GAMEMAX 1050W ARGB Fully Modular or GAMEMAX SFX Power Supply 850W? Which GAMEMAX Model to Buy
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When comparing the gamemax 1050w atx 3 0 vs sfx power supply 850w, you see two distinct approaches to high-end power delivery. Both units offer 80 Plus Gold efficiency and ATX 3.0 compliance with PCIe 5.0 readiness. The main difference lies in their physical design and power capacity. One is a large, fully modular ATX unit with ARGB lighting, while the other is a compact SFX model built for small form factor builds. You need to choose based on your case size and wattage needs.
Key differences
| Aspect | GAMEMAX 1050W ARGB Fully Modular PSU | GAMEMAX 850W SFX Gold Power Supply |
|---|---|---|
| Form Factor | ATX | SFX |
| Wattage | 1050W | 850W |
| Fan Size | 140mm | not listed |
| Lighting | ARGB with 25 modes | not listed |
| Dimensions | 5.91 x 3.35 x 6.61 inches | not listed |
Which one should you choose?
Choose GAMEMAX 1050W ARGB Fully Modular PSU if
- You are building a standard ATX case and need maximum power for high-end GPUs.
- You want customizable addressable RGB lighting that syncs with motherboard software.
- You prefer a larger 140mm fan for potentially quieter operation under load.
Choose GAMEMAX 850W SFX Gold Power Supply if
- You are building in a compact SFX case where space is limited.
- You need a fully modular design in a smaller footprint without RGB features.
- You require robust protection features like OVP, UVP, and OTP for stability.
Verdict: Choose the 1050W ATX model if you have a standard tower case and need peak performance for demanding components. Pick the 850W SFX unit if your priority is fitting a high-efficiency power supply into a small form factor build. Both support modern PCIe 5.0 standards, so your choice depends entirely on physical constraints and wattage requirements.
ATX 3.0 Wattage and Size
wattage output
The GAMEMAX 1050W ARGB Fully Modular PSU provides 1050 watts of total power. This higher output supports more demanding components and future upgrades. The GAMEMAX SFX Power Supply 850W delivers 850 watts. Both units meet the 80 Plus Gold standard for efficiency. If you need maximum headroom for high-end graphics cards, the 1050W model offers more capacity. The 850W unit is sufficient for most high-performance builds but has less reserve power. Choose the higher wattage if your system draws near the limit.
form factor
Form factor determines which cases can accept the power supply. The GAMEMAX 1050W ARGB Fully Modular PSU uses the standard ATX size. It measures 6.61 inches in length, 3.35 inches in height, and 5.91 inches in width. The GAMEMAX SFX Power Supply 850W uses the smaller SFX form factor. SFX units fit into compact cases where standard ATX supplies will not fit. If you are building a small form factor PC, the SFX unit is required. For standard mid-tower or full-tower cases, the ATX unit offers more flexibility.
atx version
Both power supplies support the ATX 3.0 specification. This version ensures compatibility with modern components and next-generation hardware standards. The GAMEMAX 1050W ARGB Fully Modular PSU includes a 12VHPWR 16-pin connector. This connector provides up to 600W for power-hungry graphics cards. The GAMEMAX SFX Power Supply 850W also includes a 12VHPWR 16-pin connector with the same 600W capability. Both units are ready for PCIe 5.0 requirements. You get the same modern connectivity standard from either model.
efficiency rating
Efficiency rating indicates how much input power is converted to usable output. Both the GAMEMAX 1050W ARGB Fully Modular PSU and the GAMEMAX SFX Power Supply 850W hold the 80 Plus Gold certification. This rating requires 90% or higher efficiency under typical loads. The 1050W model uses a DC-DC structure with LLC resonance assist for stable output. The 850W model uses an APFC+LLC+DC-DC design. Both designs aim for high efficiency and lower electricity consumption. You pay for the same efficiency tier in both units.
