What type and size Media Card can I use in the 8100 / 8300 / 8800?

From BlackBerryFAQ

• The 8300 uses a microSD card. The largest size you can use is 4gb
• The 8100 / 8800 uses a microSD card. The largest size you can use is 2gb

Note: Some users have reported success using a 4GB MicroSD HC (HighCapacity) in the BB8800. You need recent software version (4.2.2)