Thermalright SI-100 CPU Air Cooler

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87%
87%
Performance
90%
Cooling Efficiency
91%
Noise Level
85%
Build Quality
88%
Ease of Installation
92%
Compatibility
89%
Compact Design
84%
Durability
92%
Value for Money
86%
Thermal Performance under Load
90%
Suitability for Small Cases
65%
Overclocking Support
More

Overview

The Thermalright SI-100 CPU Air Cooler is a compact yet effective solution for cooling your CPU. Its design caters specifically to users who require efficient performance in tight spaces. With compatibility for both AMD AM4/AM5 and Intel LGA 1150/1151/1200/1700 sockets, this cooler is versatile enough for a range of PC builds. The 120mm PWM fan ensures that it provides optimal cooling while maintaining a low noise level, making it ideal for users looking for performance without the extra bulk of larger coolers.

Features & Benefits

One of the standout features of this cooler is its use of AGHP 3.0 technology, which greatly enhances heat dissipation efficiency. The quiet 120mm TL-E12 PWM fan operates at a maximum noise level of just 27.7dB, making it ideal for quiet PC builds. With 6×6mm heat pipes, it offers solid heat transfer, while the compact 100mm height ensures it fits in smaller cases. The long-lasting S-FDB v2.0 bearings help ensure smooth operation and durability, allowing users to enjoy consistent cooling over the long term.

Best For

This cooler is perfect for PC builders with limited space in small or mid-sized cases. It’s also a great choice for users who want efficient and quiet cooling without having to resort to bulky, high-end coolers. Gamers and content creators using either Intel or AMD processors will find it effective at managing heat during moderate workloads. Budget-conscious users who need reliable cooling without paying for premium, oversized solutions will appreciate the performance this cooler delivers at a more affordable price.

User Feedback

Users generally find this cooler to be very quiet and efficient, even under load. Many praise the easy installation process, noting that it fits well in tight spaces. However, some users mention that while it performs admirably for regular use, it may not be suitable for heavy overclocking. Its size and cooling capabilities make it best suited for moderate applications rather than extreme performance scenarios. Overall, it’s a solid choice for those who need balanced cooling without the noise or bulk of larger coolers.

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Pros

  • Compact design makes it a perfect fit for smaller PC builds.
  • Quiet performance, even under load, ensures minimal disruption.
  • The PWM fan offers efficient cooling while keeping noise to a minimum.
  • Easy installation process, making it user-friendly for builders of all skill levels.
  • AGHP 3.0 technology significantly enhances heat dissipation efficiency.
  • Durable S-FDB v2.0 bearings contribute to long-term smooth operation.

Cons

  • Not ideal for users with high-performance needs or heavy overclocking.
  • May struggle to keep up with more demanding processors under intense workloads.
  • Users report limited cooling capacity for larger, more powerful systems.
  • Fan speed is fixed at 2000 RPM, which may not provide enough cooling for extreme scenarios.
  • The height of the cooler may still be a tight fit in some very compact cases.
  • Some users have noted that it doesn’t perform as well in high-temperature environments.

Ratings

After analyzing verified user reviews worldwide, across various languages and platforms, the Thermalright SI-100 CPU Air Cooler has received positive feedback for its compact design, quiet performance, and reliable cooling. Spam, bot/incentivized, duplicated, and off-topic reviews were filtered out, ensuring that only authentic, high-quality feedback contributed to these scores. Both strengths and potential pain points have been reflected in the overall evaluation, offering a balanced perspective from users in diverse regions.

