Samsung teases first terabyte-plus QLC SATA SSDs


'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.

You can look forward to the initial 4TB QLC SSDs arriving later this year.

Samsung's 4-bit 4TB (TeraBytes) 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. A new round of NAND flash production at Samsung could finally make SSDs in the multi-terabyte range affordable and mainstream. That charge is used to read information from a sensor, so it's much more hard to maintain performance over time.

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Samsung has started mass producing the industry's first 4TB SSD based on 4-bit quad-level cell (QLC) technology.

The company says that when data stored within a memory cell is bumped up from three bits to four, maintaining optimum performance and speed becomes "considerably more hard". Samsung is increasing storage density by 33 percent with these chips, so it would be nice to see prices fall by that much, too. Overall, Samsung claims sequential read speed of 540 MB/s and a sequential write speed of 520 MB/s in 4-bit SSDs.

If you're interested in buying the new SSD, the tech giant says they will be on sale later this year with 1TB, 2TB, and 4TB variants, and come with a three-year warranty.

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Samsung boasts that its QLC SSDs will improve efficiency for consumer computing, including in smartphone storage where the 1TB four-bit V-NAND chip will allow it to efficiently churn out 128GB memory cards for smartphones.

The company also expects to provide M.2 NVMe SSDs for enterprises and start mass production of 4-bit 5th-generation V-NAND.

The Samsung 4TB 850 EVO SSD is now listed on with a £1,399.99 retail price (albeit discounted to £999.99 at present).

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