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ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower vs ID-COOLING IS-55 Black CPU Cooler Low Profile

Updated August 2026 — ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower wins on design and aesthetic appeal, ID-COOLING IS-55 Black CPU Cooler Low Profile wins on ram clearance.

The ID-COOLING FROZN A620 PRO SE offers superior cooling performance and aesthetics compared to the ID-COOLING IS-55 Black, making it the better choice for most users.

Why ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower is better

Cooling Performance

FROZN A620 PRO SE has 6 heat pipes vs 5 in IS-55.

Height Clearance

FROZN A620 PRO SE supports RAM up to 63mm.

Noise Level

FROZN A620 PRO SE is quieter at max load.

Why ID-COOLING IS-55 Black CPU Cooler Low Profile is better

Size

IS-55 is low-profile at 57mm height.

Price

IS-55 is cheaper for compact builds.

Noise Range

IS-55 can operate quieter at low speeds.

Overall score

ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower
85
ID-COOLING IS-55 Black CPU Cooler Low Profile
75

Specifications

SpecID-COOLING FROZN A620 PRO SE - Blackout Dual-TowerID-COOLING IS-55 Black CPU Cooler Low Profile
Cooling TypeAirAir
Fan Count21
Max AirflowN/A54.6 CFM
PWM ControlYesYes
Socket CompatibilityIntel LGA1700/1851/1200/115X; AMD AM4/AM5Intel LGA1851/1700/115X/1200; AMD AM4/AM5

Dimension comparison

ID-COOLING FROZN A620 PRO SE - Blackout Dual-TowerID-COOLING IS-55 Black CPU Cooler Low Profile

Overview of the Products

The ID-COOLING FROZN A620 PRO SE is priced at $29.99, while the ID-COOLING IS-55 Black comes at a higher price of $39.99, making the latter about 33% more expensive. Both products are designed to provide effective cooling solutions for CPUs, but they cater to different user needs and system configurations. The former features a dual-tower design, while the latter is a low-profile cooler, making them suitable for distinct types of builds.

Design and Aesthetics

The ID-COOLING FROZN A620 PRO SE boasts a dual-tower design that not only enhances its cooling performance but also adds an aesthetic appeal suitable for dark-themed setups. Its height of 157mm allows it to fit in most tower cases, providing flexibility in terms of case compatibility. In contrast, the ID-COOLING IS-55 Black features a compact low-profile design, standing at just 57mm tall. This makes it an ideal choice for users with smaller form factor builds like HTPCs and Mini-ITX systems, where space is at a premium.

Cooling Performance

When it comes to cooling performance, the ID-COOLING FROZN A620 PRO SE is equipped with six Ф6mm heat pipes and dual 120mm PWM fans, which ensure better heat dissipation and quieter operation with a maximum noise level of 27.2 dB(A). On the other hand, the ID-COOLING IS-55 Black utilizes five heat pipes and a single 120x120x15mm PWM fan, achieving a maximum airflow of 54.6 CFM. However, its noise level ranges from 13.8 to 31.2 dB(A), making it potentially quieter at lower speeds, but less capable of extreme cooling compared to the FROZN A620 PRO SE.

RAM Compatibility

The ID-COOLING FROZN A620 PRO SE provides 40mm of clearance for standard RAM, accommodating modules up to 63mm in height with its cut-out fin design. This feature allows for substantial flexibility in RAM selection, especially for high-performance setups. Conversely, while the ID-COOLING IS-55 Black is designed to fit in tighter spaces, its low-profile stature also grants excellent memory compatibility, making it suitable for Mini-ITX motherboards. However, it does not specify the exact clearance for RAM height, which may be a consideration for users with specialized RAM.

Noise Levels

In terms of noise levels, the ID-COOLING FROZN A620 PRO SE operates at a maximum of 27.2 dB(A), which is relatively quiet for a dual-fan setup, ensuring that it won’t disturb users during operation. The ID-COOLING IS-55 Black, with its PWM fan, can vary from 13.8 dB(A) at lower speeds up to 31.2 dB(A) at maximum output. This variability can be advantageous for users who prioritize silence during low-load conditions but might experience more noise during intensive tasks.

Price Comparison

At $29.99, the ID-COOLING FROZN A620 PRO SE is the more budget-friendly option, while the ID-COOLING IS-55 Black is priced at $39.99, making it approximately 33% more expensive. This price difference is significant, especially for budget-conscious consumers looking to maximize performance without overspending. However, the additional cost of the IS-55 may be justified for users specifically needing a low-profile cooler for compact builds.

Installation and Compatibility

The installation processes for both coolers are designed to be user-friendly, but they cater to different setups. The ID-COOLING FROZN A620 PRO SE, with its larger footprint, is straightforward to install in conventional tower cases and has compatibility with a range of Intel and AMD sockets. The ID-COOLING IS-55 Black, being a low-profile cooler, is particularly convenient for installations in tight spaces, such as small form factor builds, also offering broad compatibility across Intel LGA and AMD AM platforms.

Which should you buy?

Choosing between the ID-COOLING FROZN A620 PRO SE and the ID-COOLING IS-55 Black ultimately depends on your specific needs and system configuration. If you have the space and are looking for superior cooling performance and aesthetics, the FROZN A620 PRO SE is the better choice at $29.99. However, if you're working with a compact build and need a cooler that fits in tight spaces, the ID-COOLING IS-55 Black offers a low-profile solution at a higher price of $39.99. Each cooler has its strengths, making the decision largely dependent on your unique requirements for CPU cooling.