iUniker Active Cooler for Raspberry Pi 5 vs SCYTHE Big Shuriken 4 Low Profile CPU Cooler, 4.7"
Updated August 2026 — iUniker Active Cooler for Raspberry Pi 5 wins on noise level and installation, SCYTHE Big Shuriken 4 Low Profile CPU Cooler, 4.7" wins on cooling efficien and compatibility.
The iUniker Active Cooler is ideal for Raspberry Pi users seeking a budget-friendly and quiet solution, while the SCYTHE Big Shuriken 4 is better for those needing versatile, high-performance cooling.
Why iUniker Active Cooler for Raspberry Pi 5 is better
Price
iUniker is significantly cheaper at $9.99.
Noise
iUniker operates below 18 dB.
Installation
iUniker has a simpler installation process.
Why SCYTHE Big Shuriken 4 Low Profile CPU Cooler, 4.7" is better
Cooling Power
SCYTHE supports up to 200W.
Compatibility
SCYTHE is compatible with more devices.
Build Quality
SCYTHE features six heat pipes for better cooling.
Overall score
Specifications
| Spec | iUniker Active Cooler for Raspberry Pi 5 | SCYTHE Big Shuriken 4 Low Profile CPU Cooler, 4.7" |
|---|---|---|
| Price | $9.99 | $32.99 |
| Noise Level | <18 dB | 31.78 dB |
| Cooling Type | Active | Active |
| Installation | Easy | Moderate |
| Compatibility | Raspberry Pi 5 | Desktop, Laptop |
| Heat Pipes | 0 | 6 |
Dimension comparison
Product Overview
The iUniker Active Cooler for Raspberry Pi 5 is priced at $9.99, while the SCYTHE Big Shuriken 4 Low Profile CPU Cooler is available for $32.99. The significant price difference of about 230% highlights the varying target audiences and use cases for these products. The iUniker cooler is designed specifically for Raspberry Pi 5 users seeking a compact, efficient cooling solution, while the SCYTHE cooler aims to serve a broader range of desktop, laptop, and server users requiring advanced cooling performance.
Design and Build Quality
The iUniker Active Cooler features an aluminum heatsink with pre-applied thermal tape, designed for easy installation and effective heat dissipation. Its ultra-quiet PWM fan operates at levels below 18 dB, ensuring silent functionality during demanding tasks. In contrast, the SCYTHE Big Shuriken 4 has a compact design with dimensions of 4.7" x 4.8" x 2.6", making it suitable for Mini-ITX PCs while still providing substantial cooling power through its six heat pipes. Both products exhibit thoughtful design, but the SCYTHE cooler offers a more versatile application for various systems.
Cooling Performance
In terms of cooling efficiency, the iUniker cooler is optimized for the Raspberry Pi 5, ensuring CPU temperatures stay below 56°C even under stress, outperforming passive cooling solutions by 20-30°C. The SCYTHE Big Shuriken 4, with a power rating of 200W, is designed to deliver quicker cooling performance than its predecessor, the Shuriken 3. This capability makes it a robust choice for modern hardware, particularly for those needing to maintain lower temperatures in compact builds. Therefore, while both coolers excel in their respective categories, the SCYTHE cooler may cater to more demanding applications.
Noise Levels
The iUniker Active Cooler emphasizes silent operation, boasting noise levels below 18 dB. This feature makes it an excellent choice for environments where noise is a concern, such as home studios or living spaces. On the other hand, the SCYTHE Big Shuriken 4 operates at a sound level of 31.78 dB. While this is relatively quiet for a CPU cooler, it does not match the near-silent performance of the iUniker. Users prioritizing noise reduction may find the iUniker cooler to be a more attractive option.
Installation Process
The installation of the iUniker cooler is straightforward and user-friendly, as it comes with pre-applied thermal tape and screws, allowing users to set it up in minutes. This ease of installation is particularly appealing for Raspberry Pi enthusiasts who may not possess extensive technical skills. The SCYTHE Big Shuriken 4, while also designed for relative ease, requires more consideration due to its compatibility with various sockets and systems, including Intel LGA 1851 and AMD AM5 support. Both coolers offer installation advantages, but the iUniker stands out for its simplicity.
Compatibility
The iUniker Active Cooler is specifically designed for the Raspberry Pi 5, ensuring a perfect fit and compatibility with PWM speed control via Raspberry Pi OS. This targeted design makes it ideal for users centered around Raspberry Pi projects. In contrast, the SCYTHE Big Shuriken 4 is compatible with a broader range of devices, including desktops and laptops, making it a versatile choice for users with varying setups. Those who require a multi-device compatible cooler may find the SCYTHE product more beneficial.
Price Comparison
The iUniker Active Cooler is priced at $9.99, making it an economically attractive option, especially for Raspberry Pi users. This price point is about 70% cheaper than the SCYTHE Big Shuriken 4, which retails for $32.99. While the iUniker offers excellent value for its specific application, the SCYTHE cooler's higher price reflects its advanced features and broader compatibility. Users must consider their budget and specific cooling needs when selecting between the two.
Which should you buy?
Ultimately, the choice between the iUniker Active Cooler for Raspberry Pi 5 and the SCYTHE Big Shuriken 4 Low Profile CPU Cooler hinges on your specific needs. If you are a Raspberry Pi 5 user looking for an affordable, quiet, and efficient cooling solution, the iUniker is the clear winner at $9.99. However, if you're in need of a versatile, high-performance cooler for a desktop or laptop environment, the SCYTHE Big Shuriken 4 at $32.99 may be worth the investment. Each product excels in its domain, making your intended use a crucial factor in your decision.

