Samsung EVO 840 (128GB/256GB/500GB)

The Samsung EVO 840 SSDs (Solid State Drives) are one of the best and high quality storage components manufactured by Samsung which is the leading memory manufacturer in the world. This model comes in different types depending on the memory size and some other factors. There is the 128GB drive, the 250GB drive and the 500GB drive. Although these variations of the model are built with the same technology, there are some differences which are specific to each variation. However, most of the properties are similar.

Samsung EVO 840 120 GB

Samsung 850 EVO – 120GB – 2.5-Inch SATA III Internal SSD (MZ-75E120B/AM) (Personal Computers)


List Price: $119.99 USD
New From: $94.99 USD In Stock
Used from: $79.00 USD In Stock

The 120GB model is built with a worry free security of data which has a full disk encryption of AES 256-bit. This is a very important feature when it comes to the security of data and prevention of unauthorized access. The disk does not contain any moving parts. This is advantageous in that it prevents disk spin ups while at the same time enhancing the superiority of data security. Absence of moving parts in the disk also means that there is no noise production unlike in other disks with moving parts. This 120GB model is designed to be of lightweight hence allowing the user to work even smarter. It has a sequential read speed of 540 MB, a random read speed of 94K, a sequential write speed of 410 MB and a random write speed of 35K. Compared to the previous model, the sequential write speeds in the 120 GB drive have tripled from 130 to 410. This is because the drive is built using the Turbo Write technology. This drive uses a 256 MB LPDDR2 cache.

Samsung EVO 840 250 GB

[DISCONTINUED] Samsung 840 EVO 250GB 2.5-Inch SATA III Internal SSD (MZ-7TE250BW) (Personal Computers)


List Price: $199.99 USD
New From: $138.86 USD In Stock
Used from: $106.55 USD In Stock

The 250 GB model is built using very high quality engineering components from Samsung. The drive also has the AES 256 bit encryption for the whole disk. It is built on the same technology like that of the 120 GB model since it also does not have any moving parts making it enhance data protection and eradicate noise completely. The speeds for this disk are however different. It has a sequential read speed of 540 MB, a random read speed of 97K, a sequential write speed of 520 MB and a random write speed of 66K.

Samsung EVO 840 500 GB

The other type of the Samsung EVO 840 SSD is the 500 GB capacity drive. This drive has the same characteristics as those of the 120 GB and 250 GB. The sequential read and write speed are similar to those of the 250 GB drive. However, a major difference is the random read and write speeds. For the 500 GB drive, the random read speed is 98K while the random write speed is at 90K. Both the 500 GB Samsung EVO SSDF and the 250 GB Samsung EVO 840 SSD use a LPDDR2 SDRAM cache of size 512 MB.

The EVO series of the Samsung SSDs is a very economical way of upgrading and bringing back to life an old computer. With the super speed reading and writing speeds, these drives will boost the speed and the time for loading applications considerably. The multitasking performance is also boosted greatly by these super-fast SSDs. With the absence of moving parts in these disks, they are more resistant to shocks hence more durable. They are built to improve the productivity of the PC in its daily tasks. Besides using the Turbo Write technology, Samsung has also employed their RAPID technology in these disks. This RAPID technology enables very fast buffering of data. All these SSDs are of the same physical size.

Samsung 840 EVO

They measure 0.27 inches by 2.75 inches by 3.94 inches. All these drives have a 2.5 inch form factor and can be used on both laptops and desktop computers. The interface for the three different SSDs is SATA III with a speed of 6 Gbit/s. However, this interface is compatible backwards with SATA I and SATA II of 1.5 Gbits/s and 3 Gbits/s respectively. The type of controller used by these drives is the MEX 3-Core Samsung controller.

All the parts are genuine products of Samsung and as an additional package, these disks come alongside software which necessitate a safe installation of the SSD and safe migration of data. The software does not only necessitate the migration of data but also the operating system and the applications in the old hard disk drive. It is possible to monitor, maintain and manage the new SSD using the Samsung Magician which is a software that comes alongside the drives. Upon purchase, the whole package comes with a Samsung EVO SSD, the SSD Magician software, the data migration software and the One-Stop Installation Navigator.

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