Here we have got the latest SSD from PlextorââPX-256M5Pï¼surely the review is being offered, before enjoying the test, let’s have a look at a series of our first SSD tests:
Plextor PX-128M5S Solid State Drive Review
Exclusive Review for 120GB SSD Based on 20nm NAND Flash
OCZ Vertex 4 128GB SSD Review
ADATA XPG SX900 SSD Review
OCZ Synapse Cache SSD Accelerating HDD Superiorly
Exclusive Review Of Plextor M3 Series True Speed SSD
M5S features the brand-new Marvell 88SS9187 controller (Everest 2), currently OCZ Vertex 4 also packs the same controller which is supposed to have a decent performance, however, their firmwares are totally different.
M5P SSDs are available in three versions of 128GB, 256GB and 512GB. 128GB and 256GB versions feature 256MB and 512MB DDR3 cache, respectively, while 512GB model comes with 768MB DDR3 cache. In terms of reads/writes, 128GB model delivers read and write speed of 540MB/s and 340MB/s, separately, as well as maximum 4K random 91,000 and 82,000 IOPS in reads and writes.
Plextor PX-256M5P taken apart
At the front side of Plextor PX-256M5P
At the back side of Plextor PX-256M5P
Marvell 88SS9187 controller
The mains features of 88SS9187 controller
* Support 8-channel parallel reads/writes, 200MB/s for each channel
* Support ECC error correction to improve reliability
* Support On-chip RAID (allowing for failure of defective NAND block, plane, die or device)
* Support 1Gb DDR3 cache to improve performance
* SATA 6Gbps limited sequential read speed
* Up to 500MB/s sequential write speed
* "best-in-class" random read/write speed
Two Nanya 256MB DDR3-1333 DRAM chips working as external cache
Another change of M5P is that it uses Toshiba 19nm Toggle DDR MLC (24nm process with M3P). The flash chip number of PX-256M5P is TH58TEG8D2JBA8C, it packs eight chips with a total capacity of 256GB, however, P/E is unknown.
The accessories include user manual, 2.5 to 3.5-inch bracket and Acronis True Image OEM software.
Page 1: Plextor PX-256M5P Introduction
Page 2: Performance test & Conclusion
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