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Information about cable, connector or adapter : Serial ATA [SATA]
Serial ATA [SATA]
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Category : All cables and connectors > Connectors > Computer > Harddrives >
Added to database : 2005-10-14 02:39:33
Description : The Serial ATA [SATA] bus is the serial version of the IDE [ATA] spec. SATA uses a 4 conductor cable with two differential pairs [Tx/Rx], plus an additional three grounds pins and a separate power pin. Data runs at 150MBps [1.5GHz] using 8B/10B encoding and 250mV signal swings, with a maximum bus length of 1 meter . Later enhancements move the data transfer speed to; 300MBps [3.0Gbps], then 600MBps [6.0Gbps]
![Serial ATA [SATA]](/connectors/sata_int.gif)
7 pin Serial ATA motheboard internal connector at the motheboard
Pinout :
| Pin | Name | Direction | Color | Description |
| 1 | Gnd | Ground | ||
| 2 | A+ | Transmit + | ||
| 3 | A- | Transmit - | ||
| 4 | Gnd | Ground | ||
| 5 | B+ | Receive - | ||
| 6 | B- | Receive + | ||
| 7 | Gnd | Ground |
Note : SATA signal names are with respect to the Host, the device connected to the host reverses the signal names. Transmit pins connect to Receive pins on the other device. The SATA connector is keyed at pin 1. These pin outs for the Serial ATA connector is not compatible with the legacy PATA connector
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