https://qa.answers.com/games-qa/What_size_hard_drive_does_ps3_model_CECH-2101B
What size hard drive does ps3 model CECH-2101B? - Answers
It is a 320 GB model produced from September 2010 until August 2011 when it was replaced by the 320 GB model CECH-3001B
hard drivesizemodelcechanswers