Samsung begins mass production of industry-first 4-bit consumer SSDs

Shattered hard disk

Shattered hard disk

Something to look forward to: With the size of games getting ever larger, are you finding yourself running out of storage space?

Setting the stage for rolling out advanced memory technology to meet the growing demand for faster, more reliable performance across a wide span of applications, Samsung on Tuesday said it began mass producing the industry's first 4-bit SATA solid-state drive (SSD) for consumers.

The new Samsung QLC SSDs are based on the company's 1 Tb 64-layer QLC V-NAND flash as well as a proprietary controller previously used for drives powerd by 64-layer TLC V-NAND memory-probably the MJX controller from the 860 EVO.

Samsung said its 4-bit 4TB QLC SSD maintains the same performance levels as a 3-bit SSD.

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The hope is that this jump to QLC will bring prices down thanks to more efficient production, thereby making terabyte-sized SSDs accessible to more consumers. "As we expand our lineup across consumer segments and to the enterprise, 4-bit terabyte-SSD products will rapidly spread throughout the entire market".

4-bit QLC has been a tricky thing to figure out, because while the potential for higher capacity is there, write speeds tend to suffer in the jump from three bits to four. Samsung's QLC SSDs offer up to 540 MB/s sequential read speed as well as up to 520 MB/s sequential write speed when the company's TurboWrite SLC caching technology is enabled.

Samsung said it plans to introduce several 4-bit consumer SSDs later this year, with 1TB, 2TB, and 4TB capacities in a 2.5-inch form factor. The company added that it is also working on a 128GB QLC memory card for smartphones.

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