Western Digital today introduced a new portfolio of iNAND embedded flash drives (EFDs) for smartphone users.

Leveraging Western Digital's 64-layer 3D NAND technology and UFS and e.MMC interface technologies, the new iNAND 8521 and iNAND 7550 EFDs deliver high performance and capacity.

Designed for data-intensive users, the iNAND 8521 EFD utilizes the UFS 2.1 interface and Western Digital's new fifth-generation SmartSLC technology to deliver up to double the sequential write speed, and up to 10 times the random write speed compared with the company's previous iNAND mobile solution for flagship smartphones, the iNAND 7232 EFD.

The iNAND 7550 EFD enables mobile manufacturers to create cost-effective smartphones and computing devices that feature ample storage while providing fast application experiences. Built on the e.MMC 5.1 specification, it is the company's highest performing iNAND EFD based on the widely used e.MMC interfaces to date, and delivers sequential write performance of up 260 MB/s and random read/write performance of 20K IOPS and 15K IOPS respectively.

Western Digital is currently sampling iNAND 8521 and iNAND 7550 storage solutions to OEMs in capacities up to 256GB.