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Item#: N82E16820147193D

SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" MLC Internal Solid State Drive (SSD)

  • 2.5"
  • 256GB
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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.

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.

Learn more about the SAMSUNG MZ-7PD256BW


840 Pro Series
Device Type
Internal Solid State Drive (SSD)
Used For


Form Factor
Memory Components
Samsung MDX Controller


Sustained Sequential Read
540 MB/s
Sustained Sequential Write
4KB Random Read
Up to 100,000 IOPS
4KB Random Write
Up to 90,000 IOPS
1,500,000 hours


Trim Support
RAID Support
AES Encryption


Power Consumption (Idle)
Power Consumption (Active)

Quick Info

Customer Reviews of the SAMSUNG MZ-7PD256BW

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  • Katalin G.
  • 3/11/2014 5:31:31 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsAwesome is an understatement...

Pros: Fast, very fast.

Cons: No mounting bracket included or SATA cable included. Come on Samsung...

Other Thoughts: The 840 Pro replaced the OCZ Vertex 3 SSD. While I didn't think it would make much of a difference, it did. The already fast Windows 7 and programs perform better than it did with the OCZ SSD. Not my view, it's coming from the end user of this system.

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  • John E.
  • 2/20/2014 11:40:35 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsMakes a Great OS Drive!

Pros: Blazing fast read-and-write speeds. Very easy to install and set up. The provided cloning software did a terrific job of copying my original 7200 RPM Win 7 Pro C: drive (which I keep as a backup). Had it for almost a year with no problems at all; very reliable! Once the prices on these lovelies eventually go down to about half what they are now, I'll replace my 256GB with a full TB and transfer the former to my laptop. Can't wait! :-)

Cons: None really, except the price: I really could've used a half-TB or more, but the cost was much too high at the time.

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Internal SSDs > 
Item#: N82E16820147193D
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