Here’s the be quiet! Pure Rock Slim 2 specification in the new professional format.

Technical Specifications

General

• Brand: be quiet!
• Product Series: System Power 11
• Product Model: System Power 11 550W
• Product Type: ATX Power Supply Unit (PSU)
• Color: Black

Power Specifications

• Rated Power: 550W
• Efficiency Certification: 80 PLUS Bronze
• Maximum Efficiency: Up to 89%
• Form Factor: ATX
• ATX Version: ATX 3.1
• PCIe Compatibility: PCIe 5.1 Ready
• Power Supply Design: DC-to-DC Technology
• Power Factor Correction: Active PFC
• Voltage Rail: Single +12V Rail

Electrical Specifications

• Input Voltage: 200–240V AC
• Input Frequency: 50–60 Hz
• Standby Power Consumption: Less than 0.15W

Cooling System

• Cooling Type: Active Cooling
• Fan Size: 120 mm
• Fan Type: Temperature-Controlled Fan
• Noise Optimization: Designed for Quiet Operation

Connectors

• 1 × 20+4 Pin ATX Motherboard Connector
• 1 × 4+4 Pin CPU/EPS Connector
• 2 × PCIe 6+2 Pin Connectors
• 1 × 12V-2×6 PCIe 5.1 Connector
• 5 × SATA Power Connectors
• 2 × PATA/Molex Connectors

Protection Features

• Over Current Protection (OCP)
• Over Voltage Protection (OVP)
• Under Voltage Protection (UVP)
• Over Power Protection (OPP)
• Short Circuit Protection (SCP)
• Over Temperature Protection (OTP)

Features

• 80 PLUS Bronze Certified Efficiency
• ATX 3.1 Compatible Design
• PCIe 5.1 Support for Modern GPUs
• Reliable 550W Continuous Power Delivery
• Quiet 120mm Temperature-Controlled Fan
• Stable Voltage Regulation
• Low Standby Power Consumption
• Suitable for Gaming, Office, and Home PCs

Physical Specifications

• Dimensions: 140 × 150 × 86 mm
• Form Factor: ATX
• Weight: Approx. 1.7 kg
• Color: Black