£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
20 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 |

Lolita (verified owner) –
Stable and reliable so far, time will tell
Laurel (verified owner) –
Zero compatibility issues, great experience
Ocie (verified owner) –
Nice upgrade, software could be improved
Lyman (verified owner) –
Perfect for gaming and multitasking
Linwood (verified owner) –
Solid performance, just wish it came with more documentation
Laverna (verified owner) –
Everything works fine, but delivery could be faster
Pius (verified owner) –
Came with everything needed to get started
Lauretta (verified owner) –
My FPS increased significantly after installation
Porter (verified owner) –
Helped speed up my PC noticeably
Leland (verified owner) –
Excellent packaging and genuine product
Maynard (verified owner) –
Very efficient and stays cool
Nikita (verified owner) –
No major issues, just wish support was quicker
Paul (verified owner) –
Works flawlessly with my setup
Nash (verified owner) –
Exactly as described and works great
Priscilla (verified owner) –
Massive improvement from my old component
Maybelle (verified owner) –
Installation was tricky for beginners
Larissa (verified owner) –
Fantastic price for this level of performance
Liane (verified owner) –
Performance boost was noticeable
Missy (verified owner) –
Build quality is impressive, fan a bit loud
Livia (verified owner) –
Very satisfied, just a small scratch on arrival