Samsung 850 Pro 128GB SSD
The 850 Pro packages are a bit more menacing than the previous models.
The back of the proposed retail package shows the performance specifications, something we really like for retail shoppers. A list of features and the warranty information is also on the back. We call this the proposed package because sometime after SanDisk launched the Extreme Pro and my writing this review, the warranty moved from 5 years to 10.
The 850 Pro we received is a bare drive model with the SSD, two paper booklets and two stickers.
Here we get our first look at the drive. The square at the bottom now has a reddish tent to it while the older models were orange.
The model number, serial number and capacity size information is on the back of the drive.
The 850 Pro is a 7mm z-height SSD so it fits in the growing number of Ultrabooks on the market.
Inside we found a very small PCB inside the 2.5" drive case. Samsung is able to reduce the total manufacturing cost by shrinking the design. The 128GB model PCB is smaller than the 1TB we tested earlier today.
The overall design is actually very simple and cost effective.
Samsung used the 3-core MEX controller on 850 Pro, the same used in the 840 EVO products.
The 128GB 850 Pro has 256MB of LPDDR2 DRAM that caches the page table data.
Since the 850 Pro uses the same controller as the 840 EVO, the NAND flash is the main difference, along with the controller programming. This is our first real up close look at Samsung's new 3D V-NAND. On the surface, it really doesn't look much different than 2D planar NAND that we've used since the first consumer SSDs hit the market.
Samsung used four flash packages to get to the 128GB capacity size on the 850 Pro 2.5" drive.
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