The be quiet! Straight Power 12 850W is a 850W power supply unit with 80+ Platinum efficiency certification and fully modular cable management. Fully compliant with ATX 3.0 standards and featuring a native 12VHPWR connector for the latest GPUs, this PSU provides clean, stable power for demanding gaming and workstation builds. be quiet!'s engineering ensures quiet operation under load, high reliability, and long component lifespan. A quality PSU is the backbone of any build — don't cut corners. Compare UK prices on VantaSpec.