£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
34 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 |

Marcus (verified owner) –
Gets the job done, nothing more
Price (verified owner) –
This component exceeded my expectations
Muriel (verified owner) –
Everything works fine, but delivery could be faster
Reece (verified owner) –
Upgraded my system and noticed the difference instantly
Makenzie (verified owner) –
Installation was easy but needed a quick BIOS update
Lauretta (verified owner) –
Solid performance, just wish it came with more documentation
Lexi (verified owner) –
Works flawlessly with my setup
Michal (verified owner) –
Speed boost was immediately noticeable
Melissa (verified owner) –
Really impressed with the durability
Nola (verified owner) –
Fantastic price for this level of performance
Oswald (verified owner) –
No major issues, just wish support was quicker
Miracle (verified owner) –
Massive improvement from my old component
Lura (verified owner) –
Strong build quality and smooth functionality
Marianne (verified owner) –
Fair quality, feels a bit outdated
Octavio (verified owner) –
A must-have upgrade for any serious gamer
Maddison (verified owner) –
Okay for the price, but not impressive
Morton (verified owner) –
Amazing value for money, my PC runs smoother than ever
Lukas (verified owner) –
Impressive speed, just a bit warm under load
Mitchell (verified owner) –
Perfect for gaming and multitasking
Marlee (verified owner) –
Very stable even under heavy load
Queenie (verified owner) –
Worked as expected, a bit bulky though
Nicole (verified owner) –
Reliable, powerful, and works as expected
Miller (verified owner) –
Decent component but came in basic packaging
Naomi (verified owner) –
Delivered ahead of time and well packed
Laurence (verified owner) –
Exactly what I needed for my gaming rig
Mertie (verified owner) –
My FPS increased significantly after installation
Maggie (verified owner) –
Super fast delivery and the product works perfectly
Lonny (verified owner) –
Great customer support and fast dispatch
Lilian (verified owner) –
Zero compatibility issues, great experience
Octavia (verified owner) –
Came with everything needed to get started
Perry (verified owner) –
Top-notch performance and easy installation
Rashad (verified owner) –
Would definitely buy again from this store
Mara (verified owner) –
Highly recommend for any PC build
Madison (verified owner) –
Very good quality but slightly pricey