m.2nvme

Most M.2 SSDs are 22 x 80mm (W x L), but can be shorter or longer. You can tell what size an M.2 SSD is by reading the four or five-digit number in its name or on its printed-circuit board (PCB). The first two numbers are its width, while the others are its length (example: M.2 Type-2280). Having a longer SSD means more space for NAND chips but not necessarily more storage space. Below are common M.2 SSD sizes:

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m.2ssd

While 2.5-inch SSDs use the SATA bus, which debuted in 2000 and was originally geared toward hard drives, and add-in cards use the PCIe bus, which is faster and has more bandwidth than SATA, M.2 SSDs can go either way, depending on the product. Additionally, some of the fastest and best SSDs use the NVMe interface, which was made for rapid storage devices.

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M 2 form factorsnvme

In order to use an M.2 SSD in your gaming PC or laptop, you’ll need a motherboard with M.2 slots. Some motherboards have two or more M.2 slots, allows you to run your SSDs in RAID.

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So an M.2 SSD can be SATA-based, PCIe-based with NVMe support, or PCIe-based without NVMe support. An M.2 SSD with NVMe support offers up to five times more bandwidth than SATA M.2 models, bringing better performance in key tasks, such as file transfers, video or photo editing, transcoding, compression and decompression.

M.2 is a form factor for SSDs (solid-state drives) that’s shaped like a stick of gum. These SSDs are generally faster but more expensive than traditional, 2.5-inch SSDs.