Model: Plextor PX-256M5M 256GB mSATA Solid State Drive
Manufacturer: Plextor
Provided By: Plextor LLC

As one of the biggest names in the storage industry, Plextor doesn't need much of an introduction. For more than a decade, they've produced some of the best optical drives the industry has seen. Known the world over for their quality, performance, and features, these drives have become favorites among consumers and professionals alike. Today, Plextor continues to lead the way by bringing cutting edge storage technologies to market. Along with a vast assortment of high-performance DVD and Blu-ray drives, the company offers NAS devices, external hard drives and a growing number of solid state drives.

Building on the success of their consumer solid-state drives (SSD), Plextor now has its sights set on the mobile storage market. At this year's Consumer Electronics Show (CES), the company unveiled its first mSATA SSD, the M5M. Designed for ultrabooks, tablets and other portable devices with limited space, the M5M provides high-performance and reliability in a space one-eighth the size of a standard 2.5 inch drive. This pint-sized SSD combines Marvell's 88SS9187 "Monet" controller with Toshiba's 19nm Toggle Mode MLC NAND to deliver up to 540MB/s read and 430MB/s write transfer rates. The M5M also supports Plextor's exclusive True Speed and True Protect technologies as well as the SATA Device Sleep (DEVSLP) standard which extends the battery life of a device by reducing the drive's power consumption to 1 mW when it is not in use.

For this review, Plextor sent us the PX-256M5M. This 256GB SSD comes equipped with 512MB of on-board cache and is capable of delivering up to 540MB/s sequential read and 430MB/s sequential write speeds as well as up to 79,000 random read and 77,000 random write IOPS.

   Plextor PX-256M5M 256GB mSATA Solid State Drive
General Specifications
Capacity 256GB
Flash Type Toshiba 19nm Toggle Mode NAND
Controller Marvell 88SS9187 "Monet"
Cache 512MB DDR3
Form Factor JEDEC MO-300
Interface SATA 6Gb/s

Sequential Read 540 MB/s Max
Sequential Write 430 MB/s Max
Random Read (IOPS 4K) 79,000 Max
Random Write (IOPS 4K) 77,000 Max

Power Consumption
MobileMark 0.2W

Environment and Reliability
Temperature (Operating) 32 ºF to 158 ºF (0 ºC to 70 ºC)
Shock 1500G, 1 ms
Vibration (Operating) 7~800Hz, 2.17G (RMS)
MTBF 2.4 million hours

Dimensions and Weight
Dimensions 50.8 x 29.8 x 3.6 mm
Weight 9g

Other Features
Exclusive True Speed technology
True Protect double-data protection system
DEVSLP power mode
Instant Restore function
Global Wear-Leveling
Bad Block Management
256-bit AES encryption
Firmware upgradeable
Three year warranty

Needless to say, this is only a taste of what the PX-256M5M has to offer. To give you an idea of what to expect, we'll take a closer look at Plextor's new 256GB mSATA SSD and then see how well it performs. Does the PX-256M5M have what it takes? Can it deliver the performance and features that we've come to expect from Plextor? Keep reading as we find out.

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