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)