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OCZ Trion 100 480GB SSD Review

Storage/SSD by stefan @ 2015-12-19

TLC NAND, even with its lower performance, is setting the baseline for the next breed of affordable SSDs so now we will be able to look a step further at 480GB capacities which were never chosen before by the mainstream segment of buyers. Thanks to the pseudo-SLC cache Trion 100 employs, which varies in size depending on the total storage capacity of the drive, regular users which use the drive for activities which do not require sustained writes of large files will not get to see a big difference between this SSD model and other, higher priced MLC variants because they will mostly work with the included cache.

A Closer Look Contd.

In the middle we can observe a sticker which holds the product serial numbers, power rating, capacity, currently installed firmware and other info like supported standards:

A closer look will also reveal the SATA Data and Power ports:

After the removal of the cover, we will be able to expose the PCB of the Trion 100, which is smaller than expected and there are no TLC NAND chips on its back:

By switching the PCB on the other side we will be able to spot the main Toshiba controller, which is placed on the surface like on SSDs with Silicon Motion or Phison controllers, the RAM cache but also four TLC NAND chips:

The D9PXV Micron DDR3L 1600MHz buffer does have 512MB capacity and runs at 1.35V:

Each A19nm TLC NAND package holds 128GB of raw storage capacity and it is also important to mention that Trion 100 is using quasi-SLC cache (7.2GB in size for the 480GB version) for improving write performance; what usually happens when starting to write to the drive is that Trion 100 starts using the SLC portion first and when IDLE occurs it will be flushed to the slower TLC NAND regions. At the testing phase of our article we will try to exemplify this and also show what happens when writing a large file to the drive:

The Toshiba TC58 controller incorporates QSBC (Quadruple Swing-By Codes) error correction technology:

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