£124.06 Original price was: £124.06.£117.96Current price is: £117.96.
£124.06 Original price was: £124.06.£117.96Current price is: £117.96.
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Product Description
CORSAIR RM850e Fully Modular Performance Power – ATX 3.1 & PCIe 5.1 Ready
Next-Gen Ready, Whisper-Quiet Operation
The RM850e supports the latest Intel® ATX 3.1 and PCIe 5.1 standards, built to endure GPU power excursions. Its modular cables reduce clutter, while the efficient fan curve and premium components ensure dependable, near-silent performance—even through multiple build cycles.
Compact, Quiet, and Efficient Power for Modern Builds
The RM850e delivers up to 90% efficiency with Cybenetics Gold certification, keeping your power consumption low and thermals under control. Its Zero RPM Fan Mode ensures near-silent operation during low loads, while its Cybenetics “A” noise rating proves its ultra-quiet performance. With a compact 140mm casing, it fits effortlessly into today’s enthusiast cases.
Efficient Power Delivery with Native GPU Support
The RM850e is designed to deliver clean, consistent power with Resonant LLC Topology and DC-to-DC conversion, ensuring high energy efficiency across various system loads. It includes a native 12V-2×6 GPU connector for seamless compatibility with Nvidia 40 Series graphics cards, eliminating the need for bulky adapters. Backed by a seven-year warranty, this power supply offers reliable performance that lasts through multiple builds, providing long-term peace of mind.
| Form Factor | ATX |
|---|---|
| Series | Corsair RM Series |
| Wattage | 850 W |
| Modular | Fully Modular |
| Compatibility | ATX12V v3.1, EPS12V 2.92, PCIe 5.1 |
| Connectors | 1 x ATX (24-pin), 2 x EPS / ATX 12V 8-pin (4+4), 1 x 12V-2×6 (12+4) Pin, 2 x 12V-2×6 to Dual 8-Pin (6+2), 1 x PCIe 8-Pin (6+2), 4 x SATA (4 Straight SATA), 4 x SATA / PATA (2 Straight SATA) (2 Straight PATA) |
| AC Input | 100-240V |
| Fan Type | 120mm Rifle Bearing Fan |
| Fan Bearing | Rifle Bearing |
| Noise | Low Noise – Cybenetics A Noise Rating, Zero RPM Fan Mode |
| Max Certification | Gold |
| Efficiency | Cybenetics Gold, Up to 90% |
| Additional Features | See Overview |
| Package Contents | Power Supply, 1 x 24-pin ATX (24-pin) Connector Cable, 2 x 8-pin ATX 12V/EPS12V (4+4-pin) Connector Cables, 1 x 8-pin PCIe (6+2-pin) Connector Cable, 1 x 600W 12V-2×6 (12+4-pin) Connector Cable, 1 x 12V-2×6 (12+4-pin) to dual 8-pin PCIe (6+2-pin) Cable, 6 x SATA Connectors, 2 x PATA Connectors |
| Weight/Dimensions | 1.530 kg, 150 x 140 x 86 mm |
| Package Weight | 2.9300 kg |
| Warranty | 7 Years |
| Full Box Quantity | 2 |
Other Options
Customer Reviews
25 reviews for Corsair 850W RMe Series RM850e PSU, Fully Modular, Cybenetics Gold, ATX 3.1, PCIe 5.1
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- 24-pin ATX 3.1
- 850W Wattage
- Fully-Modular
- Cybenetics Gold
CORSAIR RM850e Fully Modular Performance Power – ATX 3.1 & PCIe 5.1 Ready
Next-Gen Ready, Whisper-Quiet Operation
The RM850e supports the latest Intel® ATX 3.1 and PCIe 5.1 standards, built to endure GPU power excursions. Its modular cables reduce clutter, while the efficient fan curve and premium components ensure dependable, near-silent performance—even through multiple build cycles.
