RAID:
ST3000VX000-1ES166 CV26
ST3000VN006-3CW10G SC60
ST3000VN007-2AH16M SC60
ST3000VM002-1ET166 SC11

Non-RAID:
ST1000DM003-1SB10C CC43

Spares (last resort drives for the worst case scenarios):
ST3500413AS JC4B
WDC WD2500AAKX-753CA1 19.01H19
Hitachi HDS721680PLA380 P21OAB3A (this one's ancient)
HGST HTS725050A7E630 GH2ZB550
ST500LM021-1KJ152 0002LIM1 (these last two are 2.5" drives)

Planning to buy for RAID:
WD120EDAZ (no idea about the firmware)