Samsung Mass Produces First 4TB QLC SSD

👤by Michael Pabia Comments 📅06.08.2018 17:40:10
Press Release

Samsung starts the mass production of its first 4Terabyte 4-bit QLC solid-state drive for consumers. It boasts the same performance as the 3-bit design but bringing in larger capacities and a higher level of efficiency to Samsung’s line-up of consumer solid-state drives. The new 1Tb 4-bit V-NAND chips will not only produce the 4TB SSDs, it will also produce 128GB memory cards for next-generation smartphones and devices that can accommodate high-performance, high-capacity flash memory storage.

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

Samsung’s mass production history of SSDs in bits per cell



The new Samsung’s 4-bit 4TB QLC SATA SSD’s performance level is the same with the 3-bit Samsung SSDs by utilizing a 3-bit SSD controller and TurboWrite technology while significantly increasing drive capacity. The Samsung 4TB QLC SSD uses 32 chips that is based on Samsung’s 64-layer fourth-generation 1Tb V-NAND. The new Samsung 4TB QLC SSD packs sequential read speeds of up to 540MB/s and sequential write speeds of up to 520MB/s. Aside from the 4TB QLC SSD, Samsung will also be using the 4-bit QLC to create 1TB and 2TB capacities in the 2.5-inch SSD form factor.

Moving forward with Samsung’s application of new technologies, Samsung will be developing an enterprise-class M.2 NVMe solid-state drives this year and begin mass production of the 4-bit fifth-generation V-NAND for Samsung’s future expansion of its SSD line-up.

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