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Crucial M500 240GB SSD Review

Crucial M500 240GB SSD Review
We've seen the large 960GB M500 and the smaller 120GB drives. Today we look at the sweet spot for enthusiasts and power users, the 256GB class model. Sold with 240GB of user capacity, does the mid size model suffer from the same performance issues that plague the 120GB model or does this one take after big brother? (NASDAQ:MU)
| SSDs in Storage | Posted: Jul 16, 2013 4:03 pm
TweakTown Rating: 82%Manufacturer: Crucial

Introduction

 

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Just days ago we rolled out our review of the Crucial M500 120GB SSD. We concluded that the flash was causing performance issues, but we didn't go into great detail on why. In our reviews, we show a picture of the flash and tell you how many packages a drive has, but rarely do we talk about the number of die in each package.

 

The M500 120GB has eight NAND packages (the black squares you can see) and inside each package is one NAND die. The Marvell 9287 controller is an 8-channel design so that means each channel is responsible for one piece of flash.

 

Today we're looking at the Crucial M500 240GB model. This model uses sixteen NAND packages with one die per package. The M500 240GB uses the same 8-channel controller so that means each channel connects to two NAND die. This brings us to interleaving or more than one NAND talking to each channel on the controller.

 

In the easiest terms to understand, interleaving gives us the same effect that double data rate (DDR) RAM gave us. It isn't so much the rise and fall of the clock cycle, but its more operations per clock cycle.

 

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The Crucial M500 240GB doubles the number of die to each channel over the 120GB model. Let's see what that does for the performance over the next lot of pages.

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