Samsung 840 Pro SSD 256 GB Review 30

Samsung 840 Pro SSD 256 GB Review

Test Setup »

Packaging

Package Front
Package Back



You will receive:
  • The SSD
  • Documentation
  • Samsung SSD Sticker

The Drive

SSD Front
SSD Back

The drive conforms to the dimensions set forth by the 2.5" form factor. It is made of metal, which improves its durability. Please note that the drive is thinner than normal 2.5" SSDs. Its height of 7 mm makes it a perfect match for the latest Ultrabooks.

SSD Interface Connector

Like most recent SSDs, the Samsung 840 Pro uses the SATA 6 Gbps interface. It is compatible with any older SATA standard, but will, in such a case, work at reduced performance.

SSD Teardown PCB Front
SSD Teardown PCB Back

Samsung has crammed all components onto one side of the PCB. You will find the SSD controller and a total of eight flash chips here. A DRAM chip has also been installed to provide RAM for the SSD Controller.

SSD Controller

Samsung uses their own ARM-based, triple-core MDX controller on the 840 Pro.

SSD Flash Chips

The eight flash chips are produced by Samsung on a 21 nanometer process.
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Jul 4th, 2022 10:44 EDT change timezone

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