MiniSAS: Connectors that comply with the Mini-SAS 2.0 specification, such as SFF-8087 and SFF-8088. SFF-8087 is an internal connector, and sff 8088 is an external connector. These connectors usually use fewer pins (mini sas 36p sff-8087 and mini sas 26p sff-8088), and are mainly used to implement Mini SAS internal or external interconnection solutions.
HD MiniSAS: High-density mini sas hd connectors, such as sff 8643 and sff 8644. These connectors use more pins (both 36 pins) to support higher data transfer speeds and more channels. SFF-8643 is an internal connector, and hd sff 8644 is an external connector.
Data transfer speed
MiniSAS: Complies with Mini-SAS 2.0 specifications and supports data transfer speeds up to 6Gb/s. It can support up to 4 ports (4 channels) of SAS data.
HD MiniSAS: Complies with SAS 3.0 specifications and supports data transfer speeds up to 12Gb/s. It can support up to 4 ports (4 channels) of SAS data.
Application Scenario
MiniSAS: Due to its data transmission speed and Mini SAS connector design, sff-8087 sff-8088 can be used for applications that require certain data transmission capabilities, such as some mid- and low-end servers and storage devices.
HD MiniSAS: Due to its higher data transmission speed and more channel support, sff 8644 sff 8643 is more suitable for application scenarios that require high-speed data transmission and large amounts of data processing capabilities, such as high-end servers, data centers, etc.
MiniSAS and MiniSAS HD have obvious differences in connector type, data transmission speed, application scenarios, and compliance specifications. For application scenarios that require high-speed data transmission and large-scale data processing capabilities, HD MiniSAS is a better choice; while for some mid- and low-end applications, MiniSAS may be a more suitable choice.
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