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

Shattered hard disk

Shattered hard disk

He added that 4-bit terabyte-SSD products will now rapidly spread throughout the entire market. Drive capacity is increased through the use of 32 chips, all based on 64-layer 4th generation 1Tb V-NAND technology. Back in 2006 when SSDs were just starting to appear, the flash chips Samsung used were 70nm and stored just 4Gb allowing for a drive with 32GB of storage. HotHardware said the 1TB model "performed well" at low queue depths and "actually finished near the top of the pack in 4K QD1 transfers", while PCWorld praised the drive as the "best of the bargain NVMe SSDs", save for a concerning drop in write speeds in situations most users are not likely to encounter.

Samsung claims its 4-bit SSDs maintain the same performance levels as its 3-bit equivalents, by using a 3-bit SSD controller and TurboWrite technology.

It has started mass producing the "industry's first" 4-bit 4TB SATA solid-state drive for consumers, with the objective of releasing the new drive "later this year".

But Samsung is bringing QLC tech to consumers for the first time and will be offering up to four-terabyte (TB) SATA solid-state drives (SSD) in 2.5-inch form factor devices.

In addition to high-capacity SSDs, Samsung also revealed that with its new chip, 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".

Samsung says it plans to also release 1TB and 2TB versions and that the first ones will be available later this year.

Samsung hasn't released official pricing for the in-production drives, but its 4TB 860 Evo is now selling for over $1,000.

According to Jaesoo Han, the EVP of memory sales at Samsung Electronics, "Samsung's new 4-bit SATA SSD will herald a massive move to terabyte-SSDs for consumers". At least there's plenty of competition in the QLC space, so hopefully we'll be pleasantly surprised by the price.

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