Seasonic FOCUS SGX-500, 500W 80+ Gold, Full-Modular, SFX-L Form Factor, Compact Size

COMPACT SIZE: 125 mm (L) x 125 mm (W) x 63.5 mm (H)
FULL MODULAR: Use only the cables you need to reduce clutter to maximize airflow for a better ventilated system
80 PLUS GOLD: Less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly
PREMIUM HYBRID FAN CONTROL: Unsurpassed silent performance in Fanless Mode. Functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode