Samsung 840 250GB SSD
Here we get our first look at the actual SSD. Samsung uses an all metal case with the 840 and not the plastic case used on the 830. Visually the two cases are nearly identical, but Samsung did move the orange square from the lower left to the lower middle.
The capacity size, model and serial numbers are located on the bottom of the drive. The bottom mounting points are located where they should be.
The Samsung 840 and 840 Pro are both 7mm z-height drives so you can use them in ultrabooks as well as notebooks and desktops (with an adapter bracket, supplied with the full bundle kit).
The SATA power and data cable connectors are offset and where they should be.
Inside we found the Samsung MDX controller, a single DRAM cache buffer chip and eight Samsung 21nm TLC flash chips.
The DRAM cache is a new low voltage chip and it's located very close to the controller to reduce latency.
Samsung is currently the only SSD manufacturer shipping a product with TLC NAND flash on a consumer product.?
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