is convex on the left side when vertical (on the top side is convex when horizontal), and has a glossy black finish with a PlayStation logo on the left.  Playstation designers Teiyu Goto stated that Spider-Man font - inspired logo "was one of the elements [SCEI president Ken Kutaragi] decided, and the logo may have been motivating forces behind the form of a PS3." PlayStation 3
is equipped with a slot-loading 2x speed Blu-ray Disc drive for games, movies Blu-ray, DVD, CD, and optical media.  It was originally available with hard drives of 20 and 60 GB (60 GB model is only available in PAL regions).   An 80 GB model that was introduced in NTSC regions,  and the 40 GB model has been introduced in all regions.   All PS3 models have user upgradeable 2.5 "SATA hard drive. PlayStation 3
IBM designed Cell microprocessor as the CPU, which consists of a 3.2GHz PowerPC-based "Power Processing Element" (PPE) and eight synergistic Processing Elements (SPEs).  the eighth SPE is disabled to improve chip results.   Only six of the seven SPEs are accessible to developers as the seventh SPE is used by the OS.  Graphics processing is handled by NVIDIA RSX 'Reality synthesizer', which can output resolutions from 480i/576i SD up to HD 1080p. that have 256 MB of XDR main memory and 256 MB of GDDR3 video memory for the RSX. PlayStation 3
system has bluetooth 2.0, gigabit Ethernet, USB 2.0 and HDMI 1.3a which was built at the time all of this model.  Wi-Fi network is also built-in on 40, 60 and 80 GB models while the flash card reader (compatible with Memory Stick, SD / MMC, and CompactFlash / Microdrive media) is on the built-in 60 GB and 80 GB models CECHExx.   The system supports up to 7 controllers connected via Bluetooth technology 2.0. 
The PS3's hardware has also been used to build supercomputers for high-performance computing.  Terra Soft Solutions has a version of Yellow Dog Linux for PlayStation 3
,  and sells PS3s with Linux pre-installed,  in one unit, and 6 and 32 node groups.  In addition, RapidMind is pushing their stream program package for the PS3.  In addition, on 3 January 2007, Dr. Frank Mueller, Associate Professor of Computer Science at NCSU, clustered 8 PS3s. Mueller commented that 256 MB of system RAM is a limitation to a particular application, and try to consider retrofit more RAM. Software includes: Fedora Core 5 Linux ppc64, MPICH2, OpenMP v 2.5, and GNU Compiler Collection CellSDK 1.1.   
On 22 March 2007, SCE and Stanford University released in the Folding @ home project for the PlayStation 3.  This program allows PS3 owners to lend the computing power of their consoles to help study the physical process of protein folding.
Sony PlayStation 3 has included the ability for the operating system, referred to as System Software, which will be updated.  the update can be downloaded from the PlayStation Network directly to the PS3
and then installed or downloaded from the official PlayStation website to a computer, transferred to portable storage media, and then installed on the system. Updates can also be installed from game discs that require the update to run the game. PlayStation 3
which also includes the ability to install other operating systems,  such as Linux.