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40mm Quiet Computer Case Fan 12V 3 Pin 4500 RPM Ultra Low Noise Replacement 4cm

This compact 40mm fan delivers quiet cooling with a top speed of 4500 RPM and noise levels capped at 17.9 dB(A). Replace a worn-out unit in your 3D printer, router, or NAS to restore dependable airflow.

Key Features
- Runs quieter — slim 10mm frame and advanced acoustic design lower turbulence.
- Fits tight spots — 40x40x10 mm size suits cramped electronics.
- Two speed options — 4500 or 3700 RPM via the Low-Noise Adaptor.
- Easy hookup — 3-pin plug, plus adaptor set for proprietary fan headers.

Quick Specs
- Voltage: 12V DC
- Speed: 4500 or 3700 RPM
- Noise: Max 17.9 dB(A)
- Size: 40 x 40 x 10 mm
- Weight: 50 g
- Material: Fibre-glass reinforced PBT

Who It's For
For DIY builders and techs swapping out a noisy 40mm fan in network gear, DVRs, or 3D printers.

Grab this quiet 40mm fan for your next cooling upgrade.

Shipping

• Free & Fast Shipping - We offer free shipping to most of the USA with a normal delivery time of 3–7 days. Additional delivery time of up to three weeks may be required for some items.
• Alternative Carriers - We may use USPS, FedEx, UPS, or another carrier to ensure your package arrives safely and on time.
• Handling Time - Orders are processed and shipped within 1–2 business days after cleared payment is received.
• Shipping Restrictions - Shipping to Alaska, Hawaii, Puerto Rico, Guam, and other US territories may involve additional charges or restrictions.
• State Restrictions - Certain products may have shipping restrictions based on the buyer's state.
• Tracking Updates - Please contact us through messaging if you need help with tracking or delivery.

↧ FREE SHIPPING Return

• 30-Day Hassle-Free Returns - If you are not completely satisfied, you may return the item within 30 days according to the return policy shown in the listing.
• Easy Return Process - Open a return request through your order details to begin the return.
• No Restocking Fees - There are no restocking fees. Return shipping responsibility depends on the reason for the return.
• Refund Processing - Refunds are processed after the returned item or return shipment has been properly received and confirmed.

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