Crucial has now started shipping their new M500 Series solid state drives. These drives use Micron 20 nm MLC NAND flash combined with a Marvell controller. The M500 series will be available in 2.5-inch (7mm with 9mm bracket), mSATA and NGFF M.2 form factors. All three drives use SATA 6GB/s connectivity and are available in 120 GB, 240 GB, and 480 GB capacities. The 2.5-inch SATA model also has a 960 GB “terabyte-class” model.
As far as speeds go all of the drives have sequential read speeds of up to 500MB/s, but the write speeds on the 120 GB and 240 GB models is only 130 MB/s and 250 MB/s respectively. The 480 GB and 960 GB variants have write speeds of 400 MB/s. All of the drives come with a 3 year warranty. The 120GB, 240GB, 480GB, and 960GB capacities have MSRPs of $129.99, $219.99, $399.99, and $599.99, respectively. The M.2 form factors are expected to be available in the second quarter of 2013.
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