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Aluminium backplate cooler with two black 70mm PWM fans for RTX 3090

PANO-MOUNTS

PANO-MOUNTS RTX 3090 Backplate Cooler Dual 70mm PWM Fan

SKU CH-N03C-SJ57N

Aluminium backplate with dual 70 mm PWM fans cools RTX 3090, 3080 and 3070 memory, adjustable 1500–2800 RPM, 16–20 dBA

  • Bearing Type2 Ball
  • CompatibilityVGA Card Memory
  • RPMVariable
  • Air FlowVariable
  • Noise LevelVariable
  • Power Connector4 Pin

Option GPU Backplate Cooler

  • Dual 70 mm PWM fans cut memory temps from 70 °C to 48 °C
  • 5 mm 6061 aluminium heatsink gives 50 % more dissipation area than 1 mm plates
  • Dual ball bearings rated 50 000 hours for long silent life
  • Elastic latch clips on fast without tools on flat RTX 3090/3080/3070 backs
  • 4-pin 2510 PWM runs 1500–2800 RPM at 16–20 dBA

GPU Backplate Cooler for RTX 3090

This aluminium heatsink with dual 70 mm PWM fans mounts on the memory side of an RTX 3090. It targets owners who see high memory temperatures under sustained loads. The 4-pin connector allows automatic speed control between 1500 and 2800 RPM. Installation uses an upgraded elastic latch that fits flat surfaces on compatible cards.

Upgrade from passive backplates

A bare metal backplate relies on case airflow alone. This cooler adds active dual-ball-bearing fans rated for 50000 hours and a 1.5 mm thick 6061 aluminium sink. The jump is worth it when memory junctions run above 70 °C and throttle clocks. Tests cited by the maker show a drop to 48 °C after fitment. Noise stays between 16 and 20 dBA at typical speeds.

Build integration notes

The unit measures 180 x 90 x 15 mm and adds 15 mm of height behind the card. Verify clearance against side panels and cable routing before buying. A 4-pin PWM header on the motherboard or a fan hub is required for speed control. Thermal pads are not included; source pads matched to your memory module thickness. The cooler also fits flat RTX 3080 and 3070 boards. Buyers needing VRM cooling or a full-cover water block should look elsewhere.

特長

  • Dual 70 mm PWM fans cut memory temps from 70 °C to 48 °C
  • 5 mm 6061 aluminium heatsink gives 50 % more dissipation area than 1 mm plates
  • Dual ball bearings rated 50 000 hours for long silent life
  • Elastic latch clips on fast without tools on flat RTX 3090/3080/3070 backs
  • 4-pin 2510 PWM runs 1500–2800 RPM at 16–20 dBA

仕様

Bearing Type2 Ball
CompatibilityVGA Card Memory
RPMVariable
Air FlowVariable
Noise LevelVariable
Power Connector4 Pin
Fan ColorBlack
Heatsink MaterialAluminum
FeaturesLIGHTWEIGHT & STURDY
Fan Dimensions2x (70x70x15mm)
Heatsink Dimensions2x (70x70x15mm)
Package Contentsfan

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この商品に関する質問

Will the 180 x 90 mm aluminium heatsink clear the backplate on my RTX 3090?

The heatsink measures 180 x 90 x 15 mm and is designed to sit on a flat surface, so it fits RTX 3090, 3080 and 3070 cards with a flat backplate area.

How do I attach the cooler and which step do builders often miss?

Clip the upgraded elastic latch onto the card, then plug the 4-pin 2510 PWM connector into a motherboard or GPU fan header; the missed step is adding thermal pads (not included) between heatsink and memory chips.

When will the dual 70 mm fans need replacement?

The dual ball-bearing fans are rated for 50,000 hours of operation at 1500–2800 RPM, so under typical gaming loads they should last several years before a swap is needed.

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