The Raidmax XT-Series 550W Non-Modular PSU is a great entry-level power supply. It utilises a single +12V rail output for enhanced stability. This power supply is designed with heavy-duty protective technologies, namely Over Voltage Protection (OVP), Over Power Protection (OPP) and Short Circuit Protection (SCP). Raidmax has designed the XT-Series with optimal heat dissipation via a honeycomb ventilation grid and a silent 120mm fan that automatically adjusts speeds based on thermal status. FEATURES: Single +12V rail output for higher power usage C6/C7 power-saving mode on Intel Haswell CPU Supports Intel ATX12V V2.3 Up to four SATA connectors for multiple HDDs/SSDs Over Voltage Protection (OVP) Over Power Protection (OPP) Short Circuit Protection (SCP) Honeycomb ventilation design for optimal heat dissipation Superior cooling performance with a Raidmax silent 120mm fan SPECIFICATIONS: Total Power: 550W AC Input: 115/230VAC, 4/8A, 50/60Hz DC Output Voltage: +3.3V: 18A – 110W +5V: 17A – 110w +12V: 38A – 456W -12V: 0.5A – 6W +5VSB: 2.5A – 12.5W Connectors: M/B 20+4 PINS: 1 CPU 4+4 PINS: 1 PCI-E 6+2 PINS: 1 PCI-E 6 PINS: 1 SATA: 4 Molex 4 PINS: 2 Protective Features: OVP, OPP, SCP Dimensions: 15 x 14 x 8.6 cm What’s In The Box: Raidmax XT-Series 550W Non-Modular PSU – Black x1