1 / 7Ronyaoko 120 mm Centrifugal Blower Fan with Speed Controller
Centrifugal: The Ronyaoko 120 mm blower fan is a variable-speed cooling fan supplied with a controller. Its listed 12 V DC rating and 35 CFM airflow make it a candidate for ventilating compatible AV or electronics enclosures, provided the size and connector suit your setup.
At a glance
- Variable-speed controller is listed with 3–12 V DC output and a 100–240 V AC input.
- The fan is listed at 120 × 120 × 32 mm, with a female DC 5.5 × 2.1 mm connector.
- Manufacturer-listed airflow is 35±10% CFM at a rated speed of 3000 RPM.
- Dual-ball bearings are claimed to support flat or upright placement.
Reference price: $39.98
Price checked: 14 Nov 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- The included speed controller offers an adjustment range rather than a fixed fan speed.
- The stated size, connector and voltage provide useful checks for matching an enclosure or power setup.
- The manufacturer says the fan can be positioned flat or upright.
Technical specifications
22 specifications| Brand | Ronyaoko |
|---|---|
| Part number | WY12032U03 |
| Fan dimensions | 120x120 x32mm/4.72in(L) x 4.72in(W) x 1.26 in(H) . |
| Listed product dimensions | 12L x 12W x 3.2H centimetres |
| Materials | Metal, Plastic |
| Rated voltage | 12 Volts (DC) |
|---|---|
| Rated current | 1Amp |
| Wattage | 12 watts |
| Power connector type | 2-Pin |
| Fan connector | DC 5.5x2.1mm Female |
| Controller input | 100V - 240V 50/60Hz |
| Controller output | DC 3-12V 200-2000ma |
| Cooling method | Air |
|---|---|
| Maximum rotational speed | 3000 RPM |
| Airflow | 35±10%CFM |
| Air flow capacity | 35 Cubic Feet Per Minute |
| Bearing | Dual-Ball |
| Bearing lifespan claim | 50,000 hours |
| Mounting orientation claim | allows the fans to be laid flat or stand upright |
| Compatible devices listed | Television |
|---|---|
| Number of items | 1 |
| Country of origin | China |
What to know before buying
Listing details to confirm
The listing gives both a general 12 V DC fan rating and controller output of DC 3–12 V, while also listing 12 watts and 1Amp. Its airflow appears as both 35 Cubic Feet Per Minute and 35±10%CFM. Confirm the exact ratings, controller behaviour and connector suitability for your installation before purchase. The 50,000-hour bearing lifespan is a manufacturer claim.
What’s in the box
Included- 1 × 120 × 120 × 32 mm fan
- 1 × speed controller
Who is it for?
A good fit for
- Buyers cooling receivers, DVRs, modems, routers or other electronics who can accommodate the stated 120 × 120 × 32 mm fan size.
- DIY users who want a speed-adjustable blower and have a compatible power connection.
Less suited to
- Setups that require a specified noise rating, airflow above the listed figure or a different physical size or connector.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
14% 14% - 3 stars
0% 0% - 2 stars
12% 12% - 1 star
0% 0%
Only aggregate rating information is supplied, with a distribution weighted towards five-star ratings but also including two-star ratings. This small rating snapshot does not establish why customers responded as they did or confirm the fan's airflow, noise, fit or durability. For a purchase decision, verify the listed dimensions, connector and controller range against your installation.
Frequently asked questions
What is included?
The listed package contents are one 120 × 120 × 32 mm fan and one speed controller.
Can the fan speed be adjusted?
The listing describes a knob-operated controller with DC 3–12 V output. Confirm its output and connection suit the fan and your setup.
What connector does the fan use?
The listing specifies a female DC 5.5 × 2.1 mm connector, alongside a 2-pin power connector description. Check the required connection before ordering.
What airflow does it provide?
The listing gives 35 Cubic Feet Per Minute and 35±10%CFM. Treat this as a manufacturer-listed figure, not an independently verified measurement.

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