Shuttle PC850 power supply unit 850 W 20+4 pin ATX Flex ATX Grey

The Shuttle XPC Accessory PC850 is an internal AC-to-DC switching power supply unit designed as an upgrade for compatible Shuttle systems. It supplies up to 850 W of continuous output power, supports a wide AC input range (100–240 V, 50–60 Hz) and includes a 20+4 pin ATX connector. The unit features a compact Flex ATX / ATX-compatible form factor, a 4 cm active cooling fan and meets 80 PLUS Platinum efficiency and Energy Star V5.0 requirements to reduce energy consumption compared with older models.

Advantages

The power supply delivers a high maximum output of 850 W suitable for demanding processors and discrete graphics cards while retaining high conversion efficiency due to its 80 PLUS Platinum certification. Its wide input voltage compatibility and compliance with multiple safety and energy standards provide reliable, efficient operation in varied environments. The compact grey chassis and standard 20+4 pin ATX connector simplify installation as an internal upgrade for compatible Shuttle PCs.

Suitable for

Key specifications

How to use

Install the PC850 inside a compatible Shuttle chassis following the system manufacturer’s instructions. Connect the 20+4 pin ATX connector to the motherboard and attach any required peripheral power cables to components such as graphics cards and storage devices. Ensure the system is powered off and unplugged from the mains before installation. After securing the unit and reconnecting inputs, power on the system and verify stable operation and correct fan activity.

Recommendations

Use this PSU as a direct replacement or upgrade only in Shuttle systems listed as compatible; verify available internal space and mounting points. Maintain adequate airflow within the chassis and periodically clean the fan and vents to preserve cooling performance and efficiency.