The be quiet! Pure Power 13 M 1200W is a high-capacity power supply designed for demanding PC builds that require stable and efficient energy delivery. It operates on the ATX 12V 3.1 standard and carries an 80+ Gold efficiency rating, which helps reduce energy waste and heat during operation. To support modern hardware, it includes a dedicated 600W port for PCIe 5.1, making it a reliable choice for users with powerful graphics cards. Its fully modular design allows you to use only the cables you actually need, including four 8-pin PCI-E and six SATA connectors, which simplifies cable management and improves airflow inside your case. The unit is housed in a black chassis measuring 160 mm in length, fitting standard ATX form factors. A 120 mm fan manages the temperature, reaching speeds up to 2700 rpm while keeping noise levels at 32.3 dBA to maintain a quiet environment. Safety is integrated through a comprehensive suite of protections, including OTP, OCP, OPP, SCP, OVP, UVP, and SIP, ensuring your components are shielded from electrical irregularities. Weighing 2.69 kg, this unit provides a sturdy foundation for workstations or gaming rigs where reliability and a clean internal layout are priorities.