Many different PS3 consoles have been made and they are identified by the model number. So a Model number for the PS3 is not a single number, but a method to identify which PS3 model it is. The following chart of different PS3 models does not include the new PS3 160GB and 320 GB models, but does include most of the others that were sold retail and is available at the related link for PS3 support:
PlayStation 3 modelsOriginal Hard Drive Capacity
Model Number
USB Ports
PlayStation 2 Software Compatible
Release Date
In Production
250GB
CECH-2101B
2
No
May 2010
Yes
120GB
CECH-2101A
2
No
May 2010
Yes
250GB
CECH-2001B
2
No
November 2009
Yes
120GB
CECH-2001A
2
No
September 2009
Yes
160GB
CECHP01
2
No
November 2008
No
80GB
CECHL01
2
No
October 2008
No
80GB
CECHK01
2
No
August 2008
No
80GB
CECHE01
4
Yes
August 2007
No
60GB
CECHA01
4
Yes
November 2006
No
40GB
CECHH01
2
No
March 2008
No
40GB
CECHG01
2
No
November 2007
No
20GB
CECHB01
4
Yes
November 2006
No
Other PS3 models also exist and some can be identified from the PlayStation 3 Secrets related link which includes models that were not offered for retail sale, but have actually shown up for sale at auction sites like Ebay
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