How to determine which SSD Drive is better

To build a better performing PC it is best to use a Solid State Drive (SSD) instead of the hard disk to install the operating system and the heavily used programs. It is the best way to build a PC which gives good performance and also the 240/250 GiB drives are also affordable. To check whether or not an SSD drive works better for your PC you can purchase a cheap one and check its performance. There are many SSD drives with varying storage like 120GB, 240 GB, and 480GB.

A low cost SSD drive from SanDisk was tested to see its performance against the other regular hard drives. The sdssda 240G G26 was used for this purpose. The model which was tested has 256 GB of total memory, however, it is sold as 240 GB since the 16 GBs are permanently reserved for over-provisioning. In the tests, the SSD Plus was compared to Crucial BX100 and the Corsair Neutron XT. The SSD Drive comes with a manual card and a frame stick which makes it mechanically compatible with laptops that require a 9.5mm drive as the SSD Plus is only 7mm thick. The drive comes in plastic casing which can easily be opened since the cover is only fitted on the drive. Once opened a small PCB is unveiled on one side and has two small flash memory chips.

On the components side there is a controller chip and two more flash chip memories are attached. There is no dedicated cache memory in the drive. It uses a Silicon Motion SM2246XT controller chip and NAND flash memory chips. The SSD was tested on a Core i7-5960X @ 3.5 GHz system. The system was using motherboard of ASRock Fatal1ty X99 Extreme6/3.1 and has memory of 16 GB DDR4-2400, four G.Skill F4-2400C15Q-16GRR 4GB modules. The Boot drive was Kingston HyperX Predator 480 GB while video display was of Samsung and Power supply from Corsair CX750. The error margin was set to be 3% in the tests which means that performance differences of less than 3% were not considered meaningful. As a result, when the performance difference between two products is less than 3%, they are considered to have similar performance.

The performance of each drive was measured using CrystalDiskMark. The SSDs were connected to a SATA-600 port on the motherboard instead of a SATA-300 port which can cause limitations to the performance. The CrystalDiskMark was set to “All 0x00 Fill mode “to check the performance of the SSD when it was dealing with the compressible data. On the sequential read benchmark test SSD Plus has the same performance as other drives. While on the sequential write benchmark SSD Plus performed similar to BX100 but it was 27% slower in performance as compared to the Neutron XT. On the read test with 512 kB blocks, the SanDisk model was 5% slower than the Crucial BX100 but stayed 35% slower than the Neutron XT. The SanDisk SSD Plus performed as expected and showed a high performance on the sequential read tests. The strong point of the drive is that it performs the same way with compressible data as it does with the non-compressible data.

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