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Crucial MX500 4TB 3D NAND SATA 2.5-inch 7mm SSD Review

Storage/SSD by stefan @ 2023-09-24

After checking the performance of the Crucial MX500 4TB, we can clearly note that it works best as a secondary storage device, where speed is less of a priority, but the user will mainly be more interested in price per GB. The drive succeeds to maintain a rather high transfer speed even after the pSLC cache has been filled up thanks to the 176-layer TLC ICs, but also the DRAM for caching purposes. The use of TLC does also enhance the overall durability, the drive being guaranteed for 1PB of total writes during its lifetime.

A Closer Look Contd.

The SATA Data/Power connectors are also available here:

Two small screws are placed on each side, which hold the chassis together:

After removing the top cover, we will learn that the drive PCB is quite small, occupying less than half o the total space; this is held secure with two additional screws on the bottom plate:

We have removed the board from the plate and discovered two small thermal pads, which assist with heat dissipation:

The top area of the PCB does come with the controller, the DRAM cache but also two NAND ICs:

The Silicon Motion SM2259 is a quad-channel controller meant for cost-effective storage solutions, with a single core and built on a 40nm process:

The DRAM cache is a Micron D9SHD IC, with an operating frequency of 1866MHz (DDR3) and a capacity of 512MB:

The NAND ICs do carry the NY135 code name and are B47R FortisFlash from Micron; to be more exact, we are talking about 176-layer TLC chips:

On the back side of the PCB, we will note the remaining two NAND Flash chips:

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