This thing about the 40GB's not playing SACD's came up again. here.
http://www.avsforum.com/avs-vb/showthread.php?t=926313
"So What's the Difference?" The PS3 sku thread.
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With the introduction of the new 40gig PS3 sku, more and more people keep asking what the differences are between the different skus (other than price, of course). Instead of starting new threads on the topic a handful of times a day, I thought it might be useful to have a single thread devoted to the issue. We could also update it as inevitable new SKU's get announced (or as corrections are needed, or with non-North American sku's). These are only the basic tech specs, so I've included no pricing information or pack-ins (games, movies, controllers, cables, etc.).
So here are the SKU's past and present:
All sku's include:
-Ethernet input
-Blu-Ray player
-HDMI output
-TOS optical output
-Proprietary component/composite output
-Bluetooth
-Will read: CD-ROM/R/RW, DVD-Video, DVD-ROM/R/RW/+R/+RW, BD-Video, BD-ROM/R/RE
-Supported Media Types (as of firmware update 1.93):
---Video: (?)
---Music: (?)
---Images: (?)
Specific to NTSC 60gig version (no longer in production):
-60gig HDD
-Wi-Fi
-PS2 Emotion Engine & Graphics Synthesizer chips (over 90% backwards compatability with PS1/PS2 games)
-Memory Card readers (SD, memory stick, compact flash)
-4 USB ports
-Will also read SACD
Specific to NTSC 20gig version (no longer in production):
-20gig HDD
-No wi-fi
-PS2 Emotion Engine & Graphics Synthesizer chips (over 90% backwards compatability with PS2/PS1 games)
-No memory card readers
-4 USB ports
-Will also read SACD
Specific to NTSC 80gig version:
-80gig HDD
-Wi-Fi
-PS2 Graphics Synthesizer Chip (over 80% backwards compatability with PS2/PS1 games)
-Memory Card readers (SD, memory stick, compact flash)
-4 USB ports
-Will also read SACD
Specific to NTSC 40gig version (to-be-released 11/2/07):
-40gig HDD
-Wi-Fi
-No memory card readers
-No PS2 chips (only backwards compatability with PS1, not PS2)
-2 USB ports
-No SACD capability
Specific to PAL 60gig version:
-60gig HDD
-Wi-Fi
-PS2 Graphics Synthesizer Chip (over 80% backwards compatability with PS2/PS1 games)
-Memory Card readers (SD, memory stick, compact flash)
-4 USB ports
-Will also read SACD
Specific to PAL 40gig version:
-40gig HDD
-Wi-Fi
-No memory card readers
-No PS2 chips (only backwards compatability with PS1, not PS2)
-2 USB ports
-No SACD capability