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Small black square 50mm fan with three-pin connector

OEM Industries

OEM Industries BS501012H 50mm 12V 0.16A 3 Pin Fan

SKU CH-ZDPQ-BT984

50mm 12V ball-bearing fan with 3-pin connector for case or CPU cooling

  • Fan size50 mm
  • Bearing designBall
  • Power input connector3 Pin
  • Product colorBlack
  • Product typeFan only
  • 50 mm square footprint fits tight chassis spaces
  • 12 V 0.16 A draw keeps power use low
  • Ball bearing design extends operational life
  • Three-pin connector enables speed monitoring
  • No LED lighting suits stealth builds

Compact 50 mm case fan

The OEM Industries BS501012H is a 50 mm square fan designed for tight spaces inside a PC chassis. It runs on 12 V and draws 0.16 A through a standard three-pin power connector. The ball bearing and black frame suit general case airflow or small CPU cooler replacements.

Replaces noisy or failed 50 mm fans

Swap this unit in when an existing 5010-size fan becomes loud, develops bearing rattle or stops spinning. The 12 V 0.16 A rating matches the original spec, so the jump is worth it when the old fan no longer moves enough air through a compact heatsink or chassis vent.

Simple three-pin installation

The three-wire connector plugs directly onto a motherboard or fan-controller header keyed for 501012 pinout. Alignment is the only common issue — forcing the plug offset by one pin bends the header and leaves the fan unpowered.

How it compares

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

Price $16.99
Cheaper than about 70% of the 1,559 comparable items (median $19.99).
Fan size 50 mm
Lower than about 77% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model nameBS501012H
Product colorBlack
Product typeFan only
Power
Power input connector3 Pin
Size & build
Fan size50 mm
Bearing designBall
More details
LED lightingNo

Questions about this item

Will the 50mm square frame with 10mm thickness fit my case fan slot?

The fan measures 50mm by 50mm and is 10mm thick, so it fits any standard 50mm mounting hole pattern.

How do I connect the 3‑pin connector so the motherboard reads speed correctly?

Align the three pins with the motherboard header — ground, 12V, and tach — and press straight in; forcing it sideways bends pins and loses RPM reporting.

When should I replace the ball‑bearing fan?

Replace it once the bearing noise becomes audible or the rotor stops spinning at 12V 0.16A, as ball bearings cannot be relubricated.

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