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In the list those manufacturers that also produce hard disk drives or flash memory are identified. Additionally, the type of memory used in their solid-state drives is noted. This list does not include the manufacturers of specific components of SSDs, such as flash memory controllers. [1]
Arm Ltd. (sells designs only) Amazon (AWS Graviton is ARM-based); Apple Inc. (ARM-based CPUs) Broadcom Inc. (ARM-based, e.g. for Raspberry Pi) Fujitsu (its ARM-based CPU used in top supercomputer, still also sells its SPARC-based servers)
Micron Technology, Inc. is an American producer of computer memory and computer data storage including dynamic random-access memory, flash memory, and solid-state drives (SSDs). It is headquartered in Boise, Idaho. Micron's consumer products, including the Ballistix line of consumer & gaming memory modules, are marketed under the Crucial brand.
DDR4 is not compatible with any earlier type of random-access memory (RAM) due to different signaling voltage and physical interface, besides other factors. DDR4 SDRAM was released to the public market in Q2 2014, focusing on ECC memory , [ 6 ] while the non-ECC DDR4 modules became available in Q3 2014, accompanying the launch of Haswell-E ...
In computing, serial presence detect (SPD) is a standardized way to automatically access information about a memory module.Earlier 72-pin SIMMs included five pins that provided five bits of parallel presence detect (PPD) data, but the 168-pin DIMM standard changed to a serial presence detect to encode more information.
The Crucial X8 is an external solid-state drive (SSD) released by Crucial, a subsidiary of Micron Technology. It was released in 2019 and is the first portable flash storage device to be released by Micron after it sold off its previous subsidiary Lexar in 2017.
The documentation of modern memory modules, such as the standards for the memory ICs [8] and a reference design of the module [9] requires over one hundred pages. The standards specify the physical and electrical characteristics of the modules, and include the data for computer simulations of the memory module operating in a system. [10]
Compared to DDR2 memory, DDR3 memory uses less power. Some manufacturers further propose using "dual-gate" transistors to reduce leakage of current. [10]According to JEDEC, [11]: 111 1.575 volts should be considered the absolute maximum when memory stability is the foremost consideration, such as in servers or other mission-critical devices.