£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.
In stock
In stock
‣ 0% Interest for 4 months
‣ Finance your purchase with PayPal
Payment Methods:
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
49 reviews for Corsair 850W RMe Series RM850e PSU, Fully Modular, Cybenetics Gold, ATX 3.1, PCIe 5.1
Clear filtersRecently viewed
- 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 |

Marielle (verified owner) –
Product works, manual wasn’t very clear
Marco (verified owner) –
Worked after a few restarts
Rahsaan (verified owner) –
Great customer support and fast dispatch
Margarita (verified owner) –
Performance is inconsistent under load
Malcolm (verified owner) –
Very efficient and stays cool
Lenora (verified owner) –
Speed boost was immediately noticeable
Makenzie (verified owner) –
Support was slow to respond
Lilla (verified owner) –
Installation was tricky for beginners
Opal (verified owner) –
Not bad, but there are better options for the price
Marilou (verified owner) –
Exactly what I needed for my gaming rig
Margaux (verified owner) –
No issues at all, plug and play with great performance
Malachi (verified owner) –
Good value but no included cables
Matilda (verified owner) –
Reliable, powerful, and works as expected
Mariana (verified owner) –
This component exceeded my expectations
Oleta (verified owner) –
Super fast delivery and the product works perfectly
Novella (verified owner) –
Really impressed with the durability
Noemie (verified owner) –
Installation was simple and quick
Linnea (verified owner) –
No major issues, just wish support was quicker
Lee (verified owner) –
A must-have upgrade for any serious gamer
Osvaldo (verified owner) –
Exactly as described and works great
Luis (verified owner) –
Perfect for gaming and multitasking
Meggie (verified owner) –
Amazing value for money, my PC runs smoother than ever
Magnus (verified owner) –
Does the job well, no major complaints
Rafaela (verified owner) –
Highly recommend for any PC build
Noble (verified owner) –
Very satisfied, just a small scratch on arrival
Maritza (verified owner) –
Came with everything needed to get started
Miles (verified owner) –
Would definitely buy again from this store
May (verified owner) –
Very stable even under heavy load
Napoleon (verified owner) –
Fantastic price for this level of performance
Myles (verified owner) –
Happy with the product, minor noise under load
Leon (verified owner) –
Solid quality and very quiet in operation
Max (verified owner) –
Zero compatibility issues, great experience
Michele (verified owner) –
No major issues, but lacks polish
Litzy (verified owner) –
Performance boost was noticeable
Melyssa (verified owner) –
Happy overall, just had to replace a missing screw
Porter (verified owner) –
Improved my system but not as much as I hoped
Mertie (verified owner) –
Decent component but came in basic packaging
Price (verified owner) –
Speed boost was immediately noticeable
Patrick (verified owner) –
Upgraded my system and noticed the difference instantly
Melyna (verified owner) –
Works flawlessly with my setup
Murphy (verified owner) –
Not perfect but definitely worth the price
Laurence (verified owner) –
Exactly what I needed for my gaming rig
Marques (verified owner) –
No issues at all, plug and play with great performance
Paolo (verified owner) –
Could be better for the money
Marley (verified owner) –
Decent thermal performance, not the best
Nicola (verified owner) –
Slight improvement over my old part
Lamar (verified owner) –
Super fast delivery and the product works perfectly
Marisol (verified owner) –
Not bad, but there are better options for the price
Lesley (verified owner) –
Installation was simple and quick