SAMA White 750W Power Supply - Fully Modular 80 Plus Gold Certified ATX 3.1 & PCIE 5.1 Compliant Power Supply, Supports RTX 30/40 Series GPUs
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AI Verdict
This 750W 80 Plus Gold fully modular ATX 3.1 and PCIe 5.1 power supply is for gamers building with RTX 30/40 series GPUs.
This 750W 80 Plus Gold PSU is a situational fit, primarily because its ATX 3.1 and PCIe 5.1 compliance directly addresses the power needs of modern RTX 30/40 series GPUs. The fully modular design and 105°C Japanese capacitors are definite pluses for build quality and management. However, the reported inflexibility of flat cables and potential fan noise under heavy loads mean it's not a universal recommendation for every build, especially those prioritizing whisper-quiet operation or extreme cable routing flexibility.
If you need quieter operation under heavy loads or more flexible cables for intricate routing, look for PSUs with fluid dynamic bearing (FDB) fans and individually sleeved cables.
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Pros
- Fully modular cabling means you only connect the necessary cables, aiding in cleaner builds.
- Native PCIe 5.1 ports and cables directly support RTX 3090 Ti and RTX 40 series graphics cards.
- 80 PLUS Gold certification ensures at least 87% efficiency under various loads, reducing energy waste.
- The temperature-controlled fan adjusts speed dynamically for quieter operation during lighter tasks.
- Built with 100% industrial-grade 105°C rated Japanese capacitors, contributing to reliability and longevity.
- Certified to CQC 5000M high-altitude standards, adapting to regions with voltage challenges.
Cons
- Flat cables, while streamlined, can be less flexible and tricky to route neatly in tighter cases.
- Some users report the fan can get louder than expected under heavy loads, impacting quiet build goals.
- A few users have reported receiving older, non-PCIe 5.1 compliant units, requiring support intervention or adapters.
- While offering a 5-year warranty, some competitors provide longer warranty periods.
- Concerns about brand reputation exist for some users, as SAMA is newer to the North American PSU market.
Dimension Scores
The 80 PLUS Gold certification ensures at least 87% efficiency across various loads, reducing energy waste and heat output.
The temperature-controlled fan is designed for quieter operation during lighter tasks, but user reports indicate it can become louder under heavy system loads.
It features 100% industrial-grade 105°C rated Japanese capacitors, known for reliability and longevity.
The fully modular design allows users to connect only necessary cables, and flat cables are included for streamlined routing.
Best For
- Gaming PCs running RTX 30/40 series GPUs that need native PCIe 5.1 power connectors.
- PC builders prioritizing clean cable management with fully modular power supplies.
- Systems requiring an 80 Plus Gold certified PSU for energy efficiency.
- Users in high-altitude environments or regions with unstable voltage, due to CQC 5000M certification.
Not Recommended For
- Budget builds where a lower wattage or less efficient PSU would suffice.
- Users who prioritize absolute silence under all load conditions.
- Those needing a PSU with a warranty exceeding 5 years.
Watch Out For
- Flat cables are less flexible, making neat routing in compact cases more challenging than with rounder, more pliable cables.
- Under heavy system loads, the temperature-controlled fan may ramp up and become audibly louder, potentially disrupting quiet operation.
- Some buyers have received older stock that was not PCIe 5.1 compliant, necessitating contact with support for rectification or adapters.
Full Specifications
| ASIN | B0DM2FV84T |
| Brand | SAMA |
| Wattage | 750 watts |
| Form Factor | ATX |
| Item Weight | 4.6 pounds |
| Manufacturer | SAMA |
| Connector Type | ATX, PCIe |
| Cooling Method | Air |
| Output Wattage | 750 Watts |
| Compatible Devices | Gaming PC, High-end GPU, ATX Case, PCIe 5.1 Devices |
| Product Dimensions | 5.51 x 5.91 x 3.39 inches |
| Maximum Input Voltage | 127 Volts (AC) |
| Minimum Input Voltage | 110 Volts (AC) |
| Item dimensions L x W x H | 5.51 x 5.91 x 3.39 inches |
What Buyers Say
What's really interesting is that while it's marketed as ATX 3.1 and PCIe 5.1 compliant, a few people actually got older units that weren't, which is a pain to deal with. The fully modular design and flat cables are a double-edged sword; they look clean but those flat cables can be a real headache to bend and route in smaller cases. Most users are happy with its quiet operation for everyday tasks, but push it with a demanding GPU, and you might hear that fan kick in more than you'd like.
