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Two black 120mm case fans with infinity mirror centres and ARGB lit blades, shown front and side

DARKROCK

DARKROCK R120 2-Pack 120mm Reverse Infinity Mirror ARGB Case Fan Black

SKU CH-3ST8-JXR2P

Two 120 mm case fans with reverse-mounted blades, infinity-mirror ARGB lighting on frame and blades, hydraulic bearings, and PWM speed control from 800 to 1600 RPM for 46.7 CFM airflow at 27.7 dBA

  • Fan size120 mm
  • Fan controlNo Controller
  • Fan depth25 mm
  • Bearing designHydro Bearing
  • Rotational speed800-1600
  • Airflow rate46.7 CFM (Max)

Model Reverse blade

Model 2 Packs

  • Reverse blades push air out the front for cleaner intake paths
  • Infinity mirror panels on frame and hub create layered lighting depth
  • Addressable RGB on both frame and blades lets you match any colour scheme
  • PWM auto-adjusts 800-1600 RPM for 46.7 CFM peak airflow
  • Hydro bearing plus eight rubber pads keeps noise to 27.7 dBA max

Reverse infinity mirror ARGB fans

This two-pack of 120 mm case fans uses a reverse blade layout that presents the illuminated face forward while directing airflow out the front. Addressable RGB runs along both the frame and the blades for full chassis colour coordination. The hydraulic bearing and eight rubber pads keep vibration low. PWM control lets the motherboard manage speed automatically.

Airflow capacity and limits

Each fan moves up to 46.7 CFM at 1600 RPM, giving ample throughput for typical mid-tower intake or exhaust duties. The 800 RPM floor provides quiet idle cooling for light workloads. Dense radiator stacks or heavily restricted front panels will push the fans toward their maximum speed to maintain pressure. Builds needing substantially higher static pressure should consider additional or larger fans.

Thermals noise and power draw

At full speed the fans reach 27.7 dBA, staying unobtrusive in most desktop environments. The hydraulic bearing maintains consistent acoustic character across the 800 to 1600 RPM range. Power comes from a standard 3-pin connector, drawing minimal current from the motherboard header. Rubber corner pads further decouple vibration from the case chassis.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 85% of the 8,339 comparable items (median $19.99).
Fan size 120 mm
Typical for this category: the median of 1,114 items is 120 mm.

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Specifications

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed800-1600
Airflow rate46.7 CFM (Max)
Power
Power input connector3 Pin
Size & build
Fan size120 mm
Fan depth25 mm
Bearing designHydro Bearing
Product dimensions120 × 120 × 25 mm
Compatibility
Compatible withCase, CPU Coolers
Environment & compliance
Operating noise27.7 dBA (Max)
More details
Fan controlNo Controller
LED lightingARGB

Other versions of this model

5 more in the same range

Questions about this item

Will the 120 mm reverse-blade fans fit alongside my existing 120 mm fans without changing airflow direction?

The reverse mounting design makes the front the air outlet, so pairing them with standard fans will push air in opposite directions; plan intake and exhaust sides accordingly.

How can I verify the ARGB infinity mirror lighting and PWM speed control are working after installation?

Connect the 3-pin ARGB header to a compatible motherboard or controller — the infinity mirror effect on the frame and blades should illuminate, and fan speed will auto-adjust between 800 and 1600 RPM.

The pack includes two fans — are mounting screws, rubber pads or an ARGB controller supplied, or must I buy them separately?

Each fan comes with eight rubber anti-vibration pads pre-installed; mounting screws and an ARGB controller are not included and must be purchased separately.

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