It is backwards compatible with older PlayStation (PS1) games, allows for DVD Video playback, and will play PS2 games off of cheap CD-ROMs or higher-capacity DVD-ROMs.
There is also now a V14 model (SCPH-75001) which contains an integrated EE and GS (disputed - see talk page) , and different ASICs compared to previous revisions, some chips having a copyright date of 2005 compared to 2000,2001 for earlier models.
It also has a different lens and some compatibility issues documented by Sony for earlier PS2 games.
It was not until late 2001 that the Microsoft Xbox became the second console with (non-standard) USB and DVD support.
These included a PCMCIA slot instead of the Expansion Bay (DEV9) port of newer models.
The PlayStation 2 holds the record of fastest selling video game console ever, 100 million PlayStation 2 units were shipped in only five years and nine months, shattering the previous record of nine years and six months by the PlayStation.
Developers also complained that it was difficult to develop for the system, with little in the way of reference material from Sony for its exotic architecture.
A product named HD Connect can be soldered into the unit giving hard drive support though.
Although Sony placed little emphasis on online gaming during its first year, all that changed because of the launch of the online-capable Xbox.
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For some consumers this is in fact a limitation, especially for the fans of titles such as Final Fantasy XI, which requires the use of this peripheral, and prevents the use of the official PS2 Linux kit.
However the New Slim Silver Models have more issues with playing PlayStation games than the first PS2 revisions.
It also has a different lens and some compatibility issues documented by Sony for earlier PS2 games.
The PS2 launch seemed unimpressive and gaffe-prone, compared to the well-planned launch of the Sega Dreamcast, which was making a genuine attempt to woo developers and which had better launch titles.
This led to further shortages, and the issue was compounded in Britain when a Russian oil tanker became stuck in the Suez Canal, blocking a ship from China carrying PS2s bound for the UK.
When the PlayStation 2 launched in Japan in March 2000, Sony sold 980,000 units over the opening weekend.
