The Geekom MegaMini G1 is a liquid-cooled mini PC designed for high-performance tasks in a compact form. It features an AMD Ryzen 7 processor, 32GB DDR5 RAM, and 1TB PCIe 4.0 SSD, targeting users needing desktop-grade power in small spaces. Its hybrid cooling system reduces thermal throttling, making it ideal for gaming, content creation, and multitasking.
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How Does the MegaMini G1’s Design Optimize Space and Cooling?
The G1’s 5.7×5.7×2.3-inch chassis uses aerospace-grade aluminum and a stacked internal layout to maximize component density. Liquid cooling targets the CPU/GPU via a microchannel cold plate, while dual fans manage auxiliary heat. Vents on all sides and anti-vibration mounts ensure airflow and stability, enabling sustained performance without bulk.
Engineers achieved space optimization through a three-layer motherboard design that separates compute, storage, and cooling components. This vertical stacking allows 23% better thermal dissipation than traditional mini PC layouts. The liquid loop uses a 0.2mm microfin structure in its cold plate, providing 580cm² of effective cooling surface area – comparable to many full-sized AIO coolers. During simultaneous CPU/GPU loads, thermal imaging shows heat distribution remains 38% more even than competing air-cooled systems, preventing localized hotspots that typically cause throttling.
What Hardware Powers the Geekom MegaMini G1?
It runs on an 8-core AMD Ryzen 7 7735HS (4.75GHz boost) with Radeon 680M graphics, 32GB DDR5-4800 RAM, and a 1TB Kingston Fury SSD. Benchmarks show 1,452 pts in Cinebench R23 and 9,850 in 3DMark Time Spy, outperforming Intel NUC 13 Pro and ASUS PN53. The PCIe 4.0 SSD hits 7,100MB/s read speeds.
| Component | Specification | Competitor Comparison |
|---|---|---|
| Processor | Ryzen 7 7735HS | 18% faster than i7-1260P |
| Graphics | Radeon 680M | 2.1x TFLOPS vs Iris Xe |
| Memory | DDR5-4800 | 53GB/s bandwidth |
The Zen 3+ architecture enables 54W sustained power delivery through the liquid cooling system, allowing CPU packages to maintain 45W TDP indefinitely. Storage configurations support RAID 0/1 through dual M.2 slots, with synthetic benchmarks showing 12,800MB/s sequential read speeds in striped configurations. Wireless capabilities include 160MHz channel support on Wi-Fi 6E, achieving 2.4Gbps throughput in controlled tests.
Does the Hybrid Cooling System Prevent Thermal Throttling?
Under load, the G1’s CPU peaks at 84°C (12°C lower than air-cooled rivals) and maintains 4.2GHz clock speeds. Noise stays below 38dB, quieter than the Framework Laptop (43dB). Stress tests confirm zero throttling during 60-minute sessions, validating the cooling efficiency for intensive workloads.
Which Ports and Connectivity Options Are Included?
Front: 2x USB4 (40Gbps), 3.5mm audio. Rear: 2x HDMI 2.1, 2x USB 3.2 Gen2 (10Gbps), 2.5G Ethernet, DC-in. Wireless: Wi-Fi 6E and Bluetooth 5.3. Supports quad 4K displays via USB4/HDMI, with daisy-chaining for multi-monitor setups. Lacks SD card readers but offers Thunderbolt-like USB4 flexibility.
Can the G1 Handle Gaming and Content Creation?
Radeon 680M runs Cyberpunk 2077 at 1080p/Medium (42 FPS) and Elden Ring at 720p/High (55 FPS). DaVinci Resolve 4K renders finish 25% faster than Intel Iris Xe systems. Blender BMW scene completes in 4:22 mins, rivaling entry-level NVIDIA RTX 3050 laptops.
How Upgradeable Is the Geekom MegaMini G1?
Only the M.2 2280 SSD and DDR5 SO-DIMM slots are user-accessible. RAM expands to 64GB, storage to 8TB (dual SSD slots). CPU/GPU and cooling hardware are soldered, limiting future upgrades. Requires disassembling 8 Phillips-head screws for access—moderate difficulty compared to Framework’s modular design.
What Are the Pros and Cons vs. Competing Mini PCs?
Pros: Unmatched cooling, desktop-tier performance, 4K multi-display support. Cons: No SD card reader, non-upgradeable APU, premium price ($899 base). Competitors like Minisforum HX99G offer external GPU support but lack liquid cooling. The G1 suits power users prioritizing thermals over modularity.
“Geekom’s hybrid cooling is a breakthrough for mini PCs,” says Alex Rivera, PC Hardware Analyst at Tech Insights. “By solving thermal constraints, they’ve enabled Ryzen 7 to operate at full potential in a 0.7L chassis.”
- Q: Does the G1 support Windows 11 Pro?
- A: Yes, it ships with Windows 11 Pro pre-installed and validated for enterprise use.
- Q: What’s the warranty period?
- A: Geekom offers a 3-year limited warranty, covering cooling system and motherboard.
- Q: Can it run macOS via Hackintosh?
- A: Unsupported. AMD GPUs lack macOS drivers, making Hackintosh setups unreliable.