LOW-PROFILE COOLING
The MasterAir G100M is a 74.5 mm low-profile CPU cooler, designed for small form factor cases and compact PC builds.
Equipped with Heat Column technology for exceptional heat transfer, RGB LED ring illumination, a wired RGB LED Controller and a powerful top-down 92 mm fan, the G100M really is in a league all its own.
Low Profile
At 74.5 mm tall, the G100M supports large to slim builds, including most Mini-ITX cases.
RGB, Certified Compatible.
Illuminate your cooler with the G100M's RGB ring and fan, both of which are certified compatible with most RGB-cable motherboards.
Top-Down Air Flow
Pulled air cools not only the CPU, but all surrounding parts.
Heat Column Technology
Hyper-quick heat transfer – made possible by the unification of heat pipes and base.
Massive Contact
With a 41.2 mm diameter, the G100M's heat column is 7 times the size of traditional heat pipes.
Wired RGB Controller
With the included C10L controller, choose between 5 brightness levels, 6 lighting modes, and 7 colors — no software required.
Dimensions
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![]() MasterAir G100M |
![]() GeminII M4 |
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| Product Number | MAM-G1CN-924PC-R1 | RR-GMM4-16PK-R1 |
| CPU Socket | Intel LGA 2066, 2011-v3, 2011, 1366, 1156, 1155, 1151, 1150, 775 — AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1 | Intel LGA 1366, 1156, 1155, 775 — AMD AM3+, AM3, AM2+, AM2, FM1 |
| Dimensions | 145 x 145 x 74.5 mm | 137 x 122 x 59 mm |
| Heat Sink | ||
| Dimensions | 143 x 143 x 51.7 mm | 120 x 118 x 44 mm |
| Material | Heat Column, Aluminum Fins | 4 Direct-Contact Heat Pipes, Aluminum Fins |
| Weight | 320 g | 210 g |
| Heat Column | ||
| Dimensions | ∅ 41.2 x 46.3 mm | n/a |
| Fan | ||
| Dimensions | 100 x 100 x 25 mm | 120 x 120 x 15 mm |
| Speed | 600–2400 RPM (PWM) ±10% | 500–1600 RPM (PWM) ±10% |
| Air Flow | 22.63 CFM ±10% | 17.4–58.4 CFM ±10% |
| Air Pressure | 1.6 mm H2O ±10% | 0.18–1.76 mm H2O ±10% |
| MTTF | 280,000 hours | 40,000 hours |
| LED Color | RGB-ready | n/a |
| Noise Level | = 30 dBA | 8–30 dBA |
| Bearing Type | n/a | Long Life Sleeve Bearing |
| Connector | 4-Pin | 4-Pin |
| Rated Voltage | 12 VDC | _ |
| Rated Current | 0.34 A | _ |
| Safety Current | 0.37 A | _ |
| Power Consumption | 4.08 W | _ |
| Warranty | 2 Years | 2 Years |
| EAN Code | 4719512065341 | 4719512032930 |
| UPC Code | 884102037863 | 884102013140 |
| Net Weight | 0.38 kg | _ |
| Gross Weight | 0.52 kg | _ |
| Package Dimensions, L x W x H | 16.8 x 16.8 x 10.8 cm | 15.2 x 9.3 x 17.5 cm |
| Carton Dimensions, L x W x H | 52.9 x 35.5 x 25 cm | 40.3 x 32.2 x 38.3 cm |












































