coolerguys
Coolerguys 100-240v AC to 12 & 5v DC 4pin Molex 2A Power Adapter (2A, Without On/Off Switch)
Bottom line: The Coolerguys 100-240v AC to 12 & 5v DC 4pin Molex 2A Power Adapter ($15.96 on Amazon as of 2026-10-06): Powers up to 5 quiet DC cooling fans from one 2A rail; main trade-off: no on/off switch on this variant; unplug to cut power.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Powers up to 5 quiet DC cooling fans from one 2A rail
- ✓ 4-pin Molex output plugs straight into fans and retro PC gear
- ✓ Wide 100-240 VAC input runs on any mains, 50/60 Hz
- ✓ Dual 12V and 5V DC outputs from a single adapter
Cons
- ✗ No on/off switch on this variant; unplug to cut power
- ✗ 2A ceiling caps high-draw or large multi-fan builds
- ✗ Single 4-pin Molex only; no SATA or PCIe leads
- ✗ 12V and 5V share the 2A budget, not per-rail
SpecPicks Verdict
SpecPicks scored Coolerguys 100-240v AC to 12 & 5v DC 4pin Molex 2A Power Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. coolerguys's power supplies & cables 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 power supplies & cables 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
- 2AMP ,12V/5V AC/DC Power adapter w/ 4pin molex connector
- Great adapter with 4-pin molex connector to power your quiet DC cooling fan.
- It supports up to 5 fans ( 2 Amp)
- Requires less power and has minimal background noise.
- Input:100 - 240 VAC, 1.5A Max, 50/60 Hz; Output 12 VDC - 2Amp, 5VDC - 2Amp
- Certifications: CE, FCC
Full Specifications
| Brand | coolerguys |
|---|---|
| Color | Without On/Off Switch |
| Input | 100 - 240 VAC, 1.5A Max, 50/60 Hz; Output 12 VDC - 2Amp, 5VDC - 2Amp |
| Current | AC/DC |
| Voltage | 12 Volts |
| Wattage | 24 watts |
| Amperage | 2 Amps |
| Portable | No |
| Power Plug | Type A - 2 pin (North American) |
| Unit Count | 1.0 Count |
| Form Factor | Plug |
| Model Number | 840556029977 |
| Power Source | Corded Electric |
| Compatibility | Switch |
| Input Voltage | 12 Volts |
| Mounting Type | Wall Mount |
| Built-In Media | Power adapter w/ 4pin molex connector |
| Certifications | CE, FCC |
| Connector Type | 4-Pin Molex |
| Output Current | 2 Amps |
Ready to buy?
Coolerguys 100-240v AC to 12 & 5v DC 4pin Molex 2A Power Adapter (2A, Without On/Off Switch) 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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