below is the spec of the PS3.
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Cell Processor PowerPC-base Core @3.2GHz
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256MB XDR Main RAM @3.2GHz 256MB GDDR3 VRAM @700MHz
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Detachable 2.5" HDD slot x 1
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USB Front x 4, Rear x 2 (USB2.0)
to see more in finer details, click here.
http://ps2.gamespy.com/articles/614/614972p3.html