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header-product Liquid cooling kit Cooler Master MasterLiquid ATMOS Stealth Series — 120 mm fan, LDB bearing, Black, supports AM5/AM4/LGA1700
136.99 €

Liquid cooling kit Cooler Master MasterLiquid ATMOS Stealth Series — 120 mm fan, LDB bearing, Black, supports AM5/AM4/LGA1700

Cooler Master MasterLiquid ATMOS Stealth 120 mm liquid kit Photo 1
Cooler Master MasterLiquid ATMOS Stealth 120 mm liquid kit Photo 2
Cooler Master MasterLiquid ATMOS Stealth 120 mm liquid kit Photo 1
Cooler Master MasterLiquid ATMOS Stealth 120 mm liquid kit Photo 2
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Liquid cooling kit Cooler Master MasterLiquid ATMOS Stealth Series — 120 mm fan, LDB bearing, Black, supports AM5/AM4/LGA1700

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Liquid cooling kit Cooler Master MasterLiquid ATMOS Stealth Series — 120 mm fan, LDB bearing, Black, supports AM5/AM4/LGA1700

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Short description

Cooler Master MasterLiquid ATMOS Stealth Series is a 120 mm liquid cooling kit for CPUs featuring a 120 mm fan with Loop Dynamic Bearing (LDB), 0–2400 RPM range, 127.6 m³/h airflow and 3.63 mmH2O maximum air pressure. The black compact cooler weighs 1.684 kg and supports common sockets including AM5, AM4 and LGA 1700, suitable for gaming and high-performance builds that require efficient processor cooling.
Available at price 136.99 €: 8 pcs.
Total available for order: 24 pcs.
Warranty: 2 Years
SKU: 12095457
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
23.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 2.39 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
28.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Available for private customers at price 140.49 €: 8 pcs.
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Product information

Description

Cooler Master MasterLiquid ATMOS Stealth Series is a compact 120 mm liquid cooling kit designed for CPU cooling in gaming and high-performance desktop systems. The kit includes a 120 mm Mobius fan with Loop Dynamic Bearing (LDB) and a refined dual chamber pump. The all-black, low-profile cooler supports modern CPU sockets such as AM5, AM4 and LGA 1700 and is built with eco-conscious materials including a pump top cover made from recycled plastic.

Advantages

The dual chamber pump design increases water pressure and optimizes flow to the CPU hot spot for more efficient heat transfer. Preinstalled 120 mm Mobius fans provide a balance of airflow and noise control while simplifying installation. The compact black design and removable transparent pump cover allow a stealthy aesthetic and optional customization. Construction incorporates recycled plastics and recyclable metal components to reduce environmental impact.

Suitable for

  • Compact gaming PC builds requiring a single 120 mm liquid cooler
  • Home and office desktops with AM5, AM4 or LGA 1700 sockets
  • Users who prefer a non-RGB, blackout cooling solution

Key specifications

  • Type: Liquid cooling kit
  • Fan diameter: 120 mm
  • Fan bearing: Loop Dynamic Bearing (LDB)
  • Fan speed range: 0–2400 RPM
  • Airflow (manufacturer): 127.6 m³/h
  • Maximum air pressure: 3.63 mmH2O
  • Radiator/fan dimensions: 120 x 120 x 25 mm (fan)
  • Colour: Black
  • Weight: 1.684 kg
  • Supported processor sockets: Socket AM5, Socket AM4, LGA 1700 (plus legacy LGA 115x/1200 where applicable)

How to use

Mount the radiator and preinstalled 120 mm fan in a compatible 120 mm fan location inside the chassis, ensuring airflow direction suits your case cooling layout. Install the dual chamber pump block onto the CPU following the socket-specific mounting hardware included with the kit; align the pump over the CPU heatspreader and secure it according to the cooler's mounting instructions. Connect the fan and pump power connectors to appropriate motherboard headers or fan controllers and verify pump and fan operation in BIOS or monitoring software before loading the system.

Usage recommendations

For optimal cooling performance, ensure the radiator has unobstructed airflow and that case fans create a consistent intake or exhaust path. Regularly inspect tube clips and connection points for secure fitment, and maintain general system dust management to preserve fan airflow and radiator efficiency.

Specifications

Type:
Liquid cooling kit
Fan diameter:
120 mm
Weight:
1.684 kg
Supported processor sockets:
Socket AM5, Socket AM4, LGA 1700, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5)
Product colour:
Black
All features

Performance

Type:
Liquid cooling kit
Fan diameter:
120 mm
Supported processor sockets:
Socket AM5, Socket AM4, LGA 1700, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5)
Noise level (high speed):
30 dB
Rotational speed (min):
0 RPM
Rotational speed (max):
2400 RPM
Maximum airflow:
75.2 cfm
Airflow:
127.6 m³/h
Maximum air pressure:
3.63 mmH2O
Bearing type:
Loop Dynamic Bearing (LDB)
Suitable location:
Processor
Pump motor speed:
3400 RPM
Pump noise level:
25 dB
Pump's mean time to failure (MTTF):
210000 h
Fan's mean time to failure (MTTF):
200000 h

Design

Product colour:
Black
Number of fans:
3 fan(s)
Fan connector:
4-pin
Radiator material:
Aluminum

Weight & dimensions

Weight:
1.684 kg
Package weight:
2544 g
Package depth:
410 mm
Package height:
136 mm
Package width:
211 mm
Radiator width:
119.6 mm
Radiator depth:
394 mm
Radiator height:
27.2 mm
Fan dimensions (W x D x H):
120 x 120 x 25
Pump width:
84.9 mm
Pump depth:
81 mm
Pump height:
53.15 mm

Power

Rated current:
0.18 A
Pump voltage:
12
Rated voltage:
12 V
Fan power consumption:
2.16 W
Pump power consumption:
3.84 W
Safety current:
0.35 Ah

Other features

Master (outer) cases per pallet:
4 pc(s)

Logistics data

Master (outer) case height:
310 mm
Master (outer) case width:
440 mm
Master (outer) case length:
442 mm

Description

Machine translation. Load original

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Stock data
Warehouse Stock Delivery to the store Store Price
EU3 8 09.07.2026 Best delivery 140.49 €
WH354 8 16.07.2026 151.49 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 8 23.07.2026 136.99 € Best price
140.49 €
Stock: 8
Delivery Date: 09.07.2026 Best delivery
Warehouse: EU3
151.49 €
Stock: 8
Delivery Date: 16.07.2026
Warehouse: WH354
Available only for legal entities
136.99 €
Stock: 8
Delivery Date: 23.07.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the Cooler Master MasterLiquid ATMOS Stealth 120 mm liquid kit cost, and is it available for purchase?

The price is 136.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 23.07.2026 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

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 Cooler Master 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 Cooler Master 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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 Stealth 120 mm liquid kit?

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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.