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XPG Core Reactor II 850W Power Supply - ATX, Fully Modular, 80Plus Gold
Product Type:
Power Supplies
Type Detail:
XPG - Xtreme Performance Gear
Manufacturer #:
Part Status:
Special Order Only
Milwaukee PC SKU:

Core Reactor II 850W

CORE REACTOR II is a top-performing power supply unit designed for ATX 3.0 compliance with a modular cable design and an 80 PLUS GOLD certification. These power supplies thrive in high-performance scenarios like servers or workstation setups, where a lot of power is needed.

CORE REACTOR II series power supply units meet Intel ATX 3.0 design guide specifications and feature a 12VHPWR connector. By upgrading to an ATX 3.0-compliant power supply, you'll be fully equipped for the upcoming wave of high-performance components. A must for the modern gamer, creator, or AI developer. Stay ahead of the curve by upgrading to an ATX 3.0 PSU, the new standard in PC hardware.

CORE REACTOR II units received 80 PLUS GOLD certifications for efficiency, achieving up to 91.40% (115V) efficiency at 50% load. It comes in 1200W, 1000W, 850W, 750W, and 650W models for varying user needs and scenarios. It's the perfect PSU for mid-to-high level components, including the latest CPUs and GPUs.

The intelligent fan curve ensures quiet operation, even under full power load. By starting the fan at a low RPM, fan performance is both enhanced and extended, thereby increasing the power supply unit's lifespan.

CORE REACTOR II features top-tier 105°C Japanese capacitors, ensuring exceptional stability and reliability of the PSU for many years of dependable performance.

CORE REACTOR II is protected by 8 industrial-level protection mechanisms and backed by a 10-Year Warranty, ensuring the safety and stability of both the unit and the system.


  • ATX Version: ATX 12V v3.0 and EPS v2.92
  • Dimensions (L x W x H): 140 x 150 x 86mm
  • 80 Plus Rating: Gold
  • PFC: > 0.99
  • Input Voltage: 100V-240V
  • Input Current: 12A
  • Input Frequency: 47Hz-63Hz
  • DC Output Voltage: +5V | +3.3V | +12V | -12V | +5Vsb
  • Total Output: +5V/+3.3V :22A, +12V:70.8A, -12V:0.3A, +5Vsb:3A
  • Power Excursion: 1997W (up to 235% of the PSU's rated power for 100µs)
  • Fan Size: 120mm FDB Fan
  • Fan Bearing: FDB (Fluid Dynamic Bearing)
  • Fan Speed: 2400 RPM
  • MTBF: 100K hours at full load
  • Connectors: 1 x ATX 24 Pin Connector, 2 x EPS 8 (4+4) Pin Connector, 6 x PCI-E 6+2 Pin Connector, 4 x Molex 4 Pin Connector, 1 x 12VHPWR (12 + 4) Connector (600W), 8 x SATA Connector
  • Protections: OCP / OVP / UVP / OPP / SCP / OTP / NLO / SIP
  • Certification: CE | CB| FCC(IC) | TUV | cTUVus | TUV S-Mark | NOM | BSMI | UKCA | EAC | CCC | RCM
  • Warranty: 10 Years