RM850x 850W 80 Plus Gold ATX 3.1 Fully Modular Power Supply
Specifications
| Form factor | ATX |
|---|---|
| Dimensions | 160 x 150 x 86 mm |
| Efficiency | Cybenetics Gold efficiency, Cybenetics A noise rating |
| Modularity | Fully modular, Type 4 cables |
| Standard | ATX 3.1, PCIe 5.1 |
| Fan | 140 mm fluid dynamic bearing with magnetic dome, Zero RPM mode, manual fan override knob |
| Cables | 1 x 24-pin ATX, 2 x EPS 4+4-pin, 1 x 12V-2x6, 3 x PCIe 6+2-pin, 8 x SATA, 3 x 4-pin peripheral |
| Input | 100-240 V AC, 47-63 Hz |
| 12V rail | 70.8 A (849.6 W) |
| Capacitors | 100% Japanese 105°C electrolytic |
| Reliability | MTBF 100,000 hours, rated for continuous output at 50°C |
| Modern Standby | Supported |
| GPU connector | 1 x native 12V-2x6 (12+4 pin) |
| Power output | 850 W continuous |
| Box | OEM original packaging |
| Warranty | 10 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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