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Micron RealSSD P400E Five Drive JBOD Enterprise Report (Page 4)

By Paul Alcorn on Aug 15, 2012 at 10:31 am CDT - 1 min, 18 secs reading time for this page
Manufacturer: Micron

P400E Internals

Micron RealSSD P400E Five Drive JBOD Enterprise Report 09 | TweakTown.com

Once popped open we note the black shim utilized for expanding the P400E into a 9.5mm z-height. For 7mm z-height applications, a simple removal of the shim creates a much thinner form factor. This provides the user flexibility for a number of applications, allowing deployment of the P400E as a boot device for a business laptop or easy integration into server racks.

Micron RealSSD P400E Five Drive JBOD Enterprise Report 10 | TweakTown.com

The blue thermal pad is an important feature of enterprise class SSDs that allows for effective heat dissipation from the Marvell 9174 6Gb/s controller. Heat dissipation is very important in handling the higher temperatures that this SSD will experience in comparison to a typical consumer SSD. The thermal pad, placed against the thick bottom casing of the SSD, allows the Marvell controller to run cooler over the course of its life and increases its lifespan.

Micron RealSSD P400E Five Drive JBOD Enterprise Report 11 | TweakTown.com

The rear of the PCB holds eight IMFT 25nm 29F128G08CFAAB NAND packages. The 256MB DDR3-1333 SDRAM chip, also produced by Micron, is located to the bottom right of the picture.

Micron RealSSD P400E Five Drive JBOD Enterprise Report 12 | TweakTown.com

Removing the thermal pad reveals the Marvell 9174 controller, which is utilized in a multitude of enterprise applications. The IMFT NAND packages each contain 16GB of capacity. With eight packages on the top and eight more on the bottom of the PCB, there is a total of 256GB of raw NAND on the PCB.

Only 200GB is user addressable, due to the hefty 28% of overprovisioning that Micron has employed to smooth out performance and boost longevity.

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Paul Alcorn

ABOUT THE AUTHOR - Paul Alcorn

The quest for benchmark world records led Paul further and further down the overclocking rabbit hole. SSDs and RAID controllers were a big part of that equation, allowing him to push performance to the bleeding edge. Finding the fastest and most extreme storage solutions led to experience with a myriad of high-end enterprise devices. Soon testing SSDs and Enterprise RAID controllers at the limits of their performance became Paul's real passion, one that is carried out through writing articles and reviews.

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