XPG COREREACTORII850G-WHCUS 850W Power Supply

The XPG CORE REACTOR II 850W Gold Power Supply is engineered to elevate high-performance builds, delivering reliable, efficient power for demanding systems. Designed with ATX3.0 compliance and a fully modular cable configuration, this unit keeps cable management clean while providing the headroom needed for power-hungry CPUs and modern graphics cards. With 80 PLUS Gold certification, it strikes an ideal balance between peak performance and energy efficiency, helping to minimize heat, reduce idle noise, and lower operating costs in servers, workstations, and enthusiast rigs. Whether you’re building a compact workstation or a high-end workstation-class PC, CORE REACTOR II is built to endure long workloads, heavy multitasking, and extended gaming sessions with consistent stability and quiet operation.

• ATX3.0 compliant with modular design — Built to support next-gen GPUs and power-demanding hardware, the CORE REACTOR II features a fully modular cable system that makes it easy to route power cleanly and scale as your system evolves. The modular approach reduces cable clutter, improves airflow, and simplifies upgrades or maintenance for both workstation builds and gaming rigs alike.
• 80 PLUS Gold efficiency — The CORE REACTOR II is certified for 80 PLUS Gold efficiency, delivering high performance while reducing energy waste. This translates to less heat output, steadier voltages under load, and lower electricity costs over time—especially valuable for multi-component rigs running 24/7.
• Reliable power delivery for high-demand workloads — Designed to sustain steady, ripple-minimized DC output across versatile load ranges, the 850W capacity provides robust headroom for CPU peaks, multi-GPU setups, and PCIe-enabled storage arrays typical in servers and professional workstations. The result is dependable uptime during render bursts, scientific computing tasks, or immersive gaming marathons.
• Premium build quality for longevity — XPG engineers prioritize durability with a sturdy chassis, quality connectors, and carefully selected components to endure extended workloads. A durable PSU reduces the risk of power-related bottlenecks and supports long-term system stability for workstations and high-performance desktops used in design, engineering, and content creation.
• Quiet operation and streamlined maintenance — A well-optimized cooling solution and low-noise fan design help keep acoustics in check during heavy processing. The fully modular layout makes it easier to manage cabling, improving airflow and enabling straightforward cleaning and dust prevention, which contributes to quieter operation and longer service life.

Technical Details of XPG CORE REACTOR II 850W

• Power output: 850W continuous for stable performance under heavy workloads
• Certification: 80 PLUS Gold efficiency for excellent energy conservation
• Modularity: Fully modular cables to simplify cable routing and system upgrades
• Compliance: ATX3.0 compatible design to support next-generation GPUs and processors
• Input range: 100–240V AC for worldwide compatibility
• Connector options: Robust PCIe, motherboard, CPU, SATA, and peripheral connectors suitable for high-end builds
• Protection features: Built-in safeguards to protect components against over-power, short circuits, and thermal fluctuations
• Physical design: Compact form factor suitable for a wide range of mid- to full-tower cases with efficient cooling

How to install XPG CORE REACTOR II 850W

• Power down your system and disconnect all cables from the wall outlet, then unplug the power supply from your components to begin installation.
• Remove the PC case panels as needed and locate the PSU mounting area. Align the CORE REACTOR II in the chassis with the airflow direction matching your case’s design.
• Secure the power supply with the included screws, ensuring it is firmly fastened and level to prevent vibration during operation.
• Attach the required cables through the modular connectors. Start with the 24-pin motherboard power, then the 8- or 4+4-pin CPU power, followed by PCIe power for graphics cards and SATA/IDE power for storage and peripherals.
• Route cables cleanly to maximize airflow and minimize obstructions. Use the modular design to remove any unused cables, reducing clutter and improving cooling efficiency.
• Reconnect all components, reassemble the case, and power on to verify system stability. Enter BIOS to confirm power delivery settings and ensure all devices are properly recognized.

Frequently asked questions

• Is the XPG CORE REACTOR II 850W ATX3.0 compliant? Yes. It is designed to align with ATX3.0 specifications, offering compatibility with modern GPUs, CPUs, and PCIe requirements while delivering reliable power for demanding workloads.
• Is this power supply fully modular? Yes. All cables are detachable, allowing you to attach only the cables you need for your build, which improves airflow and makes cable management easier.
• What kind of systems benefit most from this PSU? High-performance desktops, workstations, and server-class rigs that require consistent power delivery, present low noise, and efficient operation during heavy processing, rendering, or gaming tasks.
• What efficiency level does this PSU achieve? It carries an 80 PLUS Gold rating, meaning it operates with high efficiency across a range of loads, reducing heat generation and power waste.
• Are there protection features included? The unit is built with essential protection features to safeguard connected components from power fluctuations, overload, and thermal issues, contributing to long-term reliability in professional environments.