Best RGEEK PC Power Supplies: 2 Models Compared
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This guide covers the best RGEEK PC power supplies for small form factor builds. We compared 2 models to find units that match your specific case dimensions and power needs. The selections are based strictly on the specifications published on the listings. RGEEK offers compact units like the Mini ITX and Flex ATX form factors. The top pick is the RGEEK Mini ITX DC to DC ATX Power Supply, which leads for compact Mini ITX PC builds due to its small footprint and stable DC output.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | RGEEK Mini ITX DC to DC ATX Power Supply Best overall | Compact Mini ITX PC builds | Check price of RGEEK Mini ITX DC to DC ATX Power Supply on Amazon |
| 2 | RGEEK 600W Modular Flex ATX PSU Best budget | Mini ITX cases needing 12VHPWR support | Check price of RGEEK 600W Modular Flex ATX PSU on Amazon |
Our 2 picks
RGEEK Mini ITX DC to DC ATX Power Supply
Best for: Compact Mini ITX PC builds
- Wattage
- 300W
- Form Factor
- Mini ITX
- Device Compatibility
- PCs
- Weight
- 6.38 ounces
View on Amazon: RGEEK Mini ITX DC to DC ATX Power Supply Affiliate link
The RGEEK 300W Pico ATX power supply is a compact unit designed for Mini ITX builds. It operates on a 12V DC input with a narrow range of 11.2 to 12.6V. The unit weighs just 6.38 ounces and includes short-circuit protection. It is ideal for small form factor PCs that require a reliable, low-profile power source.
Pros
- 300W output capacity for Mini ITX systems
- Lightweight design at 6.38 ounces
- Short-circuit protection shuts down output
- Defensive function for +3.3V, +12V, and +5V rails
Cons
- Narrow input voltage range of 11.2 to 12.6V
- Requires specific 2.5mm x 5.5mm DC connector
- Limited to 300W, unsuitable for high-power GPUs
Good fit if
- You are building a Mini ITX PC
- You need a lightweight, compact power supply
- You have a stable 12V DC power source
Skip if
- You require AC mains input
- You need more than 300W of power
- You use standard ATX connectors
Verdict: RGEEK 300W Pico ATX PSU fits small builds needing stable DC power. It suits users with space constraints and specific voltage requirements.
RGEEK 600W Modular Flex ATX PSU
Best for: Mini ITX cases needing 12VHPWR support
- Wattage
- 600W
- Modularity
- Fully Modular
- PCIe Connector Type
- 12VHPWR, 12V-2x6, 6+2Pin
- Form Factor
- Mini ITX
- Power Factor Correction
- Active PFC
- Device Compatibility
- NAS, PCs
View on Amazon: RGEEK 600W Modular Flex ATX PSU Affiliate link
The RGEEK 600W Flex ATX is a fully modular power supply designed for small form factor builds. It delivers 600W via a 12V rail and includes native 12VHPWR connectors for modern GPUs. Its compact 16.5 x 8.15 x 4.05 cm footprint fits Mini ITX cases. The unit features Japanese capacitors and a silent 4020 fan for quiet operation in NAS, POS, or compact server setups.
Pros
- Fully modular design reduces cable clutter
- Compact 6.5 x 3.35 x 1.59 inch size
- Includes 12VHPWR and 12V-2x6 PCIe connectors
- Over 92% efficiency rating for less heat
- Built-in Japanese capacitors for stable output
Cons
- Small 4020 fan may spin louder under heavy load
- Specific 14Pin to 24Pin cable requires careful connection
- No mention of cable length variety beyond included set
Good fit if
- You need a PSU for a Mini ITX case
- You want to use 12VHPWR GPU cables
- You are building a compact NAS or server
Skip if
- You require a standard ATX form factor
- You need more than 600W of power
- You prefer a larger, quieter 120mm fan
Verdict: The RGEEK 600W Flex ATX Fully Modular PSU fits users who need high-density power for small cases. It is a solid option for Mini ITX builds requiring modern PCIe 5.0 connectors.
Specifications side by side
| Spec | RGEEK Mini ITX DC to DC ATX Power Supply | RGEEK 600W Modular Flex ATX PSU |
|---|---|---|
| Wattage | 300W | 600W |
| Modularity | not stated | Fully Modular |
| PCIe Connector Type | not stated | 12VHPWR, 12V-2x6, 6+2Pin |
| Form Factor | Mini ITX | Mini ITX |
| Power Factor Correction | not stated | Active PFC |
| Device Compatibility | PCs | NAS, PCs |
| Weight | 6.38 ounces | 2.94 pounds |
| Dimensions | not stated | 6.5 × 3.35 × 1.59 inches |
| Model | LR1106-250W12VDC | not stated |
RGEEK Power Supply Options Compared
RGEEK offers distinct power solutions tailored for compact builds. The Mini ITX DC to DC ATX Power Supply targets users with strict space constraints. It delivers stable DC power in a lightweight form factor. This unit suits those needing specific voltage requirements without excess bulk.
