Ummm guys it is a kit, The Play station will be the same one you own. The HD is 40 gig

The following came from:

The kit for LINUX (FOR PLAYSTATION 2) includes:

Linux (for PlayStation 2) version 1.0 software
Monitor Cable Adaptor (for PlayStation 2)
Internal Hard Disc Drive (40 GB) (for PlayStation 2)
Network Adaptor (Ethernet) (for PlayStation 2)[10/100 Base-T]
USB Keyboard & USB Mouse (for PlayStation 2)

More info

8mb memory card

here is the kit.