# Triton 19" fan unit RAB-CH-X21-S – 2 SILENCE fans, 4 HE, horizontal airflow, thermostat, black

**URL:** https://aio.lv/en/product--triton-rab-ch-x21-s--12392860
**Data updated:** 2026-04-26 22:20 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Triton
**Manufacturer code:** RAB-CH-X21-S
**EAN:** 4260561874236
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Rack-mounted Triton 19" fan unit RAB-CH-X21-S provides active ventilation for server and network cabinets. It includes two SILENCE fans, occupies 4 HE, directs horizontal airflow and features an integrated thermostat for temperature-controlled operation. Designed to improve cabinet cooling and protect equipment in data closets and telecom racks.

## Long description

The Triton 19" fan unit RAB-CH-X21-S is a rack-mounted ventilation module designed to deliver controlled horizontal airflow for server cabinets and network enclosures. Fitting a standard 19" rack and occupying 4 HE, this black unit integrates two SILENCE fans and a thermostat for automatic activation based on cabinet temperature. It is engineered to assist in maintaining optimal operating temperatures for IT and telecom equipment in data closets, small server rooms and communication racks.
Advantages
The unit combines two low-noise SILENCE fans with a thermostat to provide temperature-dependent airflow while minimizing acoustic impact. Its 4 HE height offers a balance between airflow capacity and compact rack space usage. The horizontal airflow layout directs air across mounted devices, supporting uniform cooling of front-to-back or side-by-side arrangements. The black finish and 19" mounting ensure compatibility with standard rack installations.
Suitable for
 Small to medium server cabinets and network racks
 Telecom and communication equipment enclosures
 Data closets, patch panel racks and equipment shelves requiring directed horizontal airflow
 Environments where low acoustic emission is preferred
When it may not be suitable
This fan unit is intended for use inside 19" racks and cabinets; it is not designed as a room cooling solution or for open-frame installations where rack mounting is not available. For very large data centres or racks with exceptionally high heat loads, multiple or higher-capacity ventilation units or dedicated rack air conditioning may be required.
Key specifications
 Mounting: 19" rack mount, occupies 4 HE
 Fan count: 2 low-noise (SILENCE) fans
 Airflow direction: horizontal airflow across rack equipment
 Control: integrated thermostat for temperature-controlled operation
 Colour: black
How to use
Install the fan unit in a standard 19" rack occupying four rack units (4 HE) in a location that directs airflow across the equipment to be cooled. Connect the unit to the appropriate power source following rack wiring practices and set the thermostat to the desired activation temperature. Verify airflow direction and ensure cable management does not block vents. Periodically check fan operation and clean intake/exhaust areas to prevent dust buildup and maintain performance.
What to consider before purchase
 Available rack space (requires 4 HE)
 Compatibility with existing airflow patterns in the cabinet (horizontal airflow)
 Required acoustic level and whether low-noise fans meet expectations
 Whether thermostat-controlled ventilation suits the site's temperature profile
Usage recommendations
For consistent cooling, position the unit so airflow passes over the hottest equipment and keep front and rear airflow paths unobstructed. Supplement with additional ventilation for densely populated racks or high-power devices. Regular maintenance, including dust removal from fan inlets and verification of thermostat settings, will prolong fan life and maintain cooling efficiency.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Triton 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 Triton 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

## Image

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