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header-product All-in-one liquid cooler ASUS ProArt LC 420 — 420 mm radiator, 3×140 mm PWM fans, 800–2000 RPM, copper water block, black
258.99 €

All-in-one liquid cooler ASUS ProArt LC 420 — 420 mm radiator, 3×140 mm PWM fans, 800–2000 RPM, copper water block, black

ASUS ProArt LC 420 liquid CPU cooler Photo 1
ASUS ProArt LC 420 liquid CPU cooler Photo 2
ASUS ProArt LC 420 liquid CPU cooler Photo 3
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ASUS ProArt LC 420 liquid CPU cooler Photo 5
ASUS ProArt LC 420 liquid CPU cooler Photo 6
ASUS ProArt LC 420 liquid CPU cooler Photo 7
ASUS ProArt LC 420 liquid CPU cooler Photo 8
ASUS ProArt LC 420 liquid CPU cooler Photo 9
ASUS ProArt LC 420 liquid CPU cooler Photo 1
ASUS ProArt LC 420 liquid CPU cooler Photo 2
ASUS ProArt LC 420 liquid CPU cooler Photo 3
ASUS ProArt LC 420 liquid CPU cooler Photo 4
ASUS ProArt LC 420 liquid CPU cooler Photo 5
ASUS ProArt LC 420 liquid CPU cooler Photo 6
ASUS ProArt LC 420 liquid CPU cooler Photo 7
ASUS ProArt LC 420 liquid CPU cooler Photo 8
ASUS ProArt LC 420 liquid CPU cooler Photo 9
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All-in-one liquid cooler ASUS ProArt LC 420 — 420 mm radiator, 3×140 mm PWM fans, 800–2000 RPM, copper water block, black

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All-in-one liquid cooler ASUS ProArt LC 420 — 420 mm radiator, 3×140 mm PWM fans, 800–2000 RPM, copper water block, black

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Short description

ASUS ProArt LC 420 is an all-in-one liquid CPU cooler with a 420 mm aluminum radiator and three 140 mm PWM fans (800–2000 RPM) providing up to 107 CFM (182.5 m³/h) and 4.18 mmH2O static pressure. It features a copper water block, 45 cm tubing, broad socket support (Intel LGA 1200/1700/115x and AMD AM4/AM5), and is supplied with mounting screws and fan cables.
Available at price 258.99 €: 2 pcs.
Total available for order: 116 pcs.
Warranty: 2 Years
SKU: 10780314
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
13.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
16.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 3.19 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
16.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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3 mth. х 86.33 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 7.19 euros per month
Together cheaper
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Product information

Description

The ASUS ProArt LC 420 is an all-in-one liquid cooler designed for high-performance systems. It combines a 140 mm Noctua IndustrialPPC fan with a three-phase performance motor to deliver efficient thermal management while maintaining low noise levels. The unit features a sleek black finish and an illuminated meter on the pump cover that shows live system statistics such as load, temperatures, and fan speeds for quick status checks.

Advantages

The ProArt LC 420 offers strong cooling performance with a fan speed range of 800–2000 RPM and an airflow rating of 182.5 m³/h, while its three-phase motor and Noctua IndustrialPPC fan prioritize quiet operation. The illuminated meter provides immediate system information without additional software, and the compact, black design integrates unobtrusively into most builds.

Suitable for

  • High-performance desktop CPUs in content creation workstations
  • Gaming PCs that require effective CPU cooling with low noise
  • Systems using supported sockets such as LGA 1700, AM5, AM4 and Intel LGA 115x

Key specifications

  • Type: All-in-one liquid cooler
  • Fan diameter: 140 mm
  • Fan speed: 800–2000 RPM
  • Airflow: 182.5 m³/h
  • Supported sockets: LGA 1150/1151/1155/1156/1200/1700, Socket AM4, AM5
  • Product colour: Black
  • Weight: 1.43 kg

How to use

Install the radiator and fan assembly in a compatible chassis location according to your case layout and the motherboard socket. Mount the pump/block unit to the CPU using the supplied mounting hardware for the supported sockets, connect the fan and pump headers to the appropriate motherboard connectors, and power the system. The illuminated meter on the pump cover will display live data once the system is running.

Usage recommendations

For optimal thermal performance and longevity, ensure adequate case airflow, use the correct mounting bracket for your CPU socket, and periodically check fan operation and radiator fins for dust buildup. Monitor the illuminated meter to verify temperatures and fan speeds during heavy workloads.

Specifications

Type:
All-in-one liquid cooler
Fan diameter:
140 mm
Weight:
1.43 kg
Supported processor sockets:
LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), Socket AM5, Socket AM4, LGA 1700, LGA 1200 (Socket H5)
Product colour:
Black
All features

Performance

Type:
All-in-one liquid cooler
Fan diameter:
140 mm
Supported processor sockets:
LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), Socket AM5, Socket AM4, LGA 1700, LGA 1200 (Socket H5)
Rotational speed (min):
800 RPM
Rotational speed (max):
2000 RPM
Maximum airflow:
107 cfm
Airflow:
182.5 m³/h
Pulse-width modulation (PWM) support:
Yes
Suitable location:
Processor
Fan static pressure:
4.18 mmH2O

Design

Product colour:
Black
Number of fans:
3 fan(s)
Water block material:
Copper
Radiator material:
Aluminum
Illumination LED:
No

Weight & dimensions

Weight:
1.43 kg
Package weight:
2120 g
Package depth:
204 mm
Package height:
157 mm
Package width:
462 mm
Radiator width:
456 mm
Radiator depth:
140 mm
Radiator height:
30 mm
Tube length:
450 mm
Fan dimensions (W x D x H):
140 x 140 x 25
Waterblock width:
78 mm
Waterblock depth:
78 mm
Waterblock height:
49 mm

Packaging content

Cables included:
Fan
Screws included:
Yes

Other features

Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
31.5 dB

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Stock data
Warehouse Stock Delivery to the store Store Price
WH337 2 13.07.2026 Best delivery 258.99 €
EU3 75 13.07.2026 Best delivery 386.49 €
WH94 7 13.07.2026 Best delivery 410.49 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH345 14 13.07.2026 Best delivery 311.99 €
WH109 2 27.07.2026 387.99 €
258.99 €
Stock: 2
Delivery Date: 13.07.2026 Best delivery
Warehouse: WH337
386.49 €
Stock: 75
Delivery Date: 13.07.2026 Best delivery
Warehouse: EU3
410.49 €
Stock: 7
Delivery Date: 13.07.2026 Best delivery
Warehouse: WH94
458.99 €
Stock: 16
Delivery Date: 13.07.2026 Best delivery
Warehouse: EU16
Available only for legal entities
311.99 €
Stock: 14
Delivery Date: 13.07.2026 Best delivery
Warehouse: WH345
387.99 €
Stock: 2
Delivery Date: 27.07.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the ASUS ProArt LC 420 liquid CPU cooler cost, and is it available for purchase?

The price is 258.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 116 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 13.07.2026 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 ASUS ProArt LC 420 liquid CPU cooler be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the ASUS ProArt LC 420 liquid CPU cooler online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 Asus 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 Asus 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 ASUS ProArt LC 420 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.
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