DeepCool LS520 240mm AIO Liquid Cooler - Strong 280W TDP Cooling

In this review the DeepCool LS520 240mm AIO is evaluated as a midrange liquid cooler for users who want a reliable, feature-rich solution without premium price premiums. The bottom line: the LS520 is best for gamers and content creators who need consistent cooling up to the stated 280W TDP and value easy cable management and addressable lighting. The review focuses on real-world usability, the updated 4th generation pump, daisy-chain fans, and DeepCool's anti-leak design to explain why this cooler performs well for modern Intel and AMD sockets.

Key Features

• 4th Gen Dual-Chamber Pump: The improved microchannel design and three-phase brushless motor optimize coolant flow for stronger cooling performance and reliability.
• 280W TDP Cooling Capacity: A pure copper cold plate and pre-applied thermal paste combine with the pump design to provide sustained 280W heat dissipation capacity for demanding CPUs.
• Daisy-Chain Fans: Included FC120 fans use a daisy-chain connection to simplify RGB and PWM wiring while allowing synchronized control of multiple fans.
• High-Airflow PWM Fans: 120mm FDB PWM fans spin up to 2250 RPM delivering 85.85 CFM and improved static pressure with noise under 32.9 dB(A) at full load.
• Anti-Leak Technology: A pressure-relief device on the radiator reduces over-pressure leakage risk in high temperature or pressure conditions for added long-term safety.
• Customizable Infinity Mirror: The rotatable pump block and extra blank plate let users orient the logo and add a custom pattern for a personalized look.

Who It's For

The DeepCool LS520 is aimed at PC builders who need dependable cooling for moderate to high TDP CPUs and who appreciate tidy cable management and ARGB aesthetics. It is a good fit for gamers, streamers, and content creators running Intel LGA1700/1200/115x series or AMD AM4/AM5 platforms who want stronger pump performance than typical basic AIOs.

Those who want the absolute quietest possible operation at all times or require exotic radiator sizes or custom-loop performance should look elsewhere; the LS520 balances airflow and acoustic performance rather than pursuing ultra-silent low-speed operation.

Pros & Cons

Pros

• Strong cooling performance from the 4th gen pump and copper plate, suitable for high-load CPUs.
• Cleaner cable setup and synchronization thanks to daisy-chain RGB and PWM fan wiring.
• Good airflow and static pressure from 2250 RPM FDB fans while keeping noise under 32.9 dB(A) at full load.
• Safety-focused Anti-Leak patent tech reduces the risk of over-pressure failures over time.

Cons

• Full-potential mounting recommends a 6 o'clock installation, which may limit placement options in some cases.
• While reasonably quiet under load, it is not the absolute quietest AIO at low RPM compared with some ultra-quiet models.

Specifications

Radiator	240mm
Cooling Capacity	280W TDP
Fans	2 x 120mm FC120 FDB PWM, up to 2250 RPM, 85.85 CFM
Noise Level	<= 32.9 dB(A) at full load
Supported Sockets	Intel LGA1700/1200/1151/1150/1155/2066/2011-v3/2011 and AMD AM4/AM5
Pump	4th Gen dual-chamber pump, three-phase brushless motor
Special Features	Anti-Leak pressure-relief, rotatable pump plate, daisy-chain RGB/PWM

Our Verdict

The DeepCool LS520 240mm AIO is a strong value for builders who need dependable 280W TDP cooling, tidy daisy-chained fan wiring, and ARGB customization. Its improved pump and anti-leak tech make it a practical long-term choice for mainstream enthusiasts who want both performance and visual flair without stepping up to exotic cooling solutions.

Frequently Asked Questions

Does this cooler support my motherboard RGB headers?
Yes, the LS520 supports 5V 3-pin ARGB sync with ASUS Aura, Razer Chroma, Gigabyte Fusion, MSI Mystic Light, and ASRock Polychrome; it defaults to Auto-RGB if no 5V header is present.

What mounting orientation is recommended?
DeepCool recommends a 6 o'clock radiator installation to maximize cooling performance and pump efficiency.

Is the unit protected against leaks?
The cooler includes DeepCool Anti-Leak patent technology with a pressure-relief device on the radiator to reduce over-pressure leakage risk.