Connectivity
The PlayStation 3 has underwent several minor connectivity changes since it was first introduced in 2006, some of which have been carried over into the new system.
Previous PS3s
* USB Ports: 2 (4 on PS3 80GB [2007], 60GB [2006], 20GB [2006])
* Wi-Fi: Yes (Except 20GB [2006])
* Flash Card Reader: No (Except 80GB [2007] and 60GB [2006])
PS3 "Slim" (CECH-2000)
* USB Ports: 2
* Wi-Fi: Yes
* Flash Card Reader: No
Previous PS3s
INTERNAL SPECS
* Processor: 90nm IBM Processor (2006 Models), 65nm (2007 – 2008 Models)
* Removable HDD: Yes
* HDD Capacity: 20GB/60GB (2006), 40GB/80GB (2007), 80GB/160GB (2008)
* Power Consumption: 380w (2006 – 2007), 280w (2008)
* PS2 Backwards Compatibility: 20GB/60GB (2007), 80GB (2007)
* PS1 Backwards Compatibility: Yes
PS3 "Slim" (CECH-2000)
* Processor: 45nm
* Removable HDD: Yes
* HDD Capacity: 120GB
* Power Consumption: 260w
* PS2 Backwards Compatibility: No
* PS1 Backwards Compatibility: Yes
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