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SanDisk upgrades its Z-400 SSD by changing it from an MLC to a TLC drive

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April 28, 2016

SanDisk says it has upgraded its Z-400 PC SSD by changing it from an MLC drive to a TLC one with an SLC cache, doubling its storage capacity as well making it faster by about 15 percent.

The Z-400 SSD solution used 15nm MLC (2 bits per cell) flash when it was introduced in mid-2015.

To be sure, SanDisk kept the 15nm NAND but changed it to TLC (3bits per cell), upgrading its capacity by about 50 percent.

The Z-410 comes in three storage capacities: 120 GB, 340 GB and 480 GB, whereas the Z-400 had 32 GB, 64 GB, 128 GB and 256 GB of storage capacity.

As well as increasing the capacity with the MLC to the TLC move, SanDisk has increased its performance by adding an internal SLC (1 bit per cell) cache.

The Z-410.M has a 1.75 million hours MTTF rating and its power draw profile is 50/30/3 mW in Active/Slumber/DEVSLP modes.

It comes in 2.5-inch format, SanDisk not using the Z-400's M.2 and mSATA form factors with the Z-410.

The new device is said to be a budget SSD and to be available now, but there is no pricing information available as of today.

Source: The Xen Project.

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