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

**URL:** https://aio.lv/en/product--asus-90rc00n0-m0uay0--10780314
**Data updated:** 2026-01-21 11:02 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Asus
**Manufacturer code:** 90RC00N0-M0UAY0
**EAN:** 4711387367629
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 258.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 214.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90rc00n0-m0uay0--10780314

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### Performance

| Feature | Value |
|---|---|
| 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

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

### Weight & dimensions

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Cables included | Fan |
| Screws included | Yes |

### Other features

| Feature | Value |
|---|---|
| Noise level | 31.5 dB |

## 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. 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 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. 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 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.

## Image

https://aio.lv/img/cache/product/10780314/65752943_large.webp