Samsung 850 EVO SSD on SATA II – installation, speed test

Samsung 850 EVO SSD speed test on SATA II port

Unboxing, installation and speed-test the Samsung 850 EVO SSD drive on an old SATA 2 ( SATA II) port in my SATA2 MB, Abit IP-35.

Testing the Samsung 850 EVO V-NAND SSD drive 2.5 inch size that fits both in laptops and in a desktop PC.

When installing the SSD in a desktop computer, you need a HDD bracket adapter from 2.5 inch to 3.5 inch HDD bay. If your case has a 2.5” HDD bay you won’t need any adapters.

The SSD shown here and in the video is the 500GB version.

Specifications:
Make: Samsung Electronics
Model: Samsung 850 EVO
MZ-75E500
Type: Solid State Drive
Interface: SATA III (SATA 6Gb/s), compatible with SATA II (SATA 3Gb/s) and SATA I (1.5Gb/s) Interface

Up to 540 MB/sec Sequential Read
Up to 520 MB/sec Sequential Write
Supports: Trim, AES 256-bit Full Disk Encryption, S.M.A.R.T., Garbage Collection.
Reliability (MTBF): 1.5 Million Hours (MTBF)
5 Years Limited Warranty or 150TBW Limited Warranty

SSD performance when used in best conditions – SATA3 can achieve the bellow speeds but we will test it on SATA 2.

If your PC is running SATA in IDE mode you should change to AHCI mode to increase performance.

Install the Samsung Magician app/program and it will tell you if Trim and AHCI are enabled.

Normally when changing from IDE to AHCI you would need to reinstall the Windows operating system but there is a way to avoid that.

As shown in the video, this is the Regedit registry editor key path:
“ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesstorahciStartOverride”
Find the D_WORD key named “0” and double click to edit it’s value
Change the value from 3 to 0

Restart windows and check in Samsung Magician that the AHCI is reported as enabled.

Use the Data migration tool / application to clone the old hard disk on to the new SSD.

Doing this helps you save time but watch carefully in the video that there are some potential problems that you can avoid if you follow the steps.
Once cloning is complete, the SSD will become the system drive.

Tested the SSD on SATA2 and even though the sequential read spead is limited by the SATA II interface bandwith, the random access speed is much much greater that what the old HDD was able to provide.

In the test we reached more than 280MB read/write speed and in the real world that should make it worth upgrading to SSD even if you don’t have SATA 3 (SATA III) ports on your motherboard.

Could have used a slower drive because the interface is the bottleneck here but this was the cheapest 500GB drive I could find locally at the time we bought this.

If you thing about upgrading to SSD, do it! 🙂

Brand doesn’t matter, any SSD will be faster than your old HDD!
Just think about how much space you need, and then find the cheapest from any of the top 5 SSD manufacturers.

Write a comment bellow if you upgraded your PC storage and are excited as I was when saw the speed of this thing! 🙂

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