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Monday, May 12, 2014
Toshiba HG6 256GB 2.5-inch SSD review

2. A closer look

The Toshiba HG6 256GB 2.5-inch SSD is packaged in a standard 2.5-inch 7mm enclosure. As we previously mentioned, the HG6 series are aimed at both consumer and business use with multiple form factors to allow the drives to be used in ultrabooks, desktops, and servers. The drives are available in 2.5" SATA 6Gbps (7mm and 9.5mm), mSATA, and the newer M.2 specification.

Looking under the hood and at the drive's PCB, the one side of the PCB is bare for our 256GB test model, but it includes additional NAND chips in larger versions of the drive.This 256GB version ships with eight 32GB memory chips on one side. These are Toshiba Advanced 19nm (A19nm) toggle 2.0 MLC (Multi level cell) NAND. There is also the Toshiba - labeled controller, which supports 'adaptive SLC emulation', which offers improved writing performance.

The drive came with firmware Ver.JUXA101 installed and as you see below, the available capacity for the user is 244.198 MB (256GB drive). The difference is mostly the conversion of GB to GiB plus a bit of space set aside for over provisioning that the controller uses to maintain the drive over time in an effort to mitigate performance degradation. The readout on CrystalDiskInfo shows that both NCQ and S.M.A.R.T. are enabled, as well as TRIM and the interface is confirmed at SATA 6Gbps:





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