SAMA White 850W 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 850W, 80 Plus Gold, ATX 3.1 & PCIe 5.1 power supply is for builders needing a fully modular white PSU for RTX 30/40 series GPUs at an entry-level price.
This 850W ATX 3.1 and PCIe 5.1 power supply is a strong contender if you're building a white-themed PC and need native GPU connectors without breaking the bank. Its fully modular design and 80 Plus Gold efficiency are solid features for its price band. However, the brand's newer presence in the PSU market means some users might prefer more established options for peace of mind.
If you need absolute top-tier reliability and a longer warranty, look for PSUs from brands with a decade-plus track record in the enthusiast market, often with 7-10 year warranties.
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Pros
- Native PCIe 5.1 12V-2x6 (600W) connector directly supports RTX 40 series GPUs without adapters.
- Fully modular design with flat cables simplifies cable management and improves airflow.
- Achieves up to 91.15% efficiency at 50% load, reducing energy waste.
- 120mm ECO fan with Fluid Dynamic Bearing operates at noise levels as low as ≤20dB-A.
- Built with premium Japanese capacitors, contributing to stable power delivery.
- The white aesthetic with matching cables is frequently mentioned as a positive for themed builds.
Cons
- The brand SAMA is less established in the PSU market, leading to some user skepticism about long-term reliability.
- Some users express concern about the lower price point compared to more recognized brands, questioning component quality.
- One Reddit user noted an LTT review where a different SAMA PSU model (XF750W) failed tests, which might raise brand trust issues for some.
- Availability of the 850W model has been inconsistent, with it being sold out at times.
Dimension Scores
The 80 Plus Gold certification with up to 91.15% efficiency at 50% load and 850W output for ATX 3.1 and PCIe 5.1 is above category average for its price band.
Equipped with a 120mm FDB fan, it boasts noise levels as low as ≤20dB-A, which is quieter than many competitors.
The inclusion of premium Japanese capacitors and a 5-year warranty indicates a commitment to component quality and durability.
Its fully modular design with flat cables provides excellent flexibility for clean builds and improved airflow, making cable management effortless.
Best For
- PC builders creating a white-themed desktop with an RTX 30 or 40 series GPU.
- Users needing a fully modular power supply to maintain clean cable routing and improved airflow.
- Gaming rigs or workstations requiring 850 watts of power and ATX 3.1/PCIe 5.1 compatibility.
- Budget-conscious builders who prioritize ATX 3.1 and PCIe 5.1 features.
Not Recommended For
- Users who prioritize established, top-tier PSU brands with extensive review histories.
- Systems requiring more than 850 watts of power for extreme overclocking or multiple high-end GPUs.
- Those unwilling to consider a less common brand for a critical PC component.
Watch Out For
- Some users are wary of the brand's reputation in the PSU market, with one user stating, 'Too scary for me. If folks say it's good ok but the PSU is worth spending a little more on to not fry other parts or die.'
- The 850W model has experienced stock shortages, making it difficult to purchase at certain times.
- While this model is rated A- or B tier by some, there's a Reddit comment noting 'Not on the tier list' for a specific list, indicating inconsistent tier placement or recognition.
Full Specifications
| ASIN | B0DM2GP61S |
| Brand | SAMA |
| Wattage | 850 watts |
| Form Factor | ATX |
| Item Weight | 4.66 pounds |
| Manufacturer | SAMA |
| Connector Type | ATX, PCIe |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Compatible Devices | Desktop PC, ATX Motherboard, RTX 30/40 Series GPU, High-Altitude Environments |
| Product Dimensions | 5.51 x 5.91 x 3.39 inches |
| Minimum Input Voltage | 85 Volts (AC) |
| Item dimensions L x W x H | 5.51 x 5.91 x 3.39 inches |
What Buyers Say
Many users are drawn to this SAMA 850W PSU because it offers ATX 3.1 and PCIe 5.1 compatibility with a native 12V-2x6 connector at a price point often associated with less advanced units. The white color and fully modular flat cables are frequently highlighted as aesthetic and functional benefits for custom PC builds. While its quiet operation is a common point of praise, some potential buyers express hesitation due to SAMA being a less recognized brand in the PSU market, with concerns about long-term reliability despite its Gold certification and Japanese capacitors.
“I needed a white PSU for my new build and this one had the 12VHPWR cable and was actually affordable. It's been running my 4070 Ti super quiet, no issues so far, but I'm still a little nervous about the brand since I've never heard of them before.”
Common Praise
- The white color and matching cables look fantastic in themed PC builds.
- Installation is straightforward due to the fully modular design.
- The fan operates very quietly, even under load.
- Provides ample power for high-performance systems, including RTX 40 series GPUs.
- The native 12V-2x6 connector is a huge plus for modern graphics cards.
Common Complaints
- Skepticism about the brand's long-term reliability compared to more established PSU manufacturers.
- Concerns that the relatively low price might indicate compromises in internal components, despite the Japanese capacitors.
- Difficulty finding the 850W model in stock at times.
- One user referenced an LTT review where a different SAMA PSU model failed tests, creating brand uncertainty.
Ownership Tips
- The flat white cables are a game-changer for clean routing, especially in smaller cases.
- The fan is genuinely silent most of the time, only spinning up noticeably under heavy gaming loads.
- The native 12V-2x6 cable feels sturdy and eliminates the need for ugly adapters.
- The unit runs cool, even after hours of demanding use, suggesting the efficiency is holding up.
- The packaging felt basic, but the PSU itself seems well-protected.
Frequently Asked Questions
Does this PSU come with the 12V-2x6 cable for RTX 40 series GPUs?
Yes, it includes native PCIe 5.1 ports and cables, specifically a 12V-2x6 (600W) connector, for direct compatibility with RTX 3090 Ti and RTX 40 series graphics cards.
Is this power supply quiet during operation?
The SAMA GT Power Supply features a 120mm ECO fan with Fluid Dynamic Bearing technology, designed for quiet operation with noise levels as low as ≤20dB-A. Users have praised its silent operation.
What is the efficiency rating of this power supply?
It is 80 Plus Gold Certified, achieving up to 91.15% efficiency at 50% load. It also holds a Cybernetics Gold certification.
What kind of capacitors does this PSU use?
The SAMA GT Power Supply is built with premium Japanese capacitors, which are known for stable power delivery and long-term reliability.
What is the warranty period for this power supply?
It comes with a 5-year manufacturer's warranty.
Buying Guide
When you're looking at a power supply, you're essentially picking the heart of your PC. You need enough wattage to power all your components, especially your graphics card. Efficiency ratings like 80 Plus Gold tell you how much power is wasted as heat; higher efficiency means less heat and potentially lower electricity bills. Modularity is about how many cables you have to plug in; fully modular means you only use the cables you need, which makes building and cable management way easier.
Wattage (850W)
80 Plus Gold Certified
ATX 3.1 & PCIe 5.1 Compliant
Fully Modular
Alternatives
If this PSU doesn't quite fit, look for units with a 750W-1000W output and a 10-year warranty from a brand with a longer history in the enthusiast PC market, especially if you're building a top-tier system or plan extensive overclocking.
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