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CORSAIR

CORSAIR RM850x | 850W Fully Modular Power Supply (ATX 3.1, Cybenetics Gold, PCIe 5.1 Ready)

CORSAIR RM850x | 850W Fully Modular Power Supply (ATX 3.1, Cybenetics Gold, PCIe 5.1 Ready)

Rs.39,500.00
Rs.39,500.00
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Warranty

The CORSAIR RM850x is a premium, fully modular 850W PSU built for high-performance gaming PCs and workstations. Designed with ATX 3.1 compliance, PCIe 5.1 support, and Cybenetics Gold efficiency, it delivers clean, stable, and ultra-quiet power—perfect for modern GPUs like RTX 40 series and beyond.

With Japanese 105°C capacitors, Zero RPM fan mode, and a 10-year warranty, the RM850x stands out as one of the most reliable power supplies available in Pakistan.

Key Features

• 850W Continuous Power Output
• Fully Modular (Type-4 Cables)
• Cybenetics Gold Efficiency Certification
• ATX 3.1 Compliant (Latest Standard)
• PCIe 5.1 Ready (12V-2x6 Native Cable Included)
• 140mm Low-Noise FDB Fan
• Zero RPM Mode (Silent Operation at Low Load)
• Manual Fan Override Control
• 100% Japanese 105°C Capacitors
• 50°C Continuous Operating Temperature
• 10-Year CORSAIR Warranty

Performance & Reliability

• Delivers stable +12V rail (70.8A / 849.6W) for GPUs and CPUs
• Built for high-end GPUs (RTX 40 / future GPUs)
• Maintains performance even at high temperatures (50°C)
• MTBF: 100,000 hours

Ideal for:
– Gaming PCs (RTX 4070 / 4080 / 4090 builds)
– Workstations & rendering systems
– Future-proof PC builds

ATX 3.1 & PCIe 5.1 Ready

• Supports latest power standards and sleep states
• Includes native 12V-2x6 cable (next-gen GPU connector)
• Eliminates need for bulky adapters
• Ensures compatibility with modern GPUs and motherboards

Ultra-Quiet Operation

• 140mm Fluid Dynamic Bearing fan
• Zero RPM Mode = fan completely OFF at low load
• Cybenetics Noise Rating: A (low noise)

Perfect for silent builds and professional environments.

Manual Fan Control

• Dedicated fan override knob
• Increase airflow manually when needed
• Useful for hot climates or heavy workloads

Fully Modular Design

• Connect only required cables
• Clean cable management
• Improved airflow inside case
• Premium embossed Type-4 cables

Power Output Table

• +12V Rail: 70.8A (849.6W)
• +3.3V: 20A
• +5V: 20A
• +5VSB: 3A
• Total Output: 850W

Connectivity & Cables

• 1 × 24-pin ATX
• 2 × EPS 8-pin (4+4)
• 1 × PCIe 12V-2x6 (next-gen GPU)
• 3 × PCIe 8-pin (6+2)
• 8 × SATA connectors
• 3 × PATA connectors

Build Quality

• 100% industrial-grade Japanese capacitors
• High durability under load
• Long lifespan and voltage stability

Dimensions & Design

• Size: 160 × 150 × 86 mm
• Compact for mid/high-end builds
• Premium CORSAIR RMx series design

Power Efficiency

• Cybenetics Gold Certified
• Reduced power loss & heat generation
• Lower electricity consumption

Ideal Use Cases in Pakistan

• High-end gaming PCs
• RTX 40 series builds
• Professional editing / rendering rigs
• Silent workstation setups
• Future-proof custom PC builds

Why Choose CORSAIR RM850x

• One of the most trusted PSU series globally
• Latest ATX 3.1 + PCIe 5.1 support
• Silent + efficient + reliable
• Long-term investment with 10-year warranty

Why Buy from Mustafa Computers

Mustafa Computers is an authorized partner of CORSAIR in Pakistan, offering genuine products, competitive pricing, and nationwide delivery with dependable after-sales support.

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Shipping Policy

Shipping Policy

Free Delivery within Lahore: Available on orders above PKR 10,000 (selected items only).

Other Cities: Free delivery on orders above PKR 15,000. Standard courier charges apply otherwise.

Delivery Time: 3–5 business days (subject to courier and destination).

Couriers: We use TCS and Postex. Bulky items may be shipped via city-to-city cargo, with self-collection for cheaper delivery.

COD Orders

  • Available on selected items only, up to PKR 19,000.
  • 4% government tax applies on COD payments.
  • Orders PKR 19,001–100,000 require 50% advance.
  • Orders above PKR 100,000 require full advance or in-store pickup.
  • Full advance may be required for certain items below PKR 19,000.

Return Policy Warranty

  • 7 Days Return Warranty for defective or incorrect items.
  • Products must be in original packaging with all accessories and documentation.
  • No return for “change of mind”, software, or consumables (e.g., cartridges, toners).

Warranty Claim

  • Warranty coverage is as per manufacturer or Mustafa Computers’ terms.
  • Company may repair, replace, or issue a credit note for valid claims.
  • No warranty for electrical damage, cartridges, or printer heads.
  • Warranty void if item is physically damaged or packaging/accessories are missing.
  • Check warranty applies to used items only.
  • For international warranty, customer bears freight charges.
    Customers must ensure they receive the warranty card and invoice at purchase. (Some items are valid by invoice only.)