General data Model Pure Power 12 M 550W Continuous power (W) 550 Peak power (W) 600 Form factor Version 3.0 Form factor EPS 12V Version 2.92 Topology LLC + SR + DC/DC Digitally controlled – Voltage (Vac) 100 – 240 Frequency (Hz) 50 – 60 Input current (A) 10 / 5 Power factor at 100% load gt;0.98 Modern standby ✓ Power consumption in standby (W) lt;0.1 Average life time (h / 25°C) gt;100,000 Operating temperature up to (°C) 40 Fan and cooling technology Fan Silence-optimized be quiet! fan Fan size (mm) 120 Bearing technology Rifle Motor technology 4-pole fan motor Max. fan speed (rpm) 1800 dB(A) at 10% load 8 dB(A) at 20% load 8 dB(A) at 50% load 8.2 dB(A) at 100% load 17.1 Output Multi-rail operation (12V rails) 2 12V single rail operation – Overclocking key – +3.3V (A) 20 +5V (A) 20 +12V1 (A) 28 +12V2 (A) 24 +12V3 (A) – +12V4 (A) – +12V5 (A) – +12V6 (A) – -12V (A) 0.3 +5Vsb (A) 3 Max. combined power 12V (W) 550 Max. combined power 12VHPWR (W) 300 Max. combined power 3.3V + 5V (W) 120 Hold-up time at 100% load (ms) 19 Power good signal (ms) 100 – 150 Cables and connectors Modular cables ✓ Sleeved cables P24, 12VHPWR Flat cables P4+4, PCIe, drives Maximum cable length (cm) 95 Cable length to motherboard (cm) 55 No. of cables 6 ATX-Motherboard (20+4-pin) 1 P4+4 (CPU) 1 P8 (CPU) 1 P4 (CPU) – 12VHPWR cables 1 PCI-e 6+2-pin (GPU) 2 PCI-e 6-pin (GPU) – SATA 5 PATA 2 FDD (Floppy) – Protection OTP (over temperature protection) ✓ OCP (over current protection) ✓ OPP (over power protection) ✓ SCP (short circuit protection) ✓ OVP (over Voltage protection) ✓ UVP (under Voltage protection) ✓ SIP (Surge amp; Inrush Protection) ✓