Available in November 2004, it is smaller and thinner than the old version and includes a built-in Ethernet port.
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.
Sony has also made a PVR/DVD burning consumer device that plays PlayStation 2 games called the PSX.
When the PlayStation 2 launched in America in October 26, 2000, Sony sold 510,000 units within the first 24 hours.
As of V4 everything was unified into one board, except the power supply.
After an apparent manufacturing issue caused some initial slowdown in producing the new unit, Sony reportedly underestimated demand, caused in part by shortages between the time the old units were cleared out and the new units were ready.
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.
Although Sony placed little emphasis on online gaming during its first year, all that changed because of the launch of the online-capable Xbox.
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.
In September 2004 Sony unveiled the third major hardware revision (V12, model number SCPH-70000).
When it was released, the PS2 had many advanced features that were not present in other contemporary video game consoles, including its DVD capabilities and USB and IEEE 1394 expansion ports.
