The SSD with U.2 interface is commonly seen in enterprise application scenarios, while it is relatively rare used on individuals. You can also manually measure the distance from the socket port to the screw port. Generally speaking, the long one is good bcuase the increase of the available layout space is conducive to the SSD temperature control.īefore finishing your order of the SSD, please confirm that how long your computer motherboard supports.
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With the different lengths, their performance will also be affected. Of course, some ITX motherboards also use 2242 specification SSDs. The SSDs of 22 specification are mainly used in desktop motherboards, while 2242 specifications are mainly used in notebook. With the same width, different length, these SSDs have different usages. 22mm is a uniform width, 42, 60 and 80 are in different lengths. In these three parameters, 2280 represents the longest M.2 SSD specification. There is a 2260 specification 22 x 60 (mm) between 22. In short, if there is a gap on the left of the slot opening, it supports B key SSD If the gap is on the right, it supports M key SSD.ī key SSD can be installed on M key interface, but M key SSD can only be used on M key interface.įundamentally, 22 only represent the size of the SSD. The M.2 interface has two versions, B key (Socket 2) and M key (Socket 3), the M key SSD is faster than B key. Please refer to the relevant instructions for details. When some motherboards are plugged into M.2 NVMe SSD, the second graphics card slot will strike. Users can choose it based on their demands and the budget. You can add heat sink to prevent the SSD from off speed and stuck.Ĭompared with SATA SSD, the price of M.2 NVMe SSD is more expensive. Some SSDs come with their own heat sink, some do not. M.2 NVMe SSD has the high reading and writing speed, high iops and high integration degree. Compare to SATA 3 SSD, the M.2 NVMe SSD's transfer speed can over 1000MB/s easily. This information will be labeled on the packaging box by manfacturers. The NVMe protocol M.2 SSD in the market usually uses PCI-E *4 transmission channel. The PCI-E channel and the NVMe protocol often work together, the lack of either one will slow down the SSD.
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The M.2 interface of PCI-E channel & NVMe protocol For details, please refer to the relevant instructions.Ģ. Besides, two SATA interfaces will strike after some motherboards are plugged in M.2 AHCI SSD. Compared with SATA SSD, it has little advantage except there is no connection cable. Unless the motherboard restrictions, generally, we do not recommend the M.2 AHCI SSD. In general, some new motherboards with SATA channel M.2 SSD interface have compatibility problems with the current using in some laptops. It's limit reading speed is 700MB/s, writing speed is 500MB/s. In fact, it is the SATA SSD with M.2 interface. The SSD of this interface is generally called M.2 AHCI SSD. But for the man who pursuit the perfect cable layout, SATA interface SSD will bring some troubles with more cables.
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Also, its heat dissipation effect is very considerable. SATA 3.0 interface SSD can fully cope with daily use. Even so, in the most tests of SSD performance, it has quite high 4K read-write capability on this interface. It has 6Gb / s’s bandwidth and the theoretical limit read-write speed is nearly 600MB/s.
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The interface of SATA3.0 is more popular than that of others. It can be divided into SATA 1.0, SATA 2.0 and SATA3.0 but all of their appearance are the same. SATA interface is currently the most common SSD interface.
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Summary: Now more and more people prefer to upgrade their computer by themselves.