ID Your iPod - iFixit

iPod Touch (2nd Gen.) Model: A1288 Feature: Internal speaker Capacities: 8, 16, 32 GB Color: Black Touch (2nd Gen.)	iPod Touch (1st Gen.) Model: A1213 Feature: Touchscreen Capacities: 8, 16, 32 GB Color: Black Touch (1st Gen.)	iPod Classic Model: A1238 Feature: Metal front Capacity: 80, 120 GB Thicker drive: 160 GB Colors: Silver, Black iPod Classic	5th Generation (Video) iPod Model: A1136 Feature: Plays videos Capacity: 30 GB Thicker drives: 60, 80 GB Colors: White, Black, Black/Red (U2) 5th Gen./Video
Photo/Color iPod Model: A1099 (HP Models: MP7001, MP7002) Feature: Color screen Capacities: 20, 30 GB Thicker drives: 40, 60 GB Color: White, Black/Red (U2) Photo/Color	4th Generation iPod Model: A1059 (HP Models: MP102, MP103) Feature: The wheel doesn't turn, and can be clicked Capacity: 20 GB Thicker drive: 40 GB Color: White, Black/Red (U2) 4th Gen.	3rd Generation iPod Model: A1040 Feature: Buttons above the wheel Capacities: 10, 15, 20 GB Thicker drives: 30, 40 GB Color: White 3rd Gen.	2nd Generation iPod Model: A1019 Feature: The wheel doesn't turn, and is surrounded by buttons Capacity: 10 GB Thicker drive: 20 GB Color: White 2nd Gen.
1st Generation iPod Model: M8541 Feature: The wheel physically turns Capacities: 5, 10 GB Color: White 1st Gen.