PCIe 4.0 SSD With Chinese 128L 3D TLC NAND Hits 7.5 GBps



Asgard, a Chinese memory and storage manufacturer, has announced the company’s first PCIe 4.0 SSD. With its blazing speed, the AN4 could easily rival some of the best SSDs that are currently on the market.

The AN4 is based on Innogrit’s IG5236 Rainier controller and YMTC’s 128-layer 3D TLC (triple-level cell) NAND chips. YMTC (Yangtze Memory Technologies Co., Ltd) produces the 128-layer TLC NAND with the company’s proprietary Xtacking 2.0 technology. The process consists of producing the interconnects and NAND stacks on separate wafers. YMTC then fuses the wafers together by aligning the millions of little holes with an optical system.



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