Translated information from that source:
PS4 size: 30,5 x 27,6 x 5,4 cm
Weight: 2764g
Controller: 214g
PS4 will accept standard 2,5" SATA HDDs like the PS3. But while the PS3 only accepted HDD up to 9.5mm height, PS4 will also accept 12.5mm weight HDDs.
Their dev-kit PS4 uses a 500GB, 5400RPM Western Digital drive.
PS4 plays DVDs and Blu-Rays just like the PS3, but it will not play Audio-CDs at release; that feature will come as an update later
21 seconds for booting
0.815 sone after 10 minutes, 0.83 after 60
They say that in menu mode, the PS4 couldn't be heard at all, unlike the PS3
The hard disk is held by a nice "Playstation screw" - all other screws are special screws that require special tools to open
Nothing extremely interesting in there so far, I guess.
