Asus Nidec System Fan For TS500-E6/PS4 - V80E12BS1A5-07 Manufacturer: Nidec UltraFlo Model: V80E12BS1A5-07 T12 0109G EA , 12V ~ 0.9A - 80x80x38mm Compatible Models: TS500-E6, TS500-E6/PS4, TS700-E6, TS700-E6/RS8, RS520-E6, RS520-E6/ERS, RS720-E6, RS720-E6/RS12,