Asus Prime 650 Watt 80 Plus Bronze SMPS

The ASUS Prime 650W 80 Plus Bronze Power Supply (PRIME-650B-BLACK) is a non-modular ATX12V unit built for dependable everyday and gaming PC builds. Its 80 Plus Bronze certification reflects genuine efficiency gains delivered through low-ESR electrolytic capacitors and other premium internal components, helping keep operating temperatures low and the acoustic profile quieter during sustained loads. At the heart of its cooling system sits a 135mm fan mounted on dual ball bearings. Dual ball bearing fans are rated for up to 80,000 hours of operation — approximately twice the lifespan of comparable sleeve-bearing designs — ensuring reliable airflow for the life of the unit. The larger 135mm fan diameter moves more air at lower RPM compared with smaller alternatives, reducing noise without sacrificing thermal performance. Cable management is simplified by ASUS's etched cables, which are made from a pliable material that bends easily during installation and are rated to operate at temperatures 50°C below the UL safety limit. The cables meet UL1581 and UL758 certification standards for flame resistance. The CPU power cable features a distinct 4+4 pin connector with a colour-differentiated clip design that guides correct insertion and confirms a secure connection to the motherboard. Comprehensive protection circuitry covers over-power (OPP), over-voltage (OVP), under-voltage (UVP), short-circuit (SCP), over-current (OCP), and over-temperature (OTP) events. The unit carries RoHS compliance and is rated for a broad AC input range of 100–240 V, making it suitable for Indian mains supply. Verified Specifications: - Wattage: 650 W - Certification: 80 Plus Bronze - Form Factor: ATX12V - PFC Type: Active PFC - MTBF: >120,000 hours at 25°C - AC Input: 100–240 V AC - DC Rails: +3.3 V (20 A), +5 V (20 A), +12 V (54 A), −12 V (0.3 A), +5 Vsb (2.5 A) - Combined Output: +3.3 V & +5 V combined 110 W; +12 V 648 W - Fan: 135mm dual ball bearing - Modular: Non-modular - Connectors: 24/20-pin MB ×1, CPU 4+4-pin ×1, PCIe 6+2-pin ×2, SATA ×5, Peripheral 4-pin ×3 - Protection: OPP, OVP, UVP, SCP, OCP, OTP - Compliance: RoHS - Warranty: 6 years