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A pair of black 4-pin internal power cables for Lenovo B305

Ruth's sister

Ruth's sister 4 Pin Internal Power Cable Pair for Lenovo B305

SKU CH-BH9B-9JSN5

A pair of 4-pin internal power cables for connecting CPU and VGA cooling fans in Lenovo B305 notebooks

  • Designed for Lenovo B305 notebook cooling
  • 4-pin connector matches CPU and VGA fan headers
  • Pair of cables replaces both fan connections
  • New condition ready for immediate installation

Replacement 4-pin fan cables for Lenovo B305

This pair of 4-pin internal power cables replaces the original CPU and VGA cooler fan connectors in a Lenovo B305 notebook. They restore the power link between the motherboard and both cooling fans when the factory cables have failed. The connectors match the pin-out used by the B305 platform.

Thermals noise and power in normal use

The cables themselves draw no measurable power and produce no noise. They simply conduct the current each fan requires, so thermal performance and acoustic levels stay identical to the original installation. No extra heat or electrical load is introduced by the replacement pair.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 65% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the 4-pin cable pair to the CPU and VGA fans in my Lenovo B305?

Align each 4-pin connector with the matching header on the motherboard and press straight down until it clicks; the common mistake is forcing a connector onto the wrong fan header, which bends pins.

When should I replace these internal power cables?

Replace them if the insulation cracks, the pins corrode, or the fan speed becomes erratic — typically after several years of continuous laptop operation.

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