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Black square 40mm fan with three wires

OEM Industries

OEM Industries 9GV0412J303 40mm 12V .6A 3-wire fan CPU cooler

SKU CH-0Q4Y-GKBR3

40 mm square ball-bearing fan with 12 V .6 A three-wire inverter drive

  • Fan size40 mm
  • Bearing designBall
  • Power input connector3 Wires
  • Product colorBlack
  • Product typeFan only
  • Compact 40mm frame fits tight build spaces
  • 12V .6A rating delivers efficient cooling power
  • Ball bearing design ensures durable long-life operation
  • Three-wire connector enables speed monitoring control
  • SANYO 9GV0412J303 model built for inverter applications

Compact 40mm cooler for space-constrained builds

The OEM Industries 9GV0412J303 is a 40mm square fan cooler designed for systems where clearance is tight. It suits small-form-factor PCs, embedded boards or replacement cooling on legacy hardware that uses a 40mm mounting pattern.

Ball-bearing motor sustains airflow at constant

The ball bearing and 3-wire inverter drive maintain steady rotation under continuous load without the wear curve of sleeve bearings. Constant 12V 0.6A input keeps speed stable during prolonged operation rather than ramping only for short bursts.

Three-wire connector limits control to speed

The 3-wire power connector provides tachometer feedback but no PWM input, so the motherboard can report RPM but cannot modulate speed automatically. Builders needing variable fan curves must add an external voltage controller or accept fixed-speed running.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 80% of the 1,559 comparable items (median $19.99).
Fan size 40 mm
Lower than about 90% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model name9GV0412J303
Product colorBlack
Product typeFan only
Power
Power input connector3 Wires
Size & build
Fan size40 mm
Bearing designBall
More details
LED lightingNo

Questions about this item

How loud and hot does the 40 mm 12 V .6 A ball-bearing fan get when running continuously?

The 40 mm SANYO fan uses a ball bearing and a 3-wire inverter drive at 12 V .6 A, so it maintains steady airflow with low vibration during all-day operation.

What mounting hardware or motherboard header do I need to install this 3-wire 40 mm cooler?

You need a standard 3-pin 12 V fan header on the motherboard and a 40 mm mounting pattern; the unit is a bare fan without brackets or screws.

Will the 9GV0412J303 fit alongside taller memory modules or larger heatsinks in an older build?

At only 28 mm thick, the low-profile square frame clears most legacy RAM and chipset coolers in tight 40 mm mounting locations.

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