Ultrastar SS300

Western Digital has officially introduced its first data center-class SSDs using 3D NAND flash. The new HGST Ultrastar SS300 SSDs are designed for SAS applications with mixed workloads that demand drives with endurance but are not the highest performance possible. The new drives were co-developed with Intel, so they do not have various proprietary SanDisk technologies, such as the Guardian (as some previous-gen Ultrastar SS), but support numerous new features instead. The Ultrastar SS300 drives use Intel’s 3D NAND memory - which we suspect is their recent 64-layer TLC & MLC - as well as a proprietary controller that was presumably co-designed with Intel. HGST does not disclose many details regarding the chip, but it might be the same controller that powers the recently launched...

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