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One of the massive breakthroughs for computer hardware with modern and sophisticated memory capacity is the solid-state drive (SSD).
SSDs are highly recommended because not only are they fast in booting and system shut down, but all aspects of the system speed up as well.
As we all know that the Serial Advanced Technological Attachment (SATA) is both a connector (the physical connection between the computer and drive) and a bus interface (the protocol used to send data between the two).
In contrast, M.2 is only a connector, which connects to the Peripheral Component Interconnect Express (PCIe) bus interface.
The NVMe (Non-Volatile Memory Express) is a technology used for storing data. It connects to the PCIe bus interface through the M.2 connector.
This leaves you with various options: you can either get an M.2 drive that connects to the SATA bus instead of the PCIe bus – convenient but not enough speed.
Or get an NVMe drive that connects to the PCIe bus – get all the speed and latency benefits that come with that.
Therefore, if you need to buy a high performance and low latency drive, ensure to get an M.2 NVMe SSD from a reputable manufacturer.
A Brief About NVMe SSDs
NVMe is an optimize scalable controller software interface that utilizes PCIe based SSDs. It standardizes emphasis on security, scalability, and low latency.
The standard development allows SSDs to perform at the capability speed of the flash memory, which is a fast read and write throughput.
NVMe SSDs allow flash memory passes through the PCIe bus interface due to its high bandwidth and direct attachment to the motherboard rather than via the limited speed of SATA.
The NVMe is more like an advancement to Serial SATA as it supports up to 64,000 commands per queue, but the protocol demands only 13 commands to express high performance.
No matter the form factor of an NVMe SSD, it connects directly to the computer motherboard through the PCIe interface rather than the SATA interface.
NVMe SSDs uses the PCIe interface, which has more advantage over the SATA interface, making the drive feasible in different usage scenarios.
Properties of NVMe SSDs
NVMe SSDs has the following properties:
The read and write speed of an NVMe SSD is 2000MB per second, way faster than the Serial ATA SSD III, whose speed limit is at 600MB per second.
The constriction of the SATA interface does not affect NVMe SSDs as it uses the PCIe interface, which connects directly to the computer motherboard.
Therefore, the input and output operation of NVMe SSDs are faster than other options.
2. Power efficiency
In standby mode, NVMe SSDs consume a low quantity of power. Some NVMe corporations have approved the L1.2 standby mode low-power consumption, which means the consumption of power will be below 2mW.
That is an extreme 97% reduction from the widely used 50mW of L1 power consumption.
NVMe directly connects with the computer motherboard and also works with other operating systems regardless of form factor.
4. The Performance
The work of an NVMe is to enable drives to benefit from the very same lane that connects them directly to the computer motherboard.
NVMe is highly scalable in performance, this is achieved by going beyond the normal four lanes that are present in most PCIe drives, and utilizing them for additional performance.
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