Wathai
4Pin 12V PWM Brushless DC Cooling Fan Duall Ball for 1U Servers, NVR NAS, 3D Printer, Computer Case GPU CPU, 40mm x 40mm x 20mm High Speed
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 4Pin 12V PWM Brushless DC Cooling Fan Duall Ball for 1U Servers, NVR NAS, 3D Printer, Computer Case GPU CPU, 40mm x 40mm x 20mm High Speed is a solid pick with broad community endorsement in the cpu coolers & fans category, priced around $10.99, rated 4.4★ across 447 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
SpecPicks Verdict
SpecPicks classifies Wathai 4Pin 12V PWM Brushless DC Cooling Fan Duall Ball for 1U… as a solid pick with broad community endorsement in the cpu coolers & fans category, based on 447 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Wathai's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Backed by Wathai's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Computer Case Fan: Efficiently cool electronic components with our high speed 4 pin pc fan. Perfect for 1U servers and network/storage equipment
- Automatic Speed Control: Enjoy automatic speed control via 4 pin PWM fan headers. Maximum speed of 5000 RPM ensures optimal cooling performance
- Dual Ball Bearing: Experience long-lasting performance with our dual ball bearing fan. Designed for >50,000 hours of reliable operation
- Replacement 40mm Fan: Replace fans in various equipment such as inverters, PSUs, 3D printers, routers, switches, NAS, and DVRs. Compact 40x20mm size for easy installation
- Small 12V DC Fan: Upgrade your ITX build, motherboard, NVR or UDM Pro with our high-quality PWM fan. Maximize cooling efficiency and ensure optimal performance
Full Specifications
| Brand | Wathai |
|---|---|
| Model | 40mm fan 12v |
| Voltage | 12 Volts |
| Material | tile |
| Unit Count | 1.0 Count |
| Noise Level | 23 Decibels |
| Part Number | 40mm fan 12v |
| Compatibility | PC |
| Material Type | tile |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Small 12V DC Fan | Upgrade your ITX build, motherboard, NVR or UDM Pro with our high-quality PWM fan. Maximize cooling efficiency and ensure optimal performance |
| Computer Case Fan | Efficiently cool electronic components with our high speed 4 pin pc fan. Perfect for 1U servers and network/storage equipment |
Ready to buy?
Wathai 4Pin 12V PWM Brushless DC Cooling Fan Duall Ball for 1U Servers, NVR NAS, 3D Printer, Computer Case GPU CPU, 40mm x 40mm x 20mm High Speed is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Related CPU Coolers & Fans
