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SATA to USB adapter using Xbox data transfer cable

Picture of SATA to USB adapter using Xbox data transfer cable
This instructable will show you how to transform a normal Xbox data transfer cable into a full SATA to USB cable.

Added bonus: It will still work as an Xbox data transfer cable after we are through!
 
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Step 1: Parts List

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You will need:

1. A 12v Switching Power supply capable of 1A.
2. A power plug that fits said power supply
3. A piece of wire (about 3.5" long)
4. An Xbox data transfer cable
5. A full size SATA hard drive
6. A hot glue gun with a stick of glue ready
7. tin snips or pair of heavy duty scissors
8. A little time
9. (optional) patience

Step 2:

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A note on the power supply and plug.

I have stressed the word switching as it is very important. A normal "wall wart" is an unregulated voltage source. It will put out the correct voltage ONLY when it has about 50% to 60% of the rated amperage being pulled from it. Output voltage will also fluctuate with the line voltage. For a hard drive this spells disaster. A hard drive needs a REGULATED and CONSTANT voltage.

It's always a good idea to make sure the plug fits the power supply! XO

Step 3:

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The two halves of the data transfer cable are glued together. I used a flat head screwdriver to split them apart. Be gentle.

Step 4:

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You will have to remove the circuit board and the shielding case from the rest of the case for this step. Remove enough shielding material to accommodate the new power plug. Only take as much as you need to accommodate the plug but leave enough to solder to the plug negative pin. 

Step 5:

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Next put the shielding back into the outer case, making sure to notch the outer case for the plug.

Now we are going to solder a wire to pins 13, 14, and 15. Make sure the solder hasn't bridged any other pins. Also, make sure to select a wire that can handle 1A of current at 12V. 24 or 26 gauge should be sufficient. Leave enough wire to reach the plug and then add about a half inch.

Step 6:

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Fit the power plug in the case, solder the negative pin from the power plug to the shielding, solder positive pin to the wire.

Then, hold the plug down where you want it, and hot glue it all down!

Step 7:

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Viola! Snap it back together, add a little glue to hold it together, and take a step back to enjoy your handiwork!

You did it! You rescued something that would have normally been condemned to the dark reaches of your junk drawer to something that could be useful everyday!