Samsung’s faster, cheaper 4TB SSD enters mass production

  • Samsung’s faster, cheaper 4TB SSD enters mass production

Samsung’s faster, cheaper 4TB SSD enters mass production

He added that 4-bit terabyte-SSD products will now rapidly spread throughout the entire market.

When paired with Samsung's 1-terabit 4-bit V-NAND chip (32 of them in the case of this specific SSD), we get a drive that boasts 4TB capacity and read/write speeds that are similar to the company's 3-bit SSDs. If so, here's some good news from Samsung. The performance is in part due to using Samsung's 3-bit SSD controller and TurboWrite Technology.

Samsung says it has started production on 4-bit quad-level NAND cells (QLC), which stores more data in the same space as older 3-bit NAND cells (TLC).

Created to increase the capacity available from each NAND chip, QLC is a form of multi-level cell technology which allows four individual bits per memory cell - vastly increasing capacity over the company's existing triple-level cell (TLC) equivalent. And although Samsung didn't share any pricing information for the new SSDs, the language in the press release makes it clear that these are aimed at consumers (and thus will be more affordable).

As a result, sequential read speed is given as 540 MB/s and sequential write as 520 MB/s, though random read/write figures have yet to be revealed.

Interestingly, Samsung said it will use the same chip to "efficiently" produce a 128GB memory card for smartphones. 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.

Executive vice president of memory sales & marketing at Samsung Electronics, Jaesoo Han explains that "Samsung's new 4-bit SATA SSD will herald a massive move to terabyte-SSDs for consumers". The 2 and 4 TB drives will still be a bit spendy, but the 1TB tier should offer a solid price advantage over current 1TB solid-state drives.