Technology and gaming content trusted in North America and globally since 1999
8,616 Reviews & Articles | 61,033 News Posts

Micron P400m 200GB Enterprise SSD Review (Page 3)

Paul Alcorn | Feb 13, 2013 at 4:54 am CST - 1 min, 40 secs time to read this page
Rating: 91%Manufacturer: Micron

Micron P400m Internals

Micron P400m 200GB Enterprise SSD Review 06 |

The Micron P400m comes in a 2.5-inch form factor with a 7mm Z-height. This enables deployment into slim applications and blade servers.

Micron P400m 200GB Enterprise SSD Review 07 |

Once opened, we can observe that Micron is using thick thermal pads to shed heat form the controller and NAND into the case of the SSD. This creates a heatsink effect, helping to lower the overall heat of the SSD. This increases the longevity of the components.

Micron P400m 200GB Enterprise SSD Review 08 |

The P400m has a generous helping of overprovisioning, weighing in at 70%. This provides ample space for internal functions and the RAIN implementation.

There are 16 emplacements of custom 25nm MLC NAND on the PCB, with 8 per side. Each of the three capacity points (100, 200, 400GB) will utilize the same number of NAND packages with a varying die count per package. The 100GB capacity will feature Dual die, the 200GB capacity has Quad die, and the 400GB will feature 8 die per package.

This NAND is an SSD-specific design and will not be available to Micron's customers on the open market. The MLC NAND manages to increase endurance without sacrificing performance, and features an 8KiB user page size with 256 pages per block.

There are also four yellow capacitors along the edge of the PCB. These capacitors will flush data to the NAND in the event of a host power-loss issue. We do note that there are several open slots for more capacitors, possibly for higher capacity versions of the P400m.

Micron P400m 200GB Enterprise SSD Review 09 |

There are other open mounting points for capacitors on the bottom of the PCB and the remaining 8 NAND packages.

Micron P400m 200GB Enterprise SSD Review 10 |

The Marvell 9187 SSD controller dominates the front of the PCB near the SATA controller. This controller has a long track record of reliability in the enterprise space. The Marvell controller is powered by Micron custom-built firmware. This firmware is designed and optimized to interact with their onboard NAND and DRAM. The controller is flanked by a 50nm 2GB DDR2-800 DRAM module.

Last updated: Apr 7, 2020 at 12:31 pm CDT

PRICING: You can find products similar to this one for sale below.

USUnited States: Find other tech and computer products like this over at

UKUnited Kingdom: Find other tech and computer products like this over at

AUAustralia: Find other tech and computer products like this over at

CACanada: Find other tech and computer products like this over at

DEDeutschland: Finde andere Technik- und Computerprodukte wie dieses auf

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.

We openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion. If any company representative wishes to respond, we will publish the response here. Please contact us if you wish to respond.

Related Tags