Corsair RM1200x Shift Gold ATX 3.1 Fully Modular White SMPS

The Corsair RM1200x Shift Gold ATX 3.1 Fully Modular White SMPS (model CP-9020276-IN) is a high-wattage desktop power supply built for buyers assembling or upgrading a serious gaming or workstation rig. It pairs a 1200W continuous rating with a fully modular cable design and Corsair’s white chassis finish, so it suits builders who want headroom for current-generation GPUs and CPUs without the visual clutter of unused cables. What you actually get – Rated wattage: 1200W continuous output, giving meaningful headroom over typical single-GPU mid-to-high-end builds and supporting CPU plus GPU transient spikes during heavy load. – Standard: ATX 3.1, the current PSU standard adopted across new builds, intended to handle modern power-excursion behaviour from latest-generation GPUs. – Cabling: Fully modular – every cable detaches from the PSU side, so you only install the leads your build actually needs. This makes routing in a tempered-glass case cleaner and improves airflow. – Finish: White chassis, matching Corsair’s white-themed components for builders curating a colour-coordinated system. – Series: Part of Corsair’s RM Shift line, which relocates the modular cable interface to the side of the unit – useful in cases that route cables behind the motherboard tray. Who it is for This PSU is best suited to enthusiast gaming and content-creation builds running a high-end discrete GPU and a multi-core CPU, especially in white-themed cases. The 1200W rating is generous for single-GPU systems and leaves room for future upgrades. It is less relevant for compact SFF builds (it is a full ATX unit) or for low-power office PCs where a 550-750W class supply is more economical. Verified specifications – Brand: Corsair – Model / SKU: CP-9020276-IN (RM1200x Shift) – Form factor: ATX (ATX 3.1) – Rated wattage: 1200W – Modularity: Fully modular – Colour: White Details such as exact dimensions, fan size, cable lengths and connector count are not in the supplier feed for this SKU; please refer to Corsair’s official product page for the full data sheet before finalising a case fitment