mass-produced 3D V-NAND products for datacenters which have already been proved in the market. And Samsung is now releasing the world's 1st 3D V-NAND SSD for client PCs. 

    Ultimate Read/Write Performance 
    Powered by Samsung's own cutting-edge 3D VNAND technology, the 850 PRO delivers up to twice the write speed than that of the traditional 2D planar NAND flash for ultimate read and write performance. By changing to the layer cylindrical cell structure, more cells can be stacked vertically, resulting in smaller footprint and higher density. As a result, you gain superior maximum read and write performance in both sequential and random aspects, especially with the 128GB model that outperforms other similar models in the market by more than 100MB/s in write speed.  

    Plus, with RAPID mode, you can boost its optional higher speeds - up to almost twice faster write performance speeds than those of the previous model. The Magician software allows you to enhance performance by processing data on a system level using free PC memory (DRAM) as a cache.  

    Enhanced Endurance and Reliability    Enhanced endurance  
    With twice the endurance of a typical NAND flash SSD, the 850 PRO will keep working as long as you use it. Samsung's 3D V-NAND technology is built to handle 150 Tera Bytes Written (TBW) for 128GB and 256GB, 300 TBW for 512GB,  1TB and 2TB. Plus, it comes with an industryleading ten-year limited warranty. 

    Advanced data encryption 
    The 850 PRO provides the same data encryption features as the 840 EVO does. The SelfEncrypting Drive (SED) security technology will help keep your data safe at all times. It includes an AES 256-bit hardware-based encryption engine to ensure that your personal files remain secure. A hardware-based encryption engine secures your data without performance degradation that you may experience with a software-based encryption. Also, the 850 PRO is compliant with advanced security management solutions (TCG Opal and IEEE 1667). Magician will guide you through "How to use security features". Furthermore, users can delete or initialize data with the crypto erase service with PSID. 

    Efficient Power Management    Less Power consumption for active and stand-by states     Even with all of the above performance improvements, the use of the new technology of 3D V-NAND have enabled us to make the 850 PRO as one of the most energy-efficient drives on the market. Its idle power is almost the same as the 840 PRO's and its active (average) write power has been dramatically reduced up to 40% due to the 3D V-NAND technology. 

    Technical Specifications 
    Samsung SSD 850 PRO 
    Usage Application  Client PCs 
    Capacity  128GB, 256GB, 512GB,1TB(1,024GB), 2TB(2,048GB) 
    Dimensions(LxWxH)  100 x 69.85 x 6.8 (mm) 
    Interface  SATA 6Gb/s (compatible with SATA 3Gb/s and SATA 1.5Gb/s) 
    Form Factor  2.5 inch 
    128GB/256GB/512GB/1TB : Samsung MEX Controller , 
    2TB: Samsung MHX controller 
    NAND Flash Memory  Samsung 3D V-NAND 2bit MLC 
    DRAM Cache Memory 256MB (128GB) or 512MB(256GB&512GB) or 1GB (1TB) LPDDR2 or 2GB (2TB) LPDDR3 

    Sequential Read:
    Max. 550 MB/s  
    Max. 520 MB/s (256GB/512GB/1TB/2TB) 
    Sequential Write:
    Max. 470 MB/s (128GB) 
    4KB Random Read (QD1): Max. 10,000 IOPS
    4KB Random Write(QD1): Max. 36,000 IOPS
    4KB Random Read(QD32): Max. 100,000 IOPS
    4KB Random Write(QD32): Max. 90,000 IOPS 

    TRIM Support  Yes (Requires OS Support) 
    Garbage Collection Yes 
    S.M.A.R.T  Yes 
    AES 256-bit Full Disk Encryption (FDE) 
    TCG/Opal V2.0, Encrypted Drive(IEEE1667) 
    Weight Max. 66g 
    Reliability  MTBF: 2 million hours 
    128/256GB : 150 Terabytes Written(TBW) 
    512GB/1TB/2TB : 300 TBW 

    Power Consumption** 
    Active Read (Average): Max. 3.3W(2TB)  
    Active Write (Average): Max. 3.4W(2TB)  
    Idle: Max. 60mW 
    Device Sleep: 5mW 

    Temperature Operating: 0°C to 70°C Non-Operating: -40°C to 85°C 
    Humidity  5% to 95%, non-condensing 
    Vibration  Non-Operating: 20~2000Hz, 20G 
    Shock Non-Operating: 1500G , duration 0.5msec, 3 axis 
    Warranty  10 years limited 

    Sequential performance measurements based on CrystalDiskMark v.3.0.1.Random performance measurements based on   Iometer 2010. Performance may vary based on SSD's firmware version, system hardware & configuration.  
    Test system configuration : Intel Core i5-2500K @ 3.3GHz, DDR3 1600MHz 4GB, OS - Windows7 Ultimate x64 SP1 IRST, MS performance guide pre-condition Intel Z68  ** Power consumption measured with IOmeter 1.1.0 version with Intel i7-4770K, Samsung DDR3 8GB, Intel® DH87RL OS- Windows7 Ultimate x64 SP1.

    Add-ons and Accessories


    £5.09 inc. vat
    £6.23save £1.14
    £4.24 ex. vat
    £5.19save £0.95
    £3.56 inc. vat
    £7.37save £3.81
    £2.96 ex. vat
    £6.14save £3.18

    Technical Specifications


    Features Hardware Full Disk Encryption (FDE), TRIM support, Garbage Collection technology, DevSleep mode, 3D V-NAND Technology, RAPID mode support, Samsung MHX Controller, Low Power DDR3 SDRAM Cache, S.M.A.R.T., 256-bit AES, IEEE 1667
    Device Type Solid state drive - internal
    Capacity 2 TB
    Hardware Encryption Yes
    Encryption Algorithm 256-bit AES
    NAND Flash Memory Type Multi-level cell (MLC)
    Form Factor 2.5"
    Interface SATA 6Gb/s
    Buffer Size 2 GB
    Width 69.85 mm
    Depth 100 mm
    Height 6.8 mm
    Weight 66 g

    Expansion & Connectivity

    Compatible Bays 1 x 2.5" - internal
    Interfaces 1 x SATA 6 Gb/s - 7 pin Serial ATA
    Compatible Bay 2.5"

    Manufacturer Warranty

    Service & Support Limited warranty - 10 years
    Service & Support Details Limited warranty - 10 years


    Power Consumption 3.3 Watt (read) ¦ 3.4 Watt (write) ¦ 60 mW (idle) ¦ 5 mW (sleep)


    SSD Endurance 300 TB
    Drive Transfer Rate 600 MBps (external)
    Internal Data Rate 550 MBps (read) / 520 MBps (write)
    Maximum 4KB Random Write 90000 IOPS
    Maximum 4KB Random Read 100000 IOPS


    MTBF 2,000,000 hours

    Software & System Requirements

    Software Included Samsung Magician Software, Samsung Data Migration

    Environmental Parameters

    Min Operating Temperature 0 °C
    Max Operating Temperature 70 °C
    Humidity Range Operating 5 - 95% (non-condensing)
    Shock Tolerance (non-operating) 1500 g @ 0.5 ms
    Vibration Tolerance (non-operating) 20 g @ 20-2000 Hz

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