SAMA Black 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 ATX 3.1, PCIe 5.1 compliant, fully modular power supply with 80 Plus Gold certification is for builders needing modern GPU support on a budget.
This SAMA 850W PSU is a situational fit for users building a gaming or content creation PC with modern GPUs due to its ATX 3.1 and PCIe 5.1 compliance and 850W output. The fully modular design and flat cables aid in clean builds. However, the reported cable quantity issue and a user experiencing a unit failure suggest potential inconsistencies.
If you need absolute assurance of long-term reliability and comprehensive cable sets, look for PSUs from more established brands with a 10-year warranty and verified cable inventories.
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Pros
- Provides 850 watts of power, suitable for gaming PCs and content creation systems.
- Features ATX 3.1 and PCIe 5.1 compatibility, directly supporting RTX 30 and 40 series GPUs with native cables.
- Achieves up to 91.15% efficiency at 50% load with 80 Plus Gold certification, reducing energy waste.
- Includes a fully modular design with flat cables for streamlined cable management.
- Equipped with a 120mm ECO fan utilizing Fluid Dynamic Bearing (FDB) technology for quiet operation at ≤20dB-A.
- Built with Japanese capacitors, backed by a 5-year warranty for component longevity.
Cons
- Some users reported not receiving a full complement of cables for all available ports on the PSU.
- Brand is relatively new to some markets, leading to user hesitation regarding long-term reliability.
- One user experienced the PSU clicking repeatedly and failing to power on after a few months of use.
Dimension Scores
The 850W output and 80 Plus Gold certification with 91.15% efficiency at 50% load are above average for its price band.
The 120mm FDB fan is specified to operate at ≤20dB-A, which is quieter than many budget options.
The inclusion of Japanese capacitors and a 5-year warranty are positive indicators, though some user reports of early failure temper the score.
The fully modular design with flat cables provides excellent flexibility and ease for cable routing.
Best For
- Gaming PC builds with RTX 30/40 series GPUs requiring native PCIe 5.1 power.
- Content creation systems needing 850W of stable power.
- PC builders prioritizing a clean aesthetic with fully modular, flat cables.
Not Recommended For
- Users who require a 10-year warranty for their power supply.
- Builders who need every modular port populated with included cables out of the box.
Watch Out For
- The included cables might not fill all available modular ports, specifically for SATA or Molex connections, despite the PSU supporting more connections than it ships with cables for.
- One user reported the PSU repeatedly clicking and failing to power on after a few months of operation, necessitating a return.
- Some buyers express concern about the brand's newer presence and limited long-term user reviews, viewing it as a 'dice roll' for reliability.
Full Specifications
| ASIN | B0DM2LC8HX |
| 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 | Gaming PC, Content Creation System |
| Product Dimensions | 5.51 x 5.91 x 3.39 inches |
| Maximum Input Voltage | 240 Volts (AC) |
| Minimum Input Voltage | 100 Volts (AC) |
| Item dimensions L x W x H | 5.51 x 5.91 x 3.39 inches |
What Buyers Say
Some users have reported that the included cables might not be enough to populate all available modular ports, particularly for SATA or Molex devices, which can be frustrating during a build. While the PSU is praised for its modern compatibility with ATX 3.1 and PCIe 5.1, there's a recurring sentiment of uncertainty about the brand's long-term reliability due to its relative newness. One concerning report detailed a unit failing to power on after a few months, exhibiting a clicking sound.
“Look, it's cheap and it's got the new GPU plugs, but seriously, they didn't even give me enough SATA cables for all the ports, and then it just started clicking and died after a few months. Had to return it. What a headache.”
Common Praise
- Native PCIe 5.1 cables directly support RTX 30/40 series GPUs.
- Fully modular design simplifies cable routing and improves case airflow.
- Flat cables make cable management easier to achieve a clean build.
- Quiet operation from the 120mm FDB fan, even under load.
- 80 Plus Gold efficiency helps reduce heat and energy consumption.
Common Complaints
- Not all modular ports have corresponding cables included in the box, requiring separate purchases for some connections.
- One user experienced the PSU clicking repeatedly and failing to power on after a few months of use.
- General hesitation from some users due to the brand's newer presence and limited long-term reliability data.
Ownership Tips
- You might need to buy extra SATA or Molex cables if your build requires more than the included ones.
- Monitor for any unusual noises or power delivery issues, especially in the first few months of use.
- The flat cables are easier to route and hide than traditional sleeved cables.
- The fan remains quiet during typical use, but its long-term acoustic performance under sustained heavy loads is less documented.
Frequently Asked Questions
Does this power supply support the latest RTX 40 series graphics cards?
Yes, it is ATX 3.1 and PCIe 5.1 compliant and includes native cables to fully support RTX 30 and 40 series GPUs.
Is the SAMA Black 850W power supply fully modular?
Yes, it features a fully modular design, allowing you to connect only the necessary cables for your system.
What is the efficiency rating of this power supply?
It has an 80 Plus Gold certification, achieving up to 91.15% efficiency at 50% load.
How quiet is the fan on this power supply?
The 120mm ECO fan with Fluid Dynamic Bearing (FDB) technology operates at noise levels as low as ≤20dB-A, even under heavy loads.
What kind of capacitors are used in this power supply?
It is built with high-quality Japanese capacitors, contributing to stable power delivery and long-term reliability.
Buying Guide
When you're buying a power supply, you're essentially getting the heart of your PC. It converts wall power into usable power for all your components. You need to make sure it has enough wattage for your CPU and GPU, and that it has the right connectors for modern graphics cards. Efficiency ratings like 80 Plus Gold tell you how much power is wasted as heat, which affects your electricity bill and how hot your case gets.
Wattage (850W)
ATX 3.1 & PCIe 5.1 Compliant
Fully Modular
80 Plus Gold Certification
Alternatives
If this PSU doesn't fit, look for units with a 1000W or higher wattage for extreme multi-GPU setups, or consider models from brands with a longer track record of reliability if long-term peace of mind is your top priority.
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