RM850e 850W 80 Plus Gold ATX 3.1 Fully Modular Power Supply
Specifications
| Form factor | ATX |
|---|---|
| Dimensions | 150 x 86 x 140 mm (W x H x D) |
| Efficiency | 80 PLUS Gold, Cybenetics ETA Gold, Cybenetics LAMBDA A- noise rating |
| Modularity | Fully modular, Corsair Type 4 cables, five universal 8-pin sockets |
| Standard | ATX 3.1 (ATX12V 3.1) with PCIe 5.1 |
| Fan | 120 mm rifle-bearing fan (HA1225H12SF-Z) with Zero RPM mode |
| Cables | 1 x 24-pin ATX (610 mm), 2 x EPS 8-pin (4+4), 1 x 12V-2x6, 2 x PCIe 8-pin (6+2) cables with 3 connectors, 2 x SATA cables with 7 connectors, 1 x PATA cable with 4 connectors |
| Topology | Resonant LLC with DC-DC conversion |
| Capacitors | 105 C rated industrial-grade |
| Input | 100 to 240 V AC, 47 to 63 Hz |
| MTBF | 100,000 hours |
| GPU connector | 1 x 12V-2x6 (12+4 pin) PCIe 5.1 native connector plus 3 x PCIe 8-pin (6+2) on 2 cables |
| Power output | 850 W continuous (+12V rail 70.8 A) |
| Box | Power supply unit and modular cable set including the PCIe 5.1 12V-2x6 GPU cable |
| Warranty | 7 years |
In the box
- Device
- Documentation
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From order to doorstep
- 01 / 06
Order placed
You submit this upgrade and your trade-in details. It's free — no card up front.
- 02 / 06
Visit scheduled
You pick a doorstep slot. An agent is on the way, typically within 24–48h.
- 03 / 06
Verified on-site
The agent inspects your old device and confirms a value with you in person.
- 04 / 06
Payment confirmed
We email a Razorpay link for the exact difference — nothing more. Payment is only ever confirmed via Razorpay’s verified webhook.
- 05 / 06
Procuring
We source your new device once payment is confirmed.
- 06 / 06
Delivered
Your new device arrives at your door, 24–48h after acceptance.
Common questions
See all FAQsYes. It's a brand-new device and carries the manufacturer's standard 12-month warranty, in original OEM packaging. If it arrives defective, the Consumer Protection Act applies for DOA/defective returns after delivery.
Yes — the list price matches MRP; your trade-in simply covers the difference. We are GST-registered and every order ships with a GST invoice. Business buyers can share their GSTIN with support for a tax invoice in the company's name.
Working condition is preferred but not required. We adjust the value for cracks, water damage, battery health, and missing accessories — and warranty status is logged, not a disqualifier. The agent confirms the final value with you at your door, explains any change, and you can decline for free.
SwapMyTech Flagship Desktop (Ryzen 9 9950X, RTX 5090, 64 GB DDR5, 2 TB)
The standout in this category right now. Trade up to it and your old device covers a real share of the price — an agent confirms the value at your door.
View the full spec
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