SSD and NVMe are two different terms that are often used to describe storage devices. SSD stands for solid-state drive, which is a type of data storage medium that uses flash memory and has no moving parts. NVMe stands for non-volatile memory express, which is a protocol that allows SSDs to communicate with the computer faster and more efficiently.
The main difference between SSD and NVMe is the interface they use to connect to the computer. SSDs can use either SATA or PCIe interfaces, while NVMe drives use only PCIe interfaces. SATA is an older and slower interface that was originally designed for hard disk drives, while PCIe is a newer and faster interface that was designed for expansion cards.
The speed difference between SSD and NVMe depends on the type of interface and the performance of the individual models. Generally speaking, NVMe drives are faster than SATA SSDs, because they can transfer more data in a shorter time. According to some benchmarks²³, NVMe drives can reach sequential read/write speeds of up to 3,500/3,200 MB/s, while SATA SSDs typically reach speeds around 550/520 MB/s. However, not all NVMe drives are the same, and some may have lower speeds or higher latency than others. The speed difference also depends on the generation of PCIe interface, as PCIe 4.0 can offer twice the bandwidth of PCIe 3.0².
The speed difference between SSD and NVMe may not be noticeable for everyday tasks, such as web browsing or document editing, but it can make a significant difference for applications that require high-performance and low-latency storage, such as gaming, video editing, or data analysis. NVMe drives are also more suitable for smaller and thinner devices, such as laptops or tablets, because they have a smaller form factor and do not require any cables. However, NVMe drives are also more expensive than SATA SSDs, due to their advanced technology and higher performance. Therefore, the choice between SSD and NVMe depends on the user's needs, budget, and system compatibility.
Source:
(1) NVMe vs. M.2 vs. SATA SSD: What’s the difference? | PCWorld.
https://www.pcworld.com/article/558324/nvme-vs-m-2-vs-sata-ssd-whats-the-difference.html.
(2) NVMe vs. SSD: What's the difference? | Digital Trends.
https://www.digitaltrends.com/computing/nvme-vs-ssd/.
(3) NVMe 2.0 Explained! NVMe 1.0 vs NVMe 2.0.
https://www.youtube.com/watch?v=SpuKTKzq9t4.
(4) Nvme Vs Ssd Speed Test: Which Is Faster for Your System? - Drives Hero.
https://driveshero.com/nvme-vs-ssd-speed-test/.
(5) SSD vs NVMe: Difference and Comparison.
https://askanydifference.com/ssd-vs-nvme/.
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