fan size
Fan size affects cooling performance and acoustic output. The GAMEMAX 1050W ARGB Fully Modular PSU features a 140mm fan. Larger fans can move more air at lower speeds, often resulting in quieter operation. It uses a hydraulic bearing for durability. The GAMEMAX SFX Power Supply 850W uses an FDB fan. SFX units typically require smaller fans due to space constraints. The 140mm fan in the ATX model provides a physical advantage in potential noise reduction and airflow capacity compared to the smaller SFX fan.
modularity
Modularity refers to whether all cables are detachable from the unit. Both power supplies are fully modular. This feature allows you to connect only the cables you need, reducing clutter inside your case. The GAMEMAX 1050W ARGB Fully Modular PSU is described as fully modular. The GAMEMAX SFX Power Supply 850W is also described as full modular. There is no difference in this feature between the two models. You get the same cable management benefits from either choice.
Which GAMEMAX PSU fits your build
Standard ATX case users with high-end GPUs
Choose the 1050W model if you have a standard ATX mid-tower or full-tower case. It offers 1050 watts of power and a 140mm fan for quiet operation. The fully modular design and ARGB lighting sync with your motherboard, making cable management and aesthetics easier for standard builds.
Small form factor PC builders
Select the 850W SFX unit if you are building in a compact SFX case. Its smaller footprint fits tight spaces where standard ATX power supplies will not. It still delivers 850 watts and includes ATX 3.0 support, ensuring compatibility with modern graphics cards despite the reduced size.
Users prioritizing maximum power headroom
The 1050W ARGB model provides more total wattage than the 850W SFX option. This extra headroom supports power-hungry components and future upgrades. It sustains higher power excursions, making it a safer choice for systems with multiple high-draw parts or those planning significant hardware upgrades later.
Builds requiring robust protection features
The 850W SFX power supply explicitly lists robust protection against over-voltage, under-voltage, and over-temperature issues. If system stability and component safety are your primary concerns in a compact build, this model’s detailed protection suite offers peace of mind alongside its compact SFX form factor.
The products compared
GAMEMAX 1050W ARGB Fully Modular PSU
Best for: High-end gaming PCs with ATX cases
- Wattage
- 1050W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.0
- PCIe Connector Type
- 12VHPWR 16pin
- Fan Size
- 140mm
View on Amazon: GAMEMAX 1050W ARGB Fully Modular PSU Affiliate link
This GAMEMAX unit delivers 1050W of power with 80 Plus Gold efficiency. It supports ATX 3.0 and includes a 12VHPWR connector for modern graphics cards. The fully modular design and 140mm fan help manage cables and noise. ARGB lighting syncs with your motherboard. It is built for high-performance gaming systems that need stable power and future-proof connectivity.
Pros
- 1050W output capacity
- 80 Plus Gold efficiency rating
- ATX 3.0 and PCIe 5.0 ready with 12VHPWR connector
- Fully modular cable management
- ARGB sync with 25 lighting modes
Cons
- 140mm fan size requires larger case space
- ARGB features may not suit minimalist builds
- No mention of zero-RPM fan mode in data
Good fit if
- You need ATX 3.0 support for new GPUs
- You want high efficiency to save electricity
- You prefer customizable RGB lighting
Skip if
- You have a small form factor case
- You need silent operation without fan noise
- You prefer a non-RGB aesthetic
Verdict: GAMEMAX 1050W ATX 3.0 Gold PSU fits gamers with large cases who need modern GPU connectors and efficient power delivery. It suits users who want visible lighting effects and modular cables.
GAMEMAX 850W SFX Gold Power Supply
Best for: Compact PC builds requiring ATX 3.0 support
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Full Modular
- ATX Version
- ATX 3.0
- PCIe Connector Type
- 12VHPWR
- Form Factor
- SFX
View on Amazon: GAMEMAX 850W SFX Gold Power Supply Affiliate link
This GAMEMAX unit is an SFX form factor power supply delivering 850W of power. It holds an 80 Plus Gold certification for high efficiency under typical loads. The design includes full modularity and ATX 3.0 compatibility with a 12VHPWR connector for modern graphics cards. You should choose this model if you are building a compact PC that requires reliable power delivery in a small case.
