XPG Core Reactor II 850W PSU Review

The XPG Core Reactor II 850W is a high performance and efficient power supply, offering a silent operation at up to 520W loads. It also comes with a 12+4 pin connector/cable, set at 600W, making it compatible with every GPU available in today’s market. 

The XPG Core Reactor II 850W is included in my best ATX v3.0 & PCIe 5.0 PSU picks article.

XPG continues cooperating with CWT (Channel Well Technology), one of the best PSUs OEMs, responsible for many high-end units of today’s market. CWT provides the Core Reactor II line and consists of five models with capacities ranging from 650W to 1200W, so there is a suitable Core Reactor II unit for every system. These are ATX v3.0 compatible PSUs, but I am sure they will soon be upgraded to ATX v3.1 through a 12V-2×6 header on their modular panels; the only change required. I hope that XPG won’t lower the hold-up time by using lower capacity bulk caps since the new ATX spec is looser in this regard for unknown, at least to me, reasons. The XPG Core Reactor II 850W that I will test today has enough capacity to power a potent gaming system, and thanks to its compact footprint and the fully modular cable design, the installation procedure will be easy.

 

 

 

Technical Specifications:
  • Manufacturer (OEM): CWT
  • Max Power: 850W
  • Cybenetics Efficiency: [115V] Cybenetics Platinum (89-91%)
  • 80 Plus Efficiency: Gold
  • Noise [115V]: Cybenetics Standard++ (30-35 dB[A])
  • Compliance: ATX v3.0, EPS 2.92
  • Operating Temperature (Continuous Full Load): 0 – 40°C
  • Alternative Low Power Mode support: Yes
  • Power 12V combined: 850W
  • Number of 12V rails: 1
  • Power 5V + 3.3v: 120W
  • Power 5VSB: 15W
  • Cooling: 120mm Fluid Dynamic Bearing Fan (HA1225H12F-Z)
  • Semi-Passive Operation: ✗
  • Modular Design: Yes (Fully)
  • High Power Connectors: 3x EPS (3x cables), 6x PCIe 6+2 pin (4x cables), 1x PCIe 12+4 pin (600W)
  • Peripheral Connectors: 4x SATA (single cable), 4x 4-pin Molex (single cable)
  • ATX Cable Length: 640mm
  • EPS Cable Length: 650/750mm
  • 6+2 pin PCIe Cable Length: 650mm (+150mm)
  • 12+4 pin PCIe Cable Length: 650mm
  • Distance between SATA / 4-pin Molex: 150mm
  • In-cable capacitors: No
  • Dimensions (W x H x D): 150 mm x 85 mm x 140mm
  • Weight: 1.46 kg (3.22 lb)
  • Warranty: ten years
  • Street price (excluding VAT): $125

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 22 22 70.8 3 0.3
Watts 120 850 15 3.6
Total Max. Power (W) 850
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