“Look, it's white and it powers my 4070, but man, those flat cables almost broke my fingers trying to get them to bend right in my case, and it definitely gets chatty when I'm actually gaming hard.”
Common Praise
- The fully modular design makes cable management much cleaner, only plugging in what's needed.
- Native PCIe 5.1 cables are a big plus for powering RTX 40 series GPUs without adapters.
- It runs quietly during typical browsing and lighter gaming sessions.
- The 80 Plus Gold efficiency helps keep power bills down compared to less efficient units.
- The white aesthetic matches specific build themes really well.
Common Complaints
- The flat cables are stiff and hard to bend, making routing in tight spaces frustrating.
- The fan can get noticeably loud when the system is under heavy load, like during intense gaming.
- Some buyers received units that were not the advertised PCIe 5.1 version, requiring returns or adapters.
- Concerns about the brand's long-term reliability compared to more established PSU manufacturers.
Ownership Tips
- The flat cables, while looking clean, retain their shape making them difficult to route around tight corners or through small cutouts.
- The fan noise under load isn't constant, but it's definitely audible when the GPU is really drawing power.
- The native 12VHPWR cable is a huge convenience, avoiding bulky adapters and keeping the build cleaner.
- The white finish holds up well and doesn't seem to yellow over time, maintaining the aesthetic.
Frequently Asked Questions
Does this PSU come with the 12VHPWR cable for RTX 40 series GPUs?
Yes, this power supply is equipped with native PCIe 5.1 ports and cables, fully supporting RTX 3090 Ti and RTX 40 series graphics cards.
Is the SAMA White 750W PSU quiet during operation?
The temperature-controlled fan dynamically adjusts its speed for quieter operation during lighter tasks. However, some users have reported it can get louder under heavy loads.
How long is the warranty on this power supply?
The SAMA White 750W Power Supply comes with a 5-year warranty.
Are the cables easy to manage?
The PSU features fully modular flat cables for streamlined cable management. While this helps with airflow, some users find flat cables less flexible and trickier to route neatly in very tight cases.
Is this power supply suitable for high-altitude environments?
Yes, it's certified to CQC 5000M high-altitude standards, designed to perform reliably in demanding high-altitude environments and adapt to voltage challenges.
Buying Guide
When you're looking at a power supply, you're basically picking the heart of your PC. You need enough wattage to power all your components, especially your graphics card. '80 Plus Gold' isn't just a fancy sticker; it means less electricity gets wasted as heat, which saves you a tiny bit on your power bill and keeps your PC cooler. 'Fully modular' means you only plug in the cables you actually need, which is a huge win for keeping your PC's insides tidy and improving airflow.
Wattage (750W)
This is how much power the PSU can deliver. Think of it like the engine size in a car; a 750W PSU is enough for most gaming PCs with a single high-end graphics card, ensuring everything runs smoothly without power drops.
80 Plus Gold Certification
This rating indicates how efficiently the PSU converts AC power from your wall into DC power for your PC. Gold means it's at least 87% efficient at various loads, so less energy is wasted as heat, similar to how a fuel-efficient car uses less gas.
ATX 3.1 & PCIe 5.1 Compliance
These are the latest standards for power supplies, specifically designed to handle the power demands and transient spikes of modern, power-hungry graphics cards like the RTX 40 series. It's like having a modern charging port that's built for today's high-wattage devices.
Fully Modular
This means every single cable detaches from the power supply. You only connect the cables your PC needs, which makes building much easier, reduces cable clutter inside your case, and improves airflow, much like organizing your closet so you only see the clothes you're actually going to wear.
Alternatives
If this PSU doesn't fit, look for units with higher wattage (e.g., 850W or 1000W) for multi-GPU setups or extreme overclocking, or consider PSUs with different cable types (e.g., individually sleeved) for maximum routing flexibility.
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