# Cooler Master MasterLiquid Atmos II 240 Liquid CPU Cooler, 120mm Fans, Black

**URL:** https://aio.lv/en/product--oem-556519--12409961
**Data updated:** 2026-05-09 16:15 (EEST)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** OEM
**Manufacturer code:** 556519
**EAN:** 4719512159675
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 154.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 127.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-556519--12409961

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Cooler Master MasterLiquid Atmos II 240 is a high-performance liquid cooling kit designed for efficient CPU thermal management. Featuring dual 120mm fans and a robust pump design, it ensures optimal airflow and quiet operation. Compatible with a wide range of Intel and AMD sockets, including LGA 1700 and AM5, this black all-in-one cooler provides reliable heat dissipation for demanding gaming and workstation builds.

## Long description

The Cooler Master MasterLiquid Atmos II 240 is a high-performance liquid cooling kit designed to provide efficient thermal management for your processor. This all-in-one solution features a dual-chamber pump design and high-quality fans, ensuring that your CPU remains cool even during intensive tasks. Its sleek black aesthetic and ultra-low profile pump make it a versatile choice for various PC builds, from compact workstations to high-end gaming rigs.
Advantages
The system utilizes a specialized VRM fan module that directs airflow to motherboard hot zones, significantly improving system stability and reducing component temperatures. The patented dual-chamber pump design optimizes water flow directly to the CPU hotspot, while the durable pump housing, constructed from PPS and fiberglass, ensures long-term reliability. Furthermore, the pre-installed SickleFlow Edge ARGB fans provide a balance of high-pressure cooling and low-noise operation, making it an excellent choice for users who prioritize both performance and a quiet environment.
Suitable for
High-performance gaming PCs
Professional workstations requiring stable thermal management
Compact PC builds where space is limited
Systems utilizing modern Intel or AMD processors
When it may not be suitable
This liquid cooling kit may not be suitable for PC cases that do not support 240mm radiator mounting points. Additionally, users with older processor sockets not listed in the compatibility specifications will need to consider alternative cooling solutions.
Key specifications
Type: Liquid cooling kit
Fan diameter: 120 mm
Airflow: 240.35 m³/h
Bearing type: Loop Dynamic Bearing (LDB)
Supported sockets: LGA 1150, 1151, 1155, 1156, 1200, 1700, 1851, AM4, AM5
Radiator dimensions: 122 x 241 x 26.5 mm
Pulse-width modulation (PWM) support
How to use
Installation is straightforward thanks to the included quick-mount kit, which is designed to be compatible with a wide range of mainstream processor sockets. Begin by securing the radiator to your case and mounting the pump block onto the CPU using the appropriate bracket for your socket type. Ensure that the thermal paste is applied evenly between the CPU and the pump base. Connect the fan and pump cables to the corresponding headers on your motherboard to enable PWM control for automatic speed adjustment based on temperature.
What to consider before purchase
Verify that your PC case has sufficient clearance for a 240mm radiator.
Check your motherboard manual to confirm compatibility with the included offset mounting brackets for specific sockets.
Ensure your power supply has the necessary headers for ARGB and fan control.
Usage recommendations: For optimal thermal performance, ensure the radiator is mounted in a position that allows for efficient exhaust or intake airflow. Regularly clean the fans and radiator fins from dust to maintain maximum cooling efficiency over time.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | Liquid cooling kit |
| Fan diameter | 120 mm |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5 |
| Maximum airflow | 141.4 cfm |
| Airflow | 240.35 m³/h |
| Bearing type | Loop Dynamic Bearing (LDB) |
| Pulse-width modulation (PWM) support | Yes |
| Suitable location | Processor |
| Pump motor speed | 3400 RPM |
| Fan speed (max) | 2500 RPM |
| Fan speed (min) | 690 RPM |
| Quantity per pack | 1 pc(s) |
| Fan noise level (max) | 36 dB |
| Pump noise level | 25 dB |
| Fan static pressure | 3.61 mmH2O |
| Pump's mean time to failure (MTTF) | 210000 h |
| Fan's mean time to failure (MTTF) | 160000 h |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Material | Aluminium |
| Illumination colour | Multi |
| Number of fans | 2 fan(s) |
| Fan connector | 7-pin |
| Radiator material | Aluminum |
| Illumination LED | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.41 kg |
| Package weight | 2260 g |
| Package depth | 292 mm |
| Package height | 136 mm |
| Package width | 211 mm |
| Radiator width | 119.2 mm |
| Radiator depth | 277 mm |
| Radiator height | 27 mm |
| Tube length | 350 mm |
| Fan dimensions (W x D x H) | 122 x 241 x 26.5 |
| Pump width | 87 mm |
| Pump depth | 92.5 mm |
| Pump height | 39 mm |

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 6 year(s) |

### Power

| Feature | Value |
|---|---|
| Pump voltage | 12 |
| Fan voltage | 12 V |
| Fan current | 0.5 A |
| Fan power consumption | 6 W |
| Pump power consumption | 3.84 W |
| Safety current | 0.8 Ah |
| VRM fan power consumption | 2 W |

### Packaging content

| Feature | Value |
|---|---|
| Package type | Box |
| Mounting kit | Yes |

## FAQ

### How much does the Cooler Master MasterLiquid Atmos II 240 Liquid CPU Cooler cost, and is it available for purchase?

The price is 154.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 104 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Cooler Master MasterLiquid Atmos II 240 Liquid CPU Cooler be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, fan diameter, weight, supported processor sockets, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Cooler Master MasterLiquid Atmos II 240 Liquid CPU Cooler?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12409961/68708400_large.webp