# Rosewill CPU Liquid Cooler, Closed Loop PC Water Cooling, Quiet Dual 120mm PWM Fans, Intel LGA 2011/2066/1366/1150/1151/1155/1156/775, AMD AM4/AM3+/AM3/AM2+/AM2/AM1/FM2+/FM1 -PB240

- Category: CPU Cooler
- Brand: Rosewill
- Model: PB240
- Part number: PB240
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.3/5 from 908 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/cpu-cooler/rosewill-pb240/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Rosewill |
| Model | PB240 |
| FAN RPM | 600 to 1800 RPM |
| Noise Level | 34.1 dBA |
| Number of Fans | 2 |
| Water Cooled | Yes |
| Color | Black |

## Key Features

- CPU Water Cooler: Transfer heat away from your CPU and GPU more quickly than air with this water-based coolant method of cooling, featuring low-evaporation tubes to keep coolant from drying up too quickly.
- CLOSED LOOP COOLER: This self-contained cooling system, closed loop design with pre-filled coolant is virtually immune to leaks with no refill needed, even with rapid liquid circulation from the built-in high power water pump on radiator
- PWM FANS SPEED CONTROL: Dual 120mm fans with 4-pin pulse-width modulation allows you to ramp up or lower your fans and pump speed, giving you more control
- EASY INSTALLATION: Effortlessly upgrade your stock CPU fan to the efficiency of Intel/AMD compatible liquid CPU cooling in a few easy steps
- PERFORMANCE COPPER BASE: Equipped with a microfin, slim copper cold plate cooling block for better thermal conductivity, effective heat transfer and low noise

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