1. Integrated Drive Electronics (IDE) : IDE is an interface standard introduced in the year 1986. It is for connection of storages devices such as Hard Disk Drives (HDD), Solid State Drives (SSD) and CD/DVD drives to the computer. In IDE data transfer speed ranges from 100 MB/s to 133 MB/s. It is a parallel connector. It gives a slower performance and does not support of hot plugging. It is an older concept. 2. Serial Advanced Technology Attachment (SATA) : SATA is a computer bus interface or standard hardware interface introduced in the year 2003. It connects hard drives, Solid State Drives (SSD) and CD/DVD drives to the computer. In SATA data transfer speed ranges from 150 MB/s for SATA I and 300 MB/s for SATA II. It is a serial connector. It gives a faster performance with support of hot plugging. It is a newer concept. SATA cables are better than IDE.
Difference between IDE and SATA :
| S.No. | IDE | SATA |
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| 01. | Integrated Drive Electronics in short referred as IDE. | Serial Advanced Technology Attachment in short referred as SATA. |
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| 02. | IDE is an interface standard for connection of storages devices such as Hard Disk Drives (HDD), Solid State Drives (SSD) and CD/DVD drives to the computer. | SATA is a computer bus interface or standard hardware interface which connects connecting hard drives, Solid State Drives (SSD) and CD/DVD drives to the computer. |
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| 03. | IDE has been introduced in the year 1986. | SATA has been introduced in the year 2003. |
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| 04. | It does not support hot plugging (i.e adding/removing component while the computer is running). | It supports hot plugging (i.e adding/removing component while the computer is running). |
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| 05. | In IDE data transfer speed ranges from 100 MB/s to 133 MB/s. | In SATA data transfer speed ranges from 150 MB/s for SATA I and 300 MB/s for SATA II. |
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| 06. | Here IDE cables are wide and can be up to 18 inches long. | Here SATA cable can be narrow and can be up to 39 inches long. |
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| 07. | Integrated Drive Electronics is an older standard. | Serial Advanced Technology Attachment is a newer standard. |
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| 08. | IDE drives are slower than SATA drives. | SATA drives are faster than IDE drives. |
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| 09. | It is a parallel connection. | It is a serial connection. |
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| 10. | The cables are difficult to install since there are jumpers. | The cables are easier to install since there are no jumpers. |
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| 11. | It has a single cable for data and power. | It has data and power cable on different sides. |
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| 12. | As it is wide, hence it will not allow free air flow. | As it is narrow, hence it will allow free air flow. |
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