2 x 5.51" - 1800 rpm - Socket R LGA-2011, Socket B LGA-1366, Socket H2 LGA-1155, Socket H LGA-1156, Socket FM1, Socket AM3 PGA-941, Socket AM3+, Socket AM2 PGA-940, Socket AM2+ PGA-940 Compatible Processor Socket
- Well designed blades and shroud allow the air to flow at 2 x 106.2 CFM over the entire surface to enable effective cooling
- Fully compatible with standard processors