The NVMe standards organization has released the latest NVMe 1.3 standard on May 1, 2017, bringing many new features to the consumers and servers such as device self tests, booting partitions, sanitization, virtualization, directives and streams, and so on.

This article briefly introduces the types and storage mode of ROM and RAM. Take S3C2440 memory Bank as an example, introducing the internal structure and working principle of SDRAM.

The new type of DRAM breaks the refresh limitation with VLT technology, which can reduce the cost and complexity of DRAM, and doesn’t need new materials and technology. This article compares it with traditional DRAM and LPDDR4 to illustrate the difference between them, and this technology can be used on LPDDR4 without distinction.

This article is about how to choose a good memory card. It introduces the classification and tells us how to distinguish the transmitting speed and capacity limit of memory cards. In the end, it introduces the different uses of those memory cards

The USB 3.2 standard is released, which means the transmitting speed can be doubled with existing cables. Using USB 3.2 host to connect with USB 3.2 storage devices could achieve data transmission speed of 2 Gb/sec and realize seamless conversion between single and double channels when operating.

The solid-state disk is a major advance in the history of storage technology. This article briefly introduces the composition, related technology and usage skills of SSD. And the speed of SSD far exceeds hard disk drive, mainly thanks to the internal components: controller, flash memory and firmware algorithm. And it introduces the importance and functions of three components. If users have a bett...

This article is a detailed analysis of SSD Trim. It includes the development history and the cause of its birth. In addition, the appearance of SSD Trim improves the usage efficiency and user experience.

This article illustrates the significance and difference of the latest UHS-III, A2 and LVS standard. Among them, A2 needs memory card to achieve 4000 IOPS random reading speed and 2000 IOPS writing speed, UHS-III supports the speed of 624 MB/s, which aimed at satisfying the demand of SLR cameras and hand-held devices, and LVS standard is for people in low signal voltage circumstances to use.

SD Express extends the capacity of memory card to 128TB, and also brings a transmitting speed of 985MB/s. In addition, it adds PCI Express and NVMe interface, which can support devices of different shapes. The innovation of SD 7.0 standard would satisfy upcoming requirements of applications, which extremely desire for speed and capacity.

This article mainly compare synchronous interface with asynchronous interface. Generally, the asynchronous is faster than the synchronous in transmission rate.In addition, the asynchronous interface has no clock, each data read is triggered by a RE_n signal, and each data write is triggered by a WE_n signal. The difference is that the synchronous interface has a clock signal, data read-write synch...