How fast is the PlayStation 2 HDD?
The maximum transmission speed is 66 MB/sec according the PS2 HDD manual – which is 5400 RPMs. The same speed of a decent laptop drive. In comparison, almost all desktop PCs have hard drives with 7200 RPMs. Some PC hard drives even go up to 10000 RPMs. With that said, 5400 RPMs is fast enough for the PlayStation 2.