Western Digital Joins Samsung in the Two-Power System with 64-Layer 3D SSDs
Published2017.08.29 16:59Overcoming the limitations of 2D NAND with 64-layer stacking
"We currently hold the second-largest SSD market share in the domestic market, behind Samsung. Building on our 64-layer 3D NAND SSDs, we aim to reach parity with Samsung next year."
Western Digital Korea (WD) General Manager Shim Young-cheol made these remarks at the domestic launch press conference for its 64-layer 3D NAND SSDs held at the Samsung Grand Intercontinental on the 29th. The 'WD Blue 3D NAND SATA SSD' and 'SanDisk Ultra 3D SSD' were announced in May and will be officially released in the third quarter.
The strategy is to distribute the 'WD Blue 3D NAND SATA SSD' and 'SanDisk Ultra 3D SSD' by dividing the brands according to the target while maintaining the same performance.
Western Digital has established brand recognition in the hard disk drive (HDD) market. With the market shifting towards SSDs, the company acquired SanDisk, a NAND flash company, last year, further strengthening its competitiveness in the storage market.
Park Gil-seon, Sales Manager, said, “We first launched SSD under the name of Western Digital in November last year. As of August, it is maintaining its second place after Samsung,” he said. “I think it is thanks to the influence it had in the existing market and the expectations and trust consumers have for the brand.”
He emphasized, “There is not much difference in sales figures compared to Samsung,” and “WD products are used everywhere, not only by general users but also by PC assemblers and the procurement market.”
Western Digital plans to target the domestic market with 64-layer 3D NAND. "While 3D NAND wasn't as productive as 2D, 64-layer NAND has improved efficiency and lowered costs," said Vice President Shim. "This is the first product to support 64 layers. NAND flash will only be meaningful when all brands support 64 layers or more."
The recent NAND flash market has seen 2D NAND reach its limits as the continued reduction in NAND die size from 15nm becomes impossible and cell density increases. The shift to 3D NAND enables high capacities ranging from 250GB to 2TB in a small form factor. Furthermore, with an endurance of 500TBW, it ensures continuous and stable operation. Reduced power consumption and maximum physically possible SATA performance.
The WD Blue 3D NAND SATA SSD and SanDisk Ultra 3D SSD are available in capacities of 250GB, 500GB, 1TB, and 2TB, with sequential read and write speeds of up to 560MB/s and 530MB/s, respectively. Durability ranges from 100TBW to 500TBW, depending on capacity, and the warranty period is three years.
The two brands differ in their distribution channels. The WD Blue 3D NAND SATA SSD is primarily targeted at system developers, high-performance PC DIY users, casual gamers, and content creators, and will be distributed through resellers, distributors, system integration (SI), and online malls. The SanDisk Ultra 3D SSD is primarily targeted at upgraders seeking faster systems, and will be sold through both offline and online malls.
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