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Sharkoon rebel p20 sfx 850w sfx psu 80+ platinum cybenetics fully modular atx 3.1 12v-2x6 black

Product image: Sharkoon rebel p20 sfx 850w sfx psu 80+ platinum cybenetics fully modular atx 3.1 12v-2x6 black-null
Product image: Sharkoon rebel p20 sfx 850w sfx psu 80+ platinum cybenetics fully modular atx 3.1 12v-2x6 black-null
Product image: Sharkoon rebel p20 sfx 850w sfx psu 80+ platinum cybenetics fully modular atx 3.1 12v-2x6 black-null
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Sharkoon rebel p20 sfx 850w sfx psu 80+ platinum cybenetics fully modular atx 3.1 12v-2x6 black

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Description

Item No. 14e093e3-5203-4097-9785-41123fbe0733
Sharkoon Rebel P20 SFX 850W Power Supply 850W80+ PlatinumSFX · ATX 3.1Fully Modular The Sharkoon Rebel P20 SFX 850W is a fully modular SFX power supply that brings high-end power to small-form-factor and mini-ITX gaming PCs running a modern graphics card. Supplied under part number 4044951040667, it is ATX 3.1 compatible with an integrated 12V-2x6 connector for the latest PCIe 5.x cards, and its 80 PLUS Platinum and Cybenetics Platinum certifications deliver top-tier efficiency with very low he

Details

Sharkoon Rebel P20 SFX 850W Power Supply

850W80+ PlatinumSFX · ATX 3.1Fully Modular

The Sharkoon Rebel P20 SFX 850W is a fully modular SFX power supply that brings high-end power to small-form-factor and mini-ITX gaming PCs running a modern graphics card. Supplied under part number 4044951040667, it is ATX 3.1 compatible with an integrated 12V-2x6 connector for the latest PCIe 5.x cards, and its 80 PLUS Platinum and Cybenetics Platinum certifications deliver top-tier efficiency with very low heat. Typically in stock with fast delivery across Cyprus.

Before you buy — fit & compatibility
This is an SFX-format power supply (125 × 63.5 × 100 mm), designed for SFX and SFX-L compatible small cases — to fit a standard ATX case you will need an SFX-to-ATX adapter bracket. The integrated 12V-2x6 cable powers modern PCIe 5.x graphics cards directly, and the fully modular design keeps tight builds tidy.

Best For

✓Small-form-factor and mini-ITX builds
✓Compact high-performance gaming PCs
✓SFX cases needing 850 W of power
✓Modern PCIe 5.x / 12V-2x6 GPU builds
✓Quiet builds (Zero RPM 92 mm fan)
✓Efficiency-focused (80+ Platinum) systems

Key Features

 
850W in an SFX Body
Delivers a full 850 watts from a compact SFX form factor, ideal for powerful small-form-factor and mini-ITX builds where space is at a premium.
 
ATX 3.1 · 12V-2x6 Connector
ATX 3.1 compatible with an integrated 12V-2x6 (12+4 pin) connector that powers the latest PCIe 5.x graphics cards directly.
 
80+ Platinum · Cybenetics Platinum
Dual Platinum-level certification means excellent efficiency and very little wasted energy or heat — a real advantage inside a compact chassis.
 
92mm Fan · Zero RPM Mode
A quiet 92 mm fluid-dynamic-bearing fan with semi-passive Zero RPM operation stays off at low and medium loads for near-silent running.

Technical Specifications

Identification
Part Number 4044951040667
EAN / GTIN 4044951040667
MPN Rebel P20 SFX 850W
Power
Maximum OuTPUt 850 W
Form Factor SFX (SFX12V v4.1) — ATX 3.1 compatible
Efficiency 80 PLUS Platinum · Cybenetics Platinum
Design
Modularity Fully modular
Main GPU Connector Integrated 12V-2x6 (12+4 pin) — PCIe 5.x, up to 600 W to one card
Protections OPP / OVP / UVP / SCP / OCP / OTP
Cooling
Fan 92 mm Fluid Dynamic Bearing
Fan Mode Zero RPM — semi-passive, fan off at low/medium load
Physical
Dimensions (W×H×D) 125 × 63.5 × 100 mm
Colour Black
Warranty
Manufacturer Warranty 3-year limited

Frequently Asked Questions

Will this SFX power supply fit my case?
It fits cases that accept an SFX (or SFX-L) power supply, which covers most small-form-factor and mini-ITX chassis. To install it in a standard ATX case, you will need an SFX-to-ATX adapter bracket.
Does it work with the latest GeForce RTX graphics cards?
Yes. It is ATX 3.1 compatible with an integrated 12V-2x6 (12+4 pin) connector — the current PCIe 5.x power cable for modern high-end GPUs — so you can connect one directly.
Is 850W enough for a small gaming build?
For most compact single-GPU systems, yes. 850 W comfortably powers a high-end graphics card plus a modern CPU, with headroom for storage and cooling in a small-form-factor build.
Is the Rebel P20 SFX fully modular and quiet?
Yes on both counts. Every cable detaches for tidy small-case builds, and the 92 mm fan uses a semi-passive Zero RPM mode that stays silent at low and medium loads.
Singular Expert Insight
For a compact mini-ITX gaming build, 850 W in an SFX shell is the sweet spot: it powers a high-end single GPU with room to spare while keeping ATX 3.1, a 12V-2x6 cable and dual Platinum efficiency in a body small enough for tight cases. If you are running an absolute flagship GPU or want extra overhead, the 1000 W Rebel P20 SFX is the step up; if your case takes a standard PSU, a full-ATX unit may cost less. Browse our full range of PC power supplies, or pair it with a compact graphics card for your small-form-factor build.

Buyer’s Guide

Buy it if
You are building a compact SFX / mini-ITX gaming PC and want 850 W with ATX 3.1, a 12V-2x6 cable and 80+ Platinum efficiency.
Skip it if
Your case takes a standard ATX power supply, or you run an extreme flagship GPU that would benefit from the 1000 W model's extra headroom.
Also consider
The 1000 W Rebel P20 SFX for more headroom, or the full-size ATX Rebel P20 if your case fits a standard power supply.