I'm using a mechanical hard drive for my desktop, and looking at the price of AoT memory 32G costs 400, why is it so expensive, don't all the other SSDs cost more than 300 for 128G?

It should be too fast to read and write!

Amidst the memory, although the name of the memory Memory, it is not the traditional sense of DDR3/DDR4 memory, but based on 3DXpoint technology a low-latency "M.2 NVMe SSD", the appearance of the same with the ordinary M.2 SSD, M.2 SSD interface, connected to the motherboard M.2 socket. M.2 SSD interface and connects to the M.2 slot on the motherboard. Currently, the product is quoted at $400 at the distributor Guangzhou Yisheng Digital Technology Co.

Intel Optane Pride (32GB) Product Positioning Consumer Storage Capacity 32GB Interface Type M.2 PCIe Interface (NGFF) Hard Disk Size 22×80mm Read Speed 1350MB/s Write Speed 290MB/s 4K Random Read 240,000 IOPS 4K Random Write 65,000 IOPS Power Consumption Operating: 3.5 W, Standby: 900mW-1.2W Mean Time Between Failures1.6 million hours Shock Resistance1500G Form Factor22×80mm Operating Temperature0-70°COther PerformanceSupport Intel Fastboot Technology, End-to-End Data Protection, Temperature Monitoring and LoggingWarranty Period5 Years