For higher density needs, the 600W Modular Flex ATX PSU provides fully modular cabling. It supports modern PCIe 5.0 connectors via the 12VHPWR interface. This model fits Mini ITX cases requiring robust power delivery. You can choose based on whether you prioritize compact DC efficiency or high-wattage modularity for modern GPUs.
Where RGEEK Fits Your Build
RGEEK targets small form factor builders who need specialized power solutions. The range spans from lightweight DC-to-DC units to compact modular Flex ATX designs. You will find options for tight spaces, including a unit under seven ounces and a fully modular 600W model with 12VHPWR support. However, the lineup has clear gaps. There are no standard ATX units for full-size towers, and no high-wattage options for extreme gaming rigs. If you require traditional bulkier cases or massive power draws, this brand does not currently offer suitable models in its catalog.
How to Choose the Right RGEEK PSU
-
Match Form Factor to Case
Verify your chassis supports the specific PSU type. The Mini ITX DC to DC unit fits tight spaces where standard ATX units fail. The Flex ATX model measures 3.35 by 1.59 by 6.5 inches. You must check internal dimensions before buying. A mismatch means the unit will not fit. Ensure the mounting holes align with your case. This step prevents physical installation issues and ensures proper airflow clearance for your components.
-
Check Modularity Needs
Decide if you need cable management flexibility. The 600W Flex ATX unit is fully modular. This allows you to connect only the cables you require. It reduces clutter in small cases. The DC to DC unit has fixed connections. Choose modularity if you value clean builds. Fixed cables are simpler but limit routing options. Your choice depends on how much space you have for cable management inside the chassis.
-
Verify Power Requirements
Calculate the total wattage your components need. The DC to DC unit provides 300W. This suits low-power builds or specific voltage needs. The Flex ATX unit offers 600W. It supports higher power demands and modern GPUs. Ensure your CPU and graphics card stay within these limits. Overloading a unit causes instability. Underpowering limits performance. Match the rated output to your system's peak load to ensure reliable operation during heavy tasks.
-
Assess Weight Constraints
Consider the weight if portability matters. The DC to DC unit weighs 6.38 ounces. It is extremely light for its class. The Flex ATX unit weighs 2.94 pounds. This is heavier due to its larger components. Lighter units are easier to handle during installation. Heavier units may offer more robust construction. Check if your case supports the weight. Some small frames have limited support structures for heavier power supplies.
-
Confirm PCIe Connector Support
Ensure compatibility with your graphics card. The 600W Flex ATX unit supports 12VHPWR. This is required for newer PCIe 5.0 GPUs. Older cards may need adapters. The DC to DC unit targets specific voltage needs. It may not support standard PCIe power connectors. Check your GPU specifications before purchasing. Using the wrong connector can damage hardware. Verify that the PSU provides the exact cables your components require for safe operation.
Frequently asked questions
Which RGEEK power supply is best for Mini ITX cases?
The RGEEK 600W Modular Flex ATX PSU is the top choice for Mini ITX builds requiring modern support. It features a fully modular design and supports PCIe 5.0 connectors. Its compact dimensions of 3.35 by 1.59 by 6.5 inches allow it to fit into tight chassis spaces where standard units cannot.
Is there a lightweight RGEEK PSU for small builds?
Yes, the RGEEK Mini ITX DC to DC ATX Power Supply is the lightest option available. It weighs only 6.38 ounces, making it ideal for users with strict space constraints. This unit provides stable DC power and is designed specifically for compact systems that need a lightweight form factor.
Does RGEEK offer a fully modular power supply?
The RGEEK 600W Modular Flex ATX PSU is fully modular. This allows you to connect only the cables you need, reducing clutter in small cases. It is particularly suited for Mini ITX builds that require high-density power and support for modern graphics card connectors like 12VHPWR.
What is the difference between the two RGEEK models?
The primary difference is their power delivery and form factor. The Mini ITX DC to DC unit is a lightweight 300W solution for basic compact builds. The 600W Flex ATX model is larger and fully modular, designed for high-density power needs and modern PCIe 5.0 compatibility in small cases.
Can I use RGEEK PSUs in standard ATX cases?
These units are designed for Mini ITX and Flex ATX form factors, which are smaller than standard ATX. You must verify that your chassis supports these specific dimensions. The Flex ATX model measures 6.5 inches in length, so it will not fit in cases designed for full-size ATX power supplies.
Which RGEEK PSU supports PCIe 5.0 connectors?
The RGEEK 600W Modular Flex ATX PSU supports modern PCIe 5.0 connectors. This makes it a solid option for Mini ITX builds that require high-density power for newer graphics cards. The other model, the Mini ITX DC to DC unit, does not list this specific support in its specifications.
How small is the RGEEK Mini ITX PSU?
The RGEEK Mini ITX DC to DC ATX Power Supply is extremely compact and lightweight. It weighs just 6.38 ounces, making it one of the lightest options for small builds. This unit is ideal for users who need stable DC power in a form factor that fits tight spaces.