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Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black

Product image: Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black-null
Product image: Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black-null
Product image: Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black-null
Product image: Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black-null
Product image: Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black-null
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Xpg core reactor II 850w power supply atx 3.0 80 plus gold fully modular 12vhpwr 600w pcie 5.0 120mm fdb black

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From: Singular Computers Systems LTD
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Description

Item No. f27176cb-8100-4c53-b515-f67f49720143
XPG CORE REACTOR II 850W — 80 PLUS Gold ATX 3.0 Power Supply 850 W80 PLUS GoldFully ModularATX 3.0 / 12VHPWR The XPG CORE REACTOR II 850W is an 80 PLUS Gold, fully modular ATX 3.0 power supply built for gaming PCs and workstations pairing a strong CPU with a high-end graphics card. Supplied under part number 75261197, it includes a native 12VHPWR (16-pin) cable rated for up to 600 W, so it powers current PCIe 5.0 GPUs directly without an adapter. A single +12V rail and 100% Japanese capacitors

Details

XPG CORE REACTOR II 850W — 80 PLUS Gold ATX 3.0 Power Supply

850 W80 PLUS GoldFully ModularATX 3.0 / 12VHPWR

The XPG CORE REACTOR II 850W is an 80 PLUS Gold, fully modular ATX 3.0 power supply built for gaming PCs and workstations pairing a strong CPU with a high-end graphics card. Supplied under part number 75261197, it includes a native 12VHPWR (16-pin) cable rated for up to 600 W, so it powers current PCIe 5.0 GPUs directly without an adapter. A single +12V rail and 100% Japanese capacitors back a 10-year warranty. Typically in stock with fast delivery across Cyprus.

Before you buy — fit & cabling
This is a standard ATX unit measuring 150 (W) × 140 (L) × 86 (H) mm, fitting nearly all mid-tower and full-tower cases. The single 12VHPWR cable delivers up to 600 W to one GPU — seat both ends fully until they click and avoid bending the cable near the connector. Use the supplied native cables; third-party cables are not guaranteed to match the pinout.

Best For

✓High-end gaming builds with a PCIe 5.0 GPU
✓Single flagship graphics card systems
✓Content-creation and workstation PCs
✓Builders who want clean modular cabling
✓Standard ATX mid/full-tower cases
✓Buyers who value a 10-year warranty

Key Features

 
850 W single-rail power
One strong +12V rail (70.8 A) feeds the whole system, simplifying load balancing for a high-draw CPU and graphics card combination.
 
80 PLUS Gold efficiency
Up to ~91% efficiency at 50% load means less wasted heat and lower running costs, with a 0.99 active power factor.
 
ATX 3.0 with native 12VHPWR
A factory-fitted 12VHPWR (16-pin) cable delivers up to 600 W and handles ATX 3.0 transient power spikes without a separate adapter.
 
Quiet 120 mm FDB fan & 8 protections
A 120 mm fluid-dynamic-bearing fan keeps noise low, while OCP, OVP, OPP, OTP, SCP, UVP, NLO and SIP protect your components.

Technical Specifications

Identification
Part Number 75261197
EAN / GTIN 4711085942388
MPN 75261197
Brand / Series XPG CORE REACTOR II Gold
Power
Continuous OuTPUt 850 W
+12V Rail 70.8 A — single rail
+3.3V / +5V 22 A / 22 A
+5VSB / -12V 3 A / 0.3 A
AC Input 100–240 V, 47–63 Hz (Full Range)
Power Factor 0.99 (active PFC)
Efficiency & Standards
80 PLUS Gold — ~91% efficiency at 50% load
ATX Standard ATX12V 3.0 / EPS12V 2.92 (PCIe 5.0)
Form Factor ATX
Cooling & Cabling
Fan 120 mm Fluid Dynamic Bearing
Modularity Fully Modular
MTBF 100,000 hours
Connectors
ATX / EPS 1 × 24-pin MB, 2 × EPS12V (8-pin)
PCIe 6 × PCIe (6+2-pin)
12VHPWR 1 × 12VHPWR — up to 600 W
Peripheral 8 × SATA, 4 × Molex
Physical & Warranty
Dimensions 150 (W) × 140 (L) × 86 (H) mm
Colour Black
Warranty 10 Years

Frequently Asked Questions

Does the CORE REACTOR II 850W work with an RTX 40/50-series GPU?
Yes. It is an ATX 3.0 unit with a native 12VHPWR cable that supplies up to 600 W to a single graphics card, so it powers current high-end GPUs without an adapter.
Is 850 W enough for my build?
For a single high-end GPU with any current desktop CPU, 850 W is comfortable for most gaming and creator systems. For a flagship 350 W+ GPU plus heavy overclocking, consider a 1000 W unit.
Is it fully modular?
Yes. Every cable detaches, so you connect only what your build needs for cleaner airflow and easier cable management.
Will it fit my case and is it quiet?
At 140 mm depth it fits standard ATX cases. The 120 mm fluid-dynamic-bearing fan runs quietly, and the unit carries comprehensive protection circuitry for safe operation.
Singular Expert Insight
The CORE REACTOR II 850W is one of the better-value 80 PLUS Gold ATX 3.0 units, offering near-Platinum efficiency and a full 10-year warranty at a mid-range price. Step up to the 1000 W class only if you run a 350 W+ flagship GPU with heavy overclocking; for most single-GPU builds 850 W is the sweet spot. Browse our full range of PC power supplies or pair it with a new graphics card to finish your build.

Buyer's Guide

Buy it if
You run a single PCIe 5.0 GPU, want ATX 3.0 with a native 12VHPWR cable, and value a 10-year warranty and clean modular cabling.
Skip it if
Your system is modest where a 650 W unit is cheaper, or you need 1000 W+ for a flagship GPU with extreme overclocking.
Also consider
A 650 W 80+ Gold unit for smaller builds, or the Seasonic FOCUS GX-1000 for more headroom and ATX 3.1.