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Item #:
199310340
Seasonic Core GX-850 ATX3 80 Plus Gold Full Modular 850W Power Supply Unit
85% of respondents would recommend this to a friend
Item #:
199310340
IMP 202
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Imported from Japan store
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Order now and get it around Monday, October 19
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80 plus gold efficiency reduces energy waste and delivers high efficiency under all loads.
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Note: Step Down Voltage Transformer required for using electronics products of JAPAN store (100 V). Recommended power converters Buy Now.
What Stands Out
High Efficiency
Achieves 80 Plus Gold certification, providing enhanced energy efficiency to reduce electricity costs while ensuring reliable power delivery for demanding systems.
Full Modular Design
Offers a full modular cable system, allowing users to connect only the cables necessary for their build, reducing clutter and improving airflow within the case.
Robust Protection
Equipped with advanced protection features such as Over Voltage, Short Circuit, and Over Temperature protections, ensuring utmost safety and longevity for your high-performance components.
Product Details
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Output Wattage | 850 |
| Form Factor | ATX |
| Wattage | 850 W |
| Cooling Method | Air |
| Number of Fans | 1 |
| Maximum Input Voltage | 240 Volts (AC) |
| Minimum Input Voltage | 100 Volts (AC) |
| System Bus Connector Type | ATX |
| Item Dimensions | 14 x 15 x 8.6 cm |
| Item Weight | 1.58 kg |
| Model Name | Power Supply Unit |
| Brand | Seasonic |
| Manufacturer | Seasonic |
| Global Trade Identification Number | 04711173878476 |
| Mfr Part Number | Core GX-850 ATX 3.1 |
| Model Number | Core GX-850 ATX 3.1 |
| EU Spare Part Availability Duration | 7 Years |
| Connector Type | ATX |
Who Should Buy?
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Gaming Enthusiasts
Ideal for high-performance gaming rigs requiring reliable power delivery and efficiency for demanding graphics and processors.
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Modular System Builders
Full modular design allows easier cable management and customizable setups for building neat, organized systems.
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Power Efficiency Seekers
With an 80 Plus Gold certification, it provides energy efficiency, reducing electricity costs for constant use.
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Budget-Conscious Users
Its premium price might not suit users looking for basic functionality without high-performance needs.
Product Description
Seasonic Core GX-850 ATX3 80 Plus Gold Full Modular 850W Power Supply Unit
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the wattage of the Seasonic Core GX-850-V2?
Answer: It provides 850W of power. -
Question:
Is the design fully modular?
Answer: Yes, it features a fully modular design. -
Question:
How efficient is the power supply?
Answer: It has an 80 Plus Gold efficiency rating.
Seasonic Core GX-850 ATX 3.1 Editorial Review
The Seasonic Core GX-850 ATX3 80 Plus Gold Full Modular Power Supply Unit has garnered a largely positive response from customers, particularly those who have appreciated Seasonic's long-standing reputation for reliability and performance. Reviewers highlight the unit's excellent build quality and high efficiency, with users noting stable voltage output and a well-executed modular design that simplifies cable management. Moreover, the quiet operation stands out, especially in its Zero-RPM mode, allowing the fan to remain off during idle periods, which is a significant perk for those seeking a noise-free computing environment. The power supply's extensive protection circuits enhance user confidence in its durability and reliability, ensuring peace of mind during operation. However, there are mixed feelings regarding some of the design choices in newer models. Customers have noted a perceived decline in aesthetic detail and customization features, like the fan mode switch, which could detract from the premium feel associated with Seasonic products. Some users have also pointed out that the fan may become audible under heavy load and that the flat cables can be somewhat inflexible in tight cases. While the price point is Considered high compared to some competitors, many customers feel the quality justifies the investment.
Customer Reviews & Ratings
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Pros
- Excellent build quality and reliability
- High efficiency (Gold-rated)
- Very quiet operation, especially in idle (Zero-RPM mode)
- Fully modular for easy cable management
- Comprehensive protection features
Cons
- Fan can be audible under load
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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IMP 202
Order now and get it around Monday, October 19
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Features & Benefits
- 850W power supply with ATX3.1 black design.
- Achieves 80 Plus Gold efficiency for minimal energy waste.
- Fully modular design for optimal cable management.
- Premium fan control ensures quiet operation under heavy loads.
- Built with advanced components for reliable and stable performance.
- Future-proof compatibility with modern and upcoming hardware.
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