Performance
87%
Many users are impressed by the overall performance of this cooler, particularly its ability to keep CPU temperatures in check during regular usage. The cooler works well even in tight spaces, offering efficient cooling without taking up too much room in smaller cases. For most users, it provides a solid balance between performance and size.
However, a few users note that while it works well for regular tasks, it may struggle with heavy overclocking or high-performance gaming setups. Some also mentioned that it doesn’t offer the extreme cooling power that larger coolers provide for intensive workloads.
Cooling Efficiency
90%
Users consistently highlight the effective cooling capacity of this air cooler, especially for its compact size. The combination of the AGHP 3.0 technology and six heat pipes ensures that heat is dissipated efficiently, even under load. The cooler maintains stable temperatures during moderate use, making it a reliable choice for users seeking good thermal performance in small form factor builds.
On the downside, a few buyers have reported that the cooler struggles to keep up with more demanding tasks like gaming or heavy multitasking, particularly in high-performance PCs. Those who need extensive cooling power might find it less effective when pushing their system to its limits.
Noise Level
91%
The low noise level of this cooler is often praised by users who need a quiet workspace. The PWM fan operates smoothly, with most users finding it inaudible or barely noticeable even under load. The noise level of ≤27.7dB makes it a great choice for anyone sensitive to fan noise in quiet or office environments.
However, there are occasional reports of users noticing slight noise at full fan speed, especially when the system is under load. While it's still relatively quiet, some users have expressed a desire for even quieter options in high-performance scenarios.
Build Quality
85%
The build quality of this cooler is generally well-received, with many users noting its sturdy construction and premium materials. The aluminum body feels solid, and the S-FDB v2.0 bearings contribute to smooth and reliable operation. Overall, it feels like a durable and well-made cooler that should last for a long time.
Some users have raised concerns about the size and overall feel, with a few noting that the cooler’s design seems somewhat dated compared to newer models with sleeker aesthetics. Additionally, the mounting mechanism could be improved for easier installation in tight spaces.
Ease of Installation
88%
Installation of this cooler is straightforward for most users, with many praising how easy it is to mount on both Intel and AMD platforms. The included instructions and intuitive mounting system make it accessible for users with minimal PC-building experience. Even in compact cases, the cooler’s slim profile allows for a hassle-free setup.
A small number of users have reported that the mounting system could be better designed, with some difficulty in aligning the cooler properly on certain motherboards. In very cramped PC cases, the installation can be a bit tight, requiring extra care to avoid interference with other components.
Compatibility
92%
One of the standout features of this cooler is its wide compatibility with both Intel and AMD platforms. It supports a variety of sockets, including AM4, AM5, and LGA 1150/1151/1200/1700, making it a versatile choice for users with different systems. Many buyers appreciate how easy it is to integrate into their builds without needing specialized parts.
While the cooler is compatible with many systems, some users have noted that it may not fit in very specific or older cases with stricter size limitations. In these cases, users may need to carefully measure the space before purchasing to ensure compatibility.
Compact Design
89%
The compact design is one of the cooler’s most praised features. At just 100mm in height, it fits into small or mid-sized cases where larger coolers would not. Users looking to maximize space in their build often prefer this cooler for its ability to fit in tight spaces without sacrificing cooling performance.
However, the compact size also means that some buyers may feel limited in terms of extreme cooling potential. Those looking for more robust heat dissipation for high-end gaming or professional tasks might feel that the size is a bit of a trade-off for performance.
Durability
84%
The durability of the cooler is highly regarded, with many users noting that it continues to perform well over time. The S-FDB v2.0 bearings add to its longevity, helping ensure smooth operation and preventing the fan from wearing out too quickly. The solid construction also contributes to a longer lifespan, even with regular use.
Despite the positive feedback on durability, a few users experienced issues with the cooler’s performance degrading over several months. Some reported that the fan speed would fluctuate or become inconsistent, which could be a concern for those looking for long-term reliability in a cooler.
Value for Money
92%
Many users agree that this cooler offers excellent value for the price. For a relatively affordable price point, it provides solid cooling, low noise, and a reliable design that works well for smaller builds. Compared to larger, more expensive coolers, it offers impressive performance without the high cost.
A few users feel that for the price, the cooling performance could be slightly better under high load, particularly for users with overclocked systems. While it offers good value for casual builds, it may not be the best option for those who need extreme cooling capabilities.
Thermal Performance under Load
86%
This cooler performs well under typical gaming and everyday use, maintaining acceptable temperatures even when the CPU is under load. It is especially favored for moderate use, where users appreciate how well it keeps things cool without running into thermal throttling.
However, when pushed to its limits during heavy gaming or demanding tasks, some users report that it struggles to keep temperatures in check. The cooler is not built for intense workloads, and those who push their systems hard may notice higher temps compared to larger, more powerful coolers.
Suitability for Small Cases
90%
The compact design of this cooler is perfect for users building small form factor or mini-ITX PCs. It fits easily into narrow cases without obstructing other components. Buyers with limited space appreciate that this cooler allows them to maintain solid cooling performance without needing to compromise on case size.
Though great for small cases, it may not be the best choice for larger setups where cooling demands are higher. Some users have noted that its performance may be lacking in bigger builds or systems requiring more cooling capacity, making it less versatile for larger or overclocked systems.
Overclocking Support
65%
35%
Some users appreciate the cooler's ability to handle moderate overclocking without issues. For those who do mild overclocking or engage in light gaming, it does a decent job maintaining temperatures.
However, it falls short when it comes to supporting heavy overclocking. Users who push their systems for higher performance or extreme workloads often find the cooling inadequate, as the thermal performance does not scale well with higher heat generation.

