The PlayStation 2 generation saw the arrival of numerous console models, some of which are little known even to the most ardent fans of the Sony brand. Let’s discover all the PS2 models that have come out and how to recognize them.
PS2 Fat
The first is obviously the original PlayStation 2 model, the one that in jargon is called ‘Fat’, due to its more generous dimensions compared to the one that arrived later. Over time, revised versions of this model were distributed, but the changes were mainly internal and it was therefore impossible to distinguish between them without looking at the model number. 
The first PS2 Fats to be different from the others were the V9 and V10 (i.e. the ninth and tenth revised models): in this case, the i.LINK port was removed and an internal infrared receiver was added, so that the official remote control could be used without resorting to an external receiver.
PS2 Slim
In September 2004, Sony revealed the PlayStation 2 Slim to the world, which went on sale just a month later. It was a much smaller console than its predecessor, and it was also quieter. The PS2 Slim also had an Ethernet port (and in some countries a modem), so you could connect to the Internet without having to resort to accessories sold separately. 
Among the drawbacks were the lack of a hard disk slot and the presence of an external power supply, due to the console’s small size. Even in this case, various versions arrived over time, but they did not present any changes that were evident to the naked eye, at least until July 2007. In that period, Sony began distributing a new model of PS2 Slim that weighed 300 grams less than the previous one and also an external power supply that was 100 grams lighter. In November of the same year, in Japan, another model with an integrated power supply also arrived, which had a total weight of 720 grams and a small difference on the upper body, since half was smooth and half rough.
PSX
Released exclusively in Japan in December 2003, PSX was a special PlayStation 2 that featured a DVD burner and recorder, as well as a USB port, a memory card reader, and two memory card slots. 
In addition to being white and much larger than the standard PS2, this device was the first to implement the XrossMediaBar, seen in other Sony consoles such as the PSP and PS3.
Audiovox VOD10PS2
Another very particular device was the Audiovox VOD10PS2, released in 2009. It was a PlayStation 2 equipped with a small 10.2-inch screen with a resolution of 800×480 pixels and designed to be used in the car during travel. 
Priced at $849.99, the package included the console with screen, a pair of wireless DualShock 2 controllers, two games, and two wireless headphones to enjoy titles on the go.
Sony BRAVIA KDL22PX300
Closing the section dedicated to the ‘special’ PlayStation 2 models we find the Sony BRAVIA KDL22PX300. 
Released in 2010, this 22-inch flat-screen television with 720p resolution support had a built-in PlayStation 2, complete with a disc tray.
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