Pros
- 80 Plus Gold efficiency rating for reduced energy waste
- Full modular cable management for cleaner builds
- ATX 3.0 ready with 12VHPWR connector for GPUs
- Japanese capacitors rated for 105°C stability
Cons
- SFX size limits airflow compared to larger ATX units
- 850W is less power than the 1050W ATX option on this list
- No mention of fan speed control modes in specifications
Good fit if
- You need a power supply for a small form factor case
- You want full modularity to manage cables neatly
- You require ATX 3.0 support for new graphics cards
Skip if
- You have a standard ATX case and need maximum wattage
- You prefer the 1050W model for higher headroom
- You need a power supply larger than SFX dimensions
Verdict: GAMEMAX SFX 850W Gold PSU fits users building compact systems who need ATX 3.0 compatibility and efficient power delivery in a small footprint.
Specifications side by side
| Spec | GAMEMAX 1050W ARGB Fully Modular PSU | GAMEMAX 850W SFX Gold Power Supply |
|---|---|---|
| Wattage | 1050W | 850W |
| Efficiency Rating | 80 Plus Gold | 80 Plus Gold |
| Modularity | Fully Modular | Full Modular |
| ATX Version | ATX 3.0 | ATX 3.0 |
| PCIe Connector Type | 12VHPWR 16pin | 12VHPWR |
| Fan Size | 140mm | not stated |
| Form Factor | ATX | SFX |
| Recommended Use | Gaming | not stated |
| Size | ARGB PRO SERIES | 850W |
| Dimensions | 6.61 × 5.91 × 3.35 inches | not stated |
| Weight | 3.53 pounds | not stated |
| Model | GMX-RGB-1050PRO | not stated |
| Color | not stated | WHITE |
Frequently asked questions
Is the GAMEMAX 1050W ARGB fully modular?
Yes, the GAMEMAX 1050W ARGB Fully Modular PSU features a fully modular design. This allows you to connect only the cables your system needs. It helps reduce clutter inside your case. The unit also includes ARGB lighting for visual appeal. It is built for high-end gaming PCs in standard ATX cases.
Does the GAMEMAX 850W SFX support ATX 3.0?
Yes, the GAMEMAX 850W SFX Power Supply supports ATX 3.0 standards. This ensures compatibility with modern graphics cards and power requirements. It delivers efficient power in a compact SFX form factor. This makes it suitable for small form factor builds that still need high performance and modern connectivity.
What is the efficiency rating for both units?
Both the GAMEMAX 1050W and the 850W SFX models hold an 80 Plus Gold efficiency rating. This means they convert AC power to DC power with high efficiency. Lower energy waste results in less heat generation. This rating applies to both the ATX and SFX versions in the lineup.
Can I fit the 1050W PSU in a small case?
No, the GAMEMAX 1050W is an ATX form factor unit. It measures 6.61 inches in length and 3.35 inches in height. This size fits standard mid-tower and full-tower ATX cases. It will not fit in compact cases designed for SFX power supplies. You need a case that supports standard ATX dimensions for this model.
Which model is better for a compact PC build?
The GAMEMAX 850W SFX Power Supply is better for compact builds. Its SFX form factor fits into small chassis that cannot accommodate standard ATX units. It still provides 850 watts of power and 80 Plus Gold efficiency. This makes it ideal for users who need high performance in a small footprint.
Does the 1050W model have lighting effects?
Yes, the GAMEMAX 1050W ARGB Fully Modular PSU includes ARGB lighting. The model name and description confirm this feature. It allows you to customize the visual appearance of your build. The SFX 850W model does not list ARGB capabilities. Choose the 1050W model if visible lighting is important to your setup.
Are both power supplies fully modular?
Yes, both units are fully modular. The GAMEMAX 1050W ARGB and the 850W SFX models both feature fully modular designs. This means every cable can be detached from the unit. You can manage cable routing more easily. This reduces internal clutter and improves airflow within your computer case.