The XPG Core Reactor 850W is one of the most highly-rated power supplies in its class — a true PSU enthusiast favorite ranked on the "PSU Tier List A-Tier" for its exceptional performance, reliability, and value. Built with 100% premium Japanese 105°C capacitors, LLC Resonant Topology, DC-DC Design, and a compact form factor, this 80+ Gold certified fully modular power supply is engineered to deliver clean, stable, and silent power for high-end gaming and workstation builds.

Featuring a single +12V rail with 70.8A, 22 total connectors, an intelligent fan curve for near-silent operation (as low as 11.2 dBA), Cybenetics ETA Platinum and LAMBDA A- certifications, and a 10-year warranty — the Core Reactor 850 is the perfect foundation for builds with RTX 4080, RTX 4070 Ti, Ryzen 9 7950X, or i9-14900K. Compact at just 140mm length, it fits in nearly any modern case while delivering flagship-class performance.

⚡ 850W of Pure Gold-Certified Power

Premium efficiency for high-end gaming and workstation builds:

• 850 Watts continuous output
• 80 PLUS Gold Certified — Up to 90% efficiency at 50% load
• Cybenetics ETA Platinum efficiency rating
• Cybenetics LAMBDA A- noise rating
• Single +12V rail design — Up to 70.8A on +12V
• 0.99 Active PFC for clean power draw
• 100-240V universal AC input
• Perfect for RTX 4080/4070 Ti + Ryzen 9 / i9 builds

🔌 Fully Modular Cable Design

Complete control over your build aesthetics:

• Fully modular cables — Use only what you need
• 22 total connectors for any build configuration
• 1× ATX 24-pin motherboard connector
• 2× EPS 8-pin (4+4) CPU power connectors
• 6× PCIe 8-pin (6+2) graphics card connectors
• 12× SATA connectors for storage
• 4× Peripheral 4-pin (Molex) connectors
• Reduces cable clutter and improves airflow

🌡️ Premium 100% Japanese Capacitors (105°C)

The biggest reliability factor in any PSU:

• 100% Japanese capacitors — Premium quality throughout
• 105°C-rated for extended lifespan
• ±2% DC voltage stability
• 35% lower ripple and noise for clean power delivery
• LLC Resonant Topology for high efficiency
• DC-DC Converter design for tight regulation
• Engineered for years of dependable operation

🔇 Intelligent Fan Curve — Near-Silent Operation

One of the quietest PSUs at this wattage:

• 120mm cooling fan
• FDB (Fluid Dynamic Bearing) for long lifespan
• Intelligent fan curve — Stays at low speed until 50% load
• 660 RPM ± 10% at low load
• 11.2 dBA at 20% load — Whisper quiet
• 11.3 dBA at 50% load — Still near-silent
• 24.7 dBA at 100% load — Quiet even at full power
• MTBF: 100,000 hours at full load
• Maximum fan speed: 2,400 RPM
• Prolongs fan and PSU lifespan

📐 Compact Design — 140mm Length

Fits in nearly any modern case:

• Dimensions: 150 × 140 × 86mm (W × L × H)
• Compact 140mm length — Shorter than most 850W units
• Standard ATX form factor
• Intel ATX 12V v2.52 compliant
• Fits in compact, mid-tower, and full-tower cases

🛡️ Industrial-Grade Protection (8 Protections)

Comprehensive safety for your valuable components:

• OCP — Over Current Protection
• OVP — Over Voltage Protection
• UVP — Under Voltage Protection
• OPP — Over Power Protection
• SCP — Short Circuit Protection
• OTP — Over Temperature Protection
• NLO — No-Load Operation Protection
• SIP — Surge & Inrush Protection

✅ Comprehensive Certifications

• 80 PLUS Gold
• Cybenetics ETA Platinum (efficiency)
• Cybenetics LAMBDA A- (noise level)
• CE / UKCA / CB / FCC (IC)
• EAC / CCC / TUV / cTUVus
• RCM / NOM / BSMI / BIS / KC

🔧 Recommended Builds

The 850W Core Reactor is engineered for serious builds:

• ✅ RTX 4080 + Ryzen 9 7950X / i9-14900K
• ✅ RTX 4070 Ti / 4070 Ti Super + flagship CPU
• ✅ RTX 3080 / 3080 Ti / 3090 previous-gen flagship builds
• ✅ RTX 7900 XT / RX 7800 XT AMD GPU builds
• ✅ Workstation with Threadripper or high-end Xeon
• ✅ Streaming/content creation dual-purpose builds
• ✅ Future-proof for RTX 5070 Ti / RX 9070 XT class GPUs

🎯 Why XPG Core Reactor 850 Gold?

• ✅ PSU Tier List "A-Tier" — Enthusiast-recommended
• ✅ 100% Japanese capacitors — Premium reliability
• ✅ LLC Resonant + DC-DC design — Modern topology
• ✅ Single +12V rail (70.8A) — Maximum GPU power
• ✅ Compact 140mm length — Fits anywhere
• ✅ Cybenetics ETA Platinum + LAMBDA A-
• ✅ 10-year warranty (manufacturer)
• ✅ Near-silent operation (11.2 dBA at low load)
• ✅ Best price-to-performance in 850W Gold class
• ✅ Perfect for: Gaming, workstation, content creation, streaming

Key Features

• Model: XPG Core Reactor 850 Gold (COREREACTOR850G-BKCUS)
• Brand: XPG (ADATA)
• Wattage: 850W continuous
• Form Factor: ATX (Intel ATX 12V v2.52)
• Modular Design: Fully Modular
• Efficiency: 80 PLUS Gold (90% at 50% load)
• Cybenetics: ETA Platinum + LAMBDA A-
• Topology: LLC Resonant + DC-DC
• Capacitors: 100% Japanese 105°C
• +12V Rail: Single rail, 70.8A (850W)
• +5V/+3.3V: 22A combined
• +5Vsb: 3A
• Active PFC: 0.99
• Input Voltage: 100V-240V universal
• Input Frequency: 47-63 Hz
• Operating Temperature: 0-50°C
• Cooling Fan: 120mm FDB (Fluid Dynamic Bearing)
• Max Fan Speed: 2,400 RPM
• Fan MTBF: 100,000 hours at full load
• Noise Level @20%: 11.2 dBA (whisper quiet)
• Noise Level @50%: 11.3 dBA
• Noise Level @100%: 24.7 dBA
• Dimensions: 150 × 140 × 86mm
• Length: Compact 140mm
• ATX 24-pin: 1× connector
• EPS 8-pin (4+4): 2× connectors
• PCIe 8-pin (6+2): 6× connectors
• SATA: 12× connectors
• Peripheral 4-pin: 4× connectors
• Total Connectors: 22
• Protections: OCP / OVP / UVP / OPP / SCP / OTP / NLO / SIP
• Certifications: 80+ Gold, Cybenetics, CE, UKCA, FCC, TUV, RCM
• Warranty: 10-year manufacturer
• Color: Black
• SKU: PSU-XPG-COREREACTOR850-OB-0074