Suitable for:

The Thermalright SI-100 CPU Air Cooler is ideal for users with compact PC builds, especially those working with small or mid-sized cases. It offers efficient cooling performance without taking up too much space, making it an excellent choice for individuals building mini-ITX or micro-ATX systems. Gamers and content creators using moderate Intel or AMD processors will also benefit from its balanced performance, particularly those on a budget looking for a quieter, more space-efficient cooler. Its easy installation process is an added bonus for PC builders who prefer simplicity over complex setups, without compromising on cooling efficiency for daily use and light gaming tasks.

Not suitable for:

However, the Thermalright SI-100 CPU Air Cooler may not be the best choice for users looking to push their systems to extreme performance levels. Those planning to engage in heavy overclocking or high-end gaming may find its cooling capabilities limited, as it is designed for moderate cooling needs. Users with larger PC builds or more demanding thermal requirements might struggle to achieve optimal performance with this air cooler. Additionally, those seeking absolute silence may notice slight fan noise under full load, which could be a concern in ultra-quiet environments.

Specifications

  • Socket Compatibility: Compatible with AMD AM4/AM5 and Intel LGA 1150/1151/1200/1700 sockets.
  • Fan Size: Equipped with a 120mm PWM fan for efficient cooling and low noise.
  • Fan Speed: The fan operates at a maximum speed of 2000 RPM.
  • Noise Level: The cooler operates at a maximum noise level of ≤27.7dB.
  • Height: The cooler has a compact height of 100mm, making it ideal for smaller cases.
  • Heat Pipes: Features 6×6mm heat pipes for effective heat transfer and cooling.
  • Cooling Method: Uses air cooling to efficiently dissipate heat from the CPU.
  • Max Air Flow: Maximum air flow is rated at 72.37 CFM.
  • Material: Constructed from durable aluminum for lightweight and efficient cooling.
  • Bearing Type: Uses long-lasting S-FDB v2.0 bearings for smooth and quiet operation.
  • Dimensions: Measures 120(L) x 108(W) x 100(H) mm in size.
  • Weight: Weighs 0.64kg (1.4lb), providing a solid but lightweight solution.
  • Mounting Compatibility: Mounting kit is compatible with both Intel and AMD platforms.
  • Cooling Technology: Features AGHP 3.0 technology for enhanced heat dissipation efficiency.
  • Performance: Designed to deliver optimal performance for mid-range cooling needs.
  • Application: Ideal for small to mid-sized PC builds with limited space.
  • Installation: Installation is easy with included mounting hardware for Intel and AMD sockets.
  • Target Users: Best suited for PC builders, gamers, and content creators on a budget.

FAQ

The Thermalright SI-100 is a compact and efficient CPU air cooler designed for AMD AM4/AM5 and Intel LGA 1150/1151/1200/1700 sockets. Its 120mm PWM fan provides optimal cooling performance while maintaining low noise levels, making it a great option for users with limited space in small PC builds.

Installation of this cooler is relatively straightforward. It includes all necessary mounting hardware for Intel and AMD platforms. First, apply thermal paste to the CPU, attach the cooler to the socket, and secure it with the included mounting kit. The 120mm fan clips onto the cooler, and the whole unit is ready for use.

The Thermalright SI-100 is designed for compact PC builds and fits in most small to mid-sized cases. With a height of only 100mm, it's ideal for systems with limited space. However, it might not fit in very compact cases or those with low-clearance components, so be sure to check your case specifications before purchasing.

The SI-100 operates very quietly due to its 120mm TL-E12 PWM fan, which has a maximum noise level of 27.7dB. Most users report that it stays quiet even under load, making it a great option for noise-sensitive environments like home offices or gaming setups.

While the Thermalright SI-100 provides efficient cooling for regular use, it's not the best choice for extreme overclocking. It's designed to handle moderate cooling needs and works well for most standard CPUs but may struggle to maintain temperatures under heavy overclocking conditions.

AGHP 3.0 technology in the SI-100 refers to an advanced heat-pipe system that enhances heat dissipation efficiency. This helps improve thermal performance by allowing the cooler to transfer heat away from the CPU more effectively, ensuring stable performance even during intense use.

The SI-100 is built with durable S-FDB v2.0 bearings, which are designed to last for many years of continuous use. The robust construction and high-quality components contribute to long-term reliability, making it a solid choice for users looking for a reliable, long-lasting cooler.

No, the Thermalright SI-100 does not come with thermal paste. You will need to purchase thermal paste separately or use any leftover paste from previous installations. Make sure to apply a thin, even layer for optimal performance.

Yes, the SI-100 is an excellent choice for budget-conscious users who need efficient and quiet cooling without the high price tag of larger coolers. Its compact size and solid performance make it ideal for small to mid-sized builds without breaking the bank.

Yes, the SI-100 is well-suited for mini-ITX builds due to its compact height of only 100mm. It's a great option for users building small-form-factor PCs where space is limited but efficient cooling is still needed.