Twinkle Bay
TwinkleBay 40x10mm Fan
Bottom line: The TwinkleBay 40x10mm Fan: Direct drop-in for MagLev HA40101V4-000C-C99 40x40x10mm fans; main trade-off: 2-pin 2-wire connector means no tachometer or RPM reporting.
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Pros & Cons
Pros
- ✓ Direct drop-in for MagLev HA40101V4-000C-C99 40x40x10mm fans
- ✓ 12.8dB-A rated, quiet enough for a desktop retro build
- ✓ 4700RPM and 5.5CFM in a 40mm frame for dense chassis airflow
- ✓ Draws only 0.067A at 12V DC, 0.8W total load
Cons
- ✗ 2-pin 2-wire connector means no tachometer or RPM reporting
- ✗ No PWM header support, so the fan runs at fixed speed
- ✗ 18cm (7.1in) lead may be short for far-mounted headers
- ✗ 4700RPM in a 40mm rotor still produces audible high-pitch whine
Manufacturer description
Model: Replacement for HA40101V4-000C-C99 40x40x10mm FanDimensions: 1.57x1.57x 0.4" / 40x40x10mmRotation Speed: 4700RPM (Revolutions per minute)Airflow: 5.5CFM (Cubic feet per minute)Noise Level: 12.8dB-APower Connector: 2-pin 2-wireWire length：about 7.1'' / 18cmRated Voltage: DC 12VRated Current: 0.067 ARated Power: 0.8WWARING:Do not touch the fan blades when running to avoid be injure
SpecPicks Verdict
SpecPicks scored TwinkleBay 40x10mm Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Twinkle Bay's retro cpu coolers & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Dimensions: 1.57x1.57x 0.4" / 40x40x10mm
- Rotation Speed: 4700RPM (Revolutions per minute)
- Airflow: 5.5CFM (Cubic feet per minute)
- Rated Current: 0.067A
- Rated Power: 0.8W
Full Specifications
| Brand | Twinkle Bay |
|---|---|
| Model | 4328444368 |
| Airflow | 5.5CFM (Cubic feet per minute) |
| Voltage | 12 volts |
| Material | Copper |
| Dimensions | 1.57x1.57x 0.4" / 40x40x10mm |
| Unit Count | 1 Count |
| Noise Level | 12.8 db |
| Part Number | 4328444368 |
| Rated Power | 0.8W |
| Material Type | Copper |
| Rated Current | 0.067A |
| Cooling Method | Air |
| Rotation Speed | 4700RPM (Revolutions per minute) |
| Air Flow Capacity | 5.5 cfm |
| Compatible Devices | Laptop |
| Power Connector Type | 2-Pin |
| Maximum Rotational Speed | 4700 rpm |
| Item Dimensions L x W x H | 1.57"L x 0.4"W x 1.57"H |
| Full listing title | TwinkleBay 40x10mm Fan, Replacement for MagLev HA40101V4-000C-C99 4010 Cooling Fan, 2Pins 2Wires 40x40x10mm(12V, 0.8W) |
Ready to buy?
TwinkleBay 40x10mm Fan, Replacement for MagLev HA40101V4-000C-C99 4010 Cooling Fan, 2Pins 2Wires 40x40x10mm(12V, 0.8W) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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