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Are parallel interfaces faster than serial interfaces?

April 26, 2017faster interfaces parallel serial

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Are parallel interfaces faster than serial interfaces?

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In the past, parallel interfaces were preferable because their multiple data paths enabled greater throughput than the single data path of serial interfaces. However, recent advancements in VLSI technology have enabled serial transfer rates to make a huge leap forward, without the complex timing issues that hinder further parallel interface development. Compared to parallel SCSI, Serial Attached SCSI features higher throughput now and greater potential for advancement in the future.