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Samsung begins mass-producing 4TB SSDs to offset steep prices

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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 South Korean tech giant said it would launch several 4-bit consumer SSDs later this year with 1TB (terabyte), 2TB, and 4TB capacities in the widely used 2.5-inch form factor.
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The new 4-bit quad-level cell (QLC) SSD is expected to bring a new level of efficiency to consumer SSDs.

“Samsung’s new 4-bit SATA SSD will herald a massive move to terabyte-SSDs for consumers,” said Jaesoo Han, Executive Vice President of Memory Sales and Marketing at Samsung Electronics.

“As we expand our line-up across consumer segments and to the enterprise, 4-bit terabyte-SSD products will rapidly spread throughout the entire market,” Han added.

Typically, as data stored within a memory cell increases from three bits to four, the chip capacity per unit area would rise and the electrical charge (used to determine information from a sensor) would decrease by as much as 50 per cent, making it considerably more difficult to maintain a device’s desired performance and speed.

However, Samsung’s 4-bit 4TB QLC SATA SSD maintains its performance levels at the same level as a 3-bit SSD, by using a 3-bit SSD controller and TurboWrite technology, according to the company.

With its new 1Tb 4-bit V-NAND chip, Samsung said it will be able to efficiently produce a 128GB memory card for smartphones that will lead the charge toward higher capacities for high-performance memory storage.

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