What is scph-10240e?
It’s a usual black USB keyboard. Japan Version is 101-key. English Version is 104-keys (SCPH-10240E). September 20, 2001 for ¥4000. (but, It became a sales end before one is aware.) November 13, 2003 for ¥3500. (SCE was announced “NEW RELEASE!”.) It’s one of the Hard Disk Drive Unit (EXPANSION BAY type) accessories.
What is the SCPH-10020?
It’s bundled MemoryCard ( SCPH-10020 ). March 4, 2000 for ¥39800. It’s the controller for PlayStation2. All buttons (except L3 * R3 * START * SELECT buttons) is analog input. There is the following color variations.

What is scph-10280/scph-10281?
SCPH-10280 (Certification date: 01/10/10, Certification number: A01-0858JP ) SCPH-10281 (Certification date: 03/02/10, Certification number: A01-0858JP) However, it was not released in Japan, because SCE had promoted broadband service (PlayStationBB). It seems network peripherals. but, Details are uncertain. because it’s not announced.
What is the difference between scph-10350 and SCPH-30000?
The difference from SCPH-10350 is uncertain. It’s Hard Disk Drive Unit for SCPH-30000 series and SCPH-50000 series. It was sold on PlayStation.com since 19 July 2001 to 18 February 2002. ¥18000. It’s a set of peripherals that can do Linux by PlayStation2.