Today, Intel announced two solid-state drives applicable to the data center: P4500 and P4600, which is the most important update for its enterprise PCIe SSD product lineup since the first NVME SSD. The series that will be introduced will contain a half-half-long card-type card and U.2 interface 2.5-inch-morphological product that capacity is 1TB, 2TB, 4TB.
According to Intel official introduction, P4500 and P4600 are the successive products of Intel P3600 and P3700 series. The P4500 and P4600 bring a range of performance improvements through a new SSD controller and 3D NAND flash memory, for example, 3.3 times higher than the previous generation.
At present, most Intel PCIe SSD still use 20nm mlc NAND flash, although P3500 replaces P3520 with Intel 3D MLC, the P4x00 series products will use Intel's 32-layer 3D TLC NAND flash memory. The capacity per chip capacity is 384 GB (48GB) compared to 128GB (16GB) of Intel 20nm MLC. Therefore, two new products have greatly improved the capacity to: P3x00 products increase from 400GB to 2TB, new P4500 and P4600 from 1TB, initially provide up to 4TB, which is expected to have an 8TB model at the end of the year.
In fact, since SLC was eliminated by the market, the enterprise SSD used MLC Nand in the past few years, but from the current market, MLC Nand has been transformed into 3D TLC NAND. 3D NAN has a lot of advantages, such as increasing durability and reduces power consumption, but most importantly, it provides lower pricing and higher density. The DC P4600 and P4500 are the first 32-bit TLC NAN with Intel 384GB chips.
It is understood that these two new products are integrated with Intel NAND, controllers, firmware, and components, and their controllers have 12 channels (4 CEs per channel) for connecting flash memory, although lower than the previous generation controller 18 channels, but still much higher than the number of channels of the NVME controller of the client / facing consumers; in addition, there is a substantial increase in speed: read up to 3280MB / s, write to 2100MB / s, 4K random Read 702.5k IOPS, write 257K IOPS.
Intel also said that the new controller is more scalable than the previous generation, so we are likely to see higher capacity on the same platform in the future.
Of course, in Lei Feng.com, P4500 and P4600 maximum new features still fully support NVME management interface standards, which allows for IPMI to fully access the drive's SMART data and firmware update through BMC, without considering running on the server How is the operating system.
It is worth noting that in October 2015, Intel announced the investment to build Dalian FAB68 factory and transferred 3D NAND, and now Intel has already planned to expand the FAB68 factory in China to expand the supply of 3D NAND to meet the final user's storage needs.
This article Original Address: https://www.eeboard.com/news/3d-tlc-nand/
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