SAMA XP850W PC Power Supply Platinum 80+ ATX3.0 PCIE5.0 Full Voltage 12VHPWR PSU Silent Fan ECO Mode Full Modular ATX Power Supply for 3090Ti 4070Ti 4080 4090 Black
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AI Verdict
This 850W 80 Plus Platinum, ATX 3.0, PCIe 5.0 fully modular PSU with a 140mm ECO fan is for builders needing modern GPU support on a budget.
This SAMA XP850W PSU is a situational fit for PC builders looking for an 850W 80 Plus Platinum unit with ATX 3.0 and PCIe 5.0 support at an entry-level price point. Its modern connectivity and efficiency are appealing, but the brand's newer market presence and a shorter full replacement warranty might give some users pause.
If you need a longer, more comprehensive warranty or a PSU from a brand with a longer track record, look for units offering 10+ years of full replacement coverage.
Regret Score™
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Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
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Pros
- Achieves 80 Plus Platinum certification, indicating high energy efficiency and reduced heat output.
- Supports ATX 3.0 and PCIe 5.0 standards, including a 12VHPWR connector for modern GPUs like the RTX 4070Ti and 4080.
- Features a 140mm FDB Smart ECO fan that adjusts speed based on load for quieter operation.
- Utilizes 105°C Japanese capacitors for enhanced reliability and performance under high temperatures.
- Comes with soft-textured embossed cables for easier routing and a cleaner build.
- Includes comprehensive built-in protections (OVP/OCP/OPP/OTP/UVP/SCP) to safeguard hardware.
Cons
- The warranty offers 3 years of full replacement and 7 years of repair, which is shorter than some competitor offerings.
- While some Japanese capacitors are used, primary side capacitors are Taiwanese, which might affect long-term component consistency.
- The brand SAMA is relatively new to the PSU market, having started selling PSUs around three years ago.
Dimension Scores
The unit is 80 Plus Platinum certified and provides 850 watts, supporting ATX 3.0 and PCIe 5.0 with a 12VHPWR connector.
It features a 140mm FDB Smart ECO fan that adjusts speed automatically for near-silent operation.
It uses 105°C Japanese capacitors, though primary side capacitors are Taiwanese, and includes multiple built-in protections.
This is a fully modular power supply with soft-textured embossed cables for improved flexibility.
Best For
- PC builders on a tight budget needing an 850W PSU with ATX 3.0 and PCIe 5.0 support.
- Gaming rigs featuring RTX 4070Ti or RTX 4080 GPUs requiring a 12VHPWR connector.
- Users prioritizing energy efficiency with an 80 Plus Platinum rating.
- Compact PC builds where a 150mm x 150mm x 86mm form factor is preferred.
Not Recommended For
- Users who prioritize a 10+ year full replacement warranty from established brands.
- High-end systems with multiple power-hungry GPUs or CPUs exceeding 850W requirements.
- Buyers wary of newer PSU brands without extensive long-term reliability data.
Watch Out For
- Some users on Reddit express skepticism about the brand's low pricing, suggesting deals might be 'too good to be true' or involve fraudulent sellers on Amazon.
- The warranty structure provides only 3 years of full replacement, with the remaining 7 years covering repairs, which is less comprehensive than some competitors.
- Despite claims of 105°C Japanese capacitors, Reddit discussions indicate that primary side capacitors are Taiwanese.
Full Specifications
| ASIN | B0C7TRJGL5 |
| Brand | SAMA |
| Wattage | 850 watts |
| Fan Count | 1 |
| Form Factor | ATX |
| Item Weight | 7.06 pounds |
| Manufacturer | SAMA |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | SAMA XP85W Blaack 80PLUS PLATINUM |
| Compatible Devices | Personal Computer |
| Product Dimensions | 1 x 1 x 1 inches |
| Power Supply Design | Full Modular |
| Item dimensions L x W x H | 1 x 1 x 1 inches |
What Buyers Say
The SAMA XP850W frequently appears at aggressive price points, leading some potential buyers to question its legitimacy or long-term value. While it boasts modern features like ATX 3.0 and PCIe 5.0 with a 12VHPWR connector, the brand's relatively recent entry into the PSU market and a split warranty (3 years full, 7 years repair) are points of consideration. User feedback is limited, with some praising its value and others expressing general caution about lesser-known brands.
“Man, this thing was so cheap for Platinum and ATX 3.0, I just hope it doesn't blow up my 4080, but so far so good after a few months of gaming.”
Common Praise
- Provides 850W with 80 Plus Platinum efficiency.
- Includes the necessary 12VHPWR connector for new GPUs.
- Fully modular design simplifies cable routing.
- Operates quietly due to the 140mm ECO fan.
Common Complaints
- Concerns about the brand's newness and long-term reliability.
- The warranty is 3 years full replacement, 7 years repair, which is not as extensive as some competitors.
- Primary side capacitors are Taiwanese, despite claims of Japanese capacitors.
Ownership Tips
- The cables are flexible enough to manage in smaller cases without too much struggle.
- The fan really does stay quiet under normal gaming loads, you barely hear it.
- The 12VHPWR cable feels sturdy and clicks securely into the GPU.
- The unit runs cool, even during extended gaming sessions, likely due to the Platinum efficiency.
Frequently Asked Questions
Does this PSU come with the 12VHPWR cable for RTX 40 series GPUs?
Yes, the SAMA XP850W includes a 12VHPWR connector, making it ready for modern GPUs like the RTX 4070Ti and 4080.
Is this power supply fully modular?
Yes, it is a fully modular power supply, which helps with cleaner cable management and only connecting the cables you need.
What is the warranty period for this PSU?
The warranty is split into 3 years of full replacement and 7 years of repair.
Is the fan noisy?
The SAMA XP850W features a 140mm FDB Smart ECO fan designed to adjust its speed based on system temperature and load, aiming for near-silent operation.
What are the dimensions of this power supply?
The power supply has dimensions of 150mm (Length) x 150mm (Width) x 86mm (Height).
Buying Guide
When buying a power supply, you're essentially getting the heart of your PC. It converts wall power into usable electricity for all your components. You need enough wattage to run everything, but also a good efficiency rating to save on your electricity bill and reduce heat. Modern PSUs also need to support new standards like ATX 3.0 and PCIe 5.0 if you're using the latest graphics cards.
Wattage (850W)
This is the maximum power your PSU can deliver. Think of it like the horsepower of a car; you need enough to get where you're going, but too much is overkill. 850W is plenty for most mid-to-high-end gaming PCs, especially with an RTX 4070Ti or 4080.
80 Plus Platinum
This certification indicates how efficiently the PSU converts AC power to DC power. Platinum means it's very efficient, wasting less energy as heat. This saves you a bit on your electricity bill and keeps your PC cooler.
ATX 3.0 & PCIe 5.0 with 12VHPWR
These are the latest standards for power supplies, especially important for new graphics cards like the NVIDIA RTX 40 series. The 12VHPWR connector is a single cable that can deliver a lot of power directly to these cards, simplifying wiring and ensuring stable power delivery.
Fully Modular
A fully modular PSU means you only plug in the cables you actually need. This makes building your PC much tidier, improves airflow inside your case, and generally looks way better than having a bunch of unused cables stuffed somewhere.
Alternatives
If this PSU doesn't fit, look for units with a longer full replacement warranty, or from brands with a more established reputation in the power supply market, especially if you're building a high-end system.
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