Compact, Quiet, and Efficient Power for Modern Builds
The RM850e delivers up to 90% efficiency with Cybenetics Gold certification, keeping your power consumption low and thermals under control. Its Zero RPM Fan Mode ensures near-silent operation during low loads, while its Cybenetics “A” noise rating proves its ultra-quiet performance. With a compact 140mm casing, it fits effortlessly into today’s enthusiast cases.
Efficient Power Delivery with Native GPU Support
The RM850e is designed to deliver clean, consistent power with Resonant LLC Topology and DC-to-DC conversion, ensuring high energy efficiency across various system loads. It includes a native 12V-2×6 GPU connector for seamless compatibility with Nvidia 40 Series graphics cards, eliminating the need for bulky adapters. Backed by a seven-year warranty, this power supply offers reliable performance that lasts through multiple builds, providing long-term peace of mind.
| Form Factor | ATX |
|---|---|
| Series | Corsair RM Series |
| Wattage | 850 W |
| Modular | Fully Modular |
| Compatibility | ATX12V v3.1, EPS12V 2.92, PCIe 5.1 |
| Connectors | 1 x ATX (24-pin), 2 x EPS / ATX 12V 8-pin (4+4), 1 x 12V-2×6 (12+4) Pin, 2 x 12V-2×6 to Dual 8-Pin (6+2), 1 x PCIe 8-Pin (6+2), 4 x SATA (4 Straight SATA), 4 x SATA / PATA (2 Straight SATA) (2 Straight PATA) |
| AC Input | 100-240V |
| Fan Type | 120mm Rifle Bearing Fan |
| Fan Bearing | Rifle Bearing |
| Noise | Low Noise – Cybenetics A Noise Rating, Zero RPM Fan Mode |
| Max Certification | Gold |
| Efficiency | Cybenetics Gold, Up to 90% |
| Additional Features | See Overview |
| Package Contents | Power Supply, 1 x 24-pin ATX (24-pin) Connector Cable, 2 x 8-pin ATX 12V/EPS12V (4+4-pin) Connector Cables, 1 x 8-pin PCIe (6+2-pin) Connector Cable, 1 x 600W 12V-2×6 (12+4-pin) Connector Cable, 1 x 12V-2×6 (12+4-pin) to dual 8-pin PCIe (6+2-pin) Cable, 6 x SATA Connectors, 2 x PATA Connectors |
| Weight/Dimensions | 1.530 kg, 150 x 140 x 86 mm |
| Package Weight | 2.9300 kg |
| Warranty | 7 Years |
| Full Box Quantity | 2 |

Ray (verified owner) –
Product arrived dusty but functional
Michelle (verified owner) –
Strong build quality and smooth functionality
Lauryn (verified owner) –
My FPS increased significantly after installation
Leif (verified owner) –
Exactly as described and works great
Malika (verified owner) –
Good for budget builds, not for high-end use
Ora (verified owner) –
Average performance, expected a bit more
Maximo (verified owner) –
Build quality is just acceptable
Raina (verified owner) –
It’s fine, just not worth the hype
Quinton (verified owner) –
Installation was easy but needed a quick BIOS update
Mira (verified owner) –
Speed boost was immediately noticeable
Meggie (verified owner) –
Decent component but came in basic packaging
Marian (verified owner) –
No issues at all, plug and play with great performance
Otto (verified owner) –
Really impressed with the durability
May (verified owner) –
Works flawlessly with my setup
Magnolia (verified owner) –
Met my expectations but not blown away
Monroe (verified owner) –
Performance is inconsistent under load
Mustafa (verified owner) –
Super fast delivery and the product works perfectly
Neal (verified owner) –
Upgraded my system and noticed the difference instantly
Margot (verified owner) –
Not perfect but definitely worth the price
Pattie (verified owner) –
Product works, manual wasn’t very clear
Lysanne (verified owner) –
Massive improvement from my old component
Rafael (verified owner) –
Zero compatibility issues, great experience
Milo (verified owner) –
Gets the job done, nothing more
Malcolm (verified owner) –
Helped speed up my PC noticeably
Marcelo (verified owner) –
Would definitely buy again from this store