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Compact copper heatsink with black 3-pin fan, rectangular low-profile design for Dell Vostro 3700

DELL

DELL DFS531005MC0T CPU cooling fan with heatsink for Vostro 3700

SKU CH-G2S1-8ZDFF MPN DFS531005MC0T

Cools Dell Vostro 3700 CPUs using a 5 V 0.5 A three-pin fan with integrated heatsink

  • Compatible brandsFor Dell
  • Supported modelsFor Dell Vostro 3700
  • Product dimensions3.15 × 2.75 × 0.45 in
  • Product weight0.3 lb (0.14 kg)
  • Keeps your Vostro 3700 cool with a genuine Forcecon copper heatsink assembly
  • Runs quietly at 5V .5A for low-noise environments
  • Installs instantly via the 3-pin connector with no extra wiring
  • Fits precisely using the 3.15 x 2.75 x .45 inch form factor
  • Weighs only .30 lbs to maintain the laptop's original balance

Dell Vostro 3700 cooling assembly

This genuine Forcecon CPU cooling fan with integrated heatsink is built specifically for the Dell Vostro 3700 laptop. It replaces a worn or noisy thermal module to restore proper heat dissipation. The assembly arrives new and ready for direct installation by technicians or experienced owners. ||

3-pin 5V 0.5A power interface

The unit draws 0.5A at 5V through a standard three-pin connector keyed for the Vostro 3700 motherboard header. No additional wiring or adapter is required; the plug mates directly with the existing socket. Polarity and pin spacing follow the original OEM specification so the fan reports speed correctly to the system BIOS. ||

Replaces failed OEM fan-heatsink units

Swapping this assembly resolves overheating throttling and excessive acoustic noise caused by bearing wear or fin clogging in the original part. The upgrade is worthwhile when CPU temperatures exceed safe limits under load or the original fan develops audible rattle. It is not suited for other Dell models or custom cooling loops.

How it compares

Measured against everything we stock in Laptop Repair Parts, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 91% of the 1,151 comparable items (median $33.99).

Specifications

Product
Brand nameDell
Model nameDFS531005MC0T
Part numberPXN1M
Size & build
Product dimensions3.15 × 2.75 × 0.45 in
Product weight0.3 lb (0.14 kg)
Compatibility
Compatible brandsFor Dell
Supported modelsFor Dell Vostro 3700

Questions about this item

Should I choose the 3-pin version or look for a 4-pin alternative for my Vostro 3700?

The Vostro 3700 motherboard uses a 3-pin CPU fan header, so this 3-pin assembly is the correct match; a 4-pin connector would not fit the socket.

What does the 5V 0.5A rating tell me about cooling performance once installed?

It draws 0.5A at 5V, giving the fan enough power to spin the copper heatsink assembly at its designed speed for the Vostro 3700 thermal envelope.

How does the 3-pin connector limit control compared to a 4-pin PWM header?

The 3-pin interface supports voltage-based speed control only; the system adjusts fan voltage to change RPM, but there is no fourth wire for PWM signalling.

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