Sony also confirmed the PlayStation 3, will use Blu-Ray discs as its 
media format. The discs can hold up to six times as much data as 
current-generation DVDs. It will also supporrd CR-ROM, CDR+W, DVD, 
DVD-ROM, DVD-R, DVD+R. It also confirmed the machine would be 
backwards compatible all the way to the original PlayStation. 

Sony also laid out the technical specs of the device. The 
PlayStation 3 will feature the much-vaunted Cell processor, which 
will run at 3.2 Ghz and feature 2.18 teraflops of performance. It 
will sport 256mb XDR main RAM at 3.2 Ghz, have 256MB of GDDR VRAM at 
700mhz, a detachable 2.5 inch HDD slot, six usb 2.0 ports, Memory 
Stick Duo, a SD slot, a compact flash memory slot, Compact flash 
slot, 2 hdmi outputs, 1 av multi out, 1 SPDIF optical output, and 1-
gigabit Ethernet built in port 


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