£139.98 inc. vat

£159.46save £19.48

£116.65 ex. vat

£132.88save £16.23

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Samsung 256GB 840 Pro Series SSD

  • Sequential Read Speed: Up to 540MB/s
  • Sequential Write Speed: Up to 520MB/s
  • 5 Year Manufacturer Warranty

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QuickFind: 410474

Manufacturer ID: MZ-7PD256BW

Samsung 256GB 840 Pro Series SSD Product Description

Unrivaled Performance
Samsung's SSD 840 PRO Series is a high-performance SSD, capable of delivering up to 100,000 IOPS Random Read Speed and 540MB/s Sequential Read Speed-an SSD of unrivaled high performance. Built with an advanced MDX controller, Samsung's SSD delivers high speeds regardless of data type, unlike competing controllers that greatly favor compressible data.
Superior Reliability
As the world's #1 DRAM, NAND Flash, and SSD supplier; Samsung SSDs are designed and built completely in-house. The Samsung SSD 840 Series is optimized for exceptional, sustained performance and unrivaled reliability through its specially-engineered wear-leveling and garbage collection algorithms backed by a generous 5-year limited warranty.
Performance Sustainability
The Samsung SSD 840 PRO Series provides the same excellent performance throughout its entire lifetime even under extremely heavy workloads. In fact, the sophisticated MDX controller is capable of maintaining peak performances under punishing conditions for more than twice as long the nearest competitor.
Business Friendly Features
The 840 SSD 840 PRO Series introduces three important hardware features for businesses: Worldwide Name (WWN), LED Indicator support, and AES 256-bit Full Disk Encryption (FDE). The first two features make it easier to integrate the 840 PRO SSD into server and storage systems while the AES Encryption helps safeguard data against attack. By encrypting all information on the disk at the hardware level, there is no detrimental effect on performance.
Plus, Samsung's Magician software has been completely redesigned and includes several business-friendly features including Drive Health Status, Total Bytes Written (TBW), and Disk Scan & Error Reporting functionality. This allows IT managers to monitor drive health and plan hardware replacement cycles.

  • Solid State Drive
  • 2.5" 7mm (Ultraslim) Form Factor
  • 840 PRO Series
  • Capacity: 256GB
  • Sequential Read Speed: Up to 540MB/s
  • Sequential Write Speed: Up to 520MB/s
  • Random Read Speed: Up to 100K IOPS
  • Random Write Speed: Up to 90K IOPS
  • Power Consumption: .15W
  • Voltage: 5V ± 5%
Operating Systems
  • Windows 7 (32-bit and 64-bit), Vista, XP, MAC OSX, Linux
  • 5 Year Manufacturer warranty
Product Contents
  • Samsung SmartMigration Software
  • Samsung Software & Manual CD
  • Quick User Manual

Samsung 256GB 840 Pro Series SSD Product Reviews

Technical Specifications


Features Hardware Full Disk Encryption (FDE), TRIM support, Garbage Collection technology , S.M.A.R.T., 256-bit AES
Device Type Solid state drive - internal
Capacity 256 GB
Form Factor Ultra Slim Line
Interface Serial ATA-600
Width 69.85 mm
Depth 100 mm
Height 7 mm
Weight 68 g

Environmental Parameters

Min Operating Temperature 0 °C
Max Operating Temperature 60 °C


Drive Transfer Rate 600 MBps (external)
Internal Data Rate 540 MBps (read) / 520 MBps (write)
4KB Random Read 100000 IOPS
4KB Random Write 90000 IOPS

Expansion & Connectivity

Interfaces 1 x Serial ATA-600
Compatible Bays 1 x internal - Ultra Slim Line

Software & System Requirements

Software Included Drivers & Utilities, Samsung Smart Migration Software
OS Required Linux, Apple MacOS X, Microsoft Windows XP, Microsoft Windows Vista, Microsoft Windows 7 (32/64 bits)

Manufacturer Warranty

Service & Support 5 years warranty
Service & Support Details Limited warranty - 5 years

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Samsung 256GB 840 Pro Series SSD

£139.98 inc. vat

£159.46save £19.48

£116.65 ex. vat

£132.88save £16.23
View Product