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Item #:
221129534
Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX 3.0 & PCIe 5.0 Ready - Fully Modular - Premium Japanese Capacitors - Nvidia RTX 40/50 & AMD GPU
86% of respondents would recommend this to a friend
Item #:
221129534
IMP 292
Price Details
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Order now and get it around Monday, August 03
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What Stands Out
High Power Output
With a robust 1200W capacity, the Seasonic VERTEX GX-1200 ensures reliable power delivery for high-performance systems, supporting demanding components and offering stability during peak loads.
Connectivity Standards
Equipped with ATX 3.0 and PCIe 5.0 compatibility, this PSU future-proofs your setup, allowing seamless integration with the latest GPUs from Nvidia and AMD, enhancing overall system performance.
Premium Components
Featuring high-quality Japanese capacitors, this power supply guarantees longevity and efficiency, minimizing ripple and noise while maximizing performance for a quieter, more efficient system.
Product Details
- Fully compatible with ATX 3.0 and PCIe 5.0 standards
- Full modularity for the best cable management options
- Added 12VHPWR cable to comply with the new graphic cards
- 135mm Fluid Dynamic Bearing (FDB) fan for quiet operation
- Seasonic Hybrid Silent Fan Control for optimal cooling
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | atx,pcie |
| Output Wattage | 1200 |
| Form Factor | ATX |
| Wattage | 1200 watts |
| Cooling Method | Air |
| Power Supply Design | Full Modular |
| Number of Fans | 1 |
| Maximum Input Voltage | 264 Volts (AC) |
| Minimum Input Voltage | 110 Volts (AC) |
| System Bus Connector Type | 16 Pin |
| Item Dimensions | 7.3 x 13.6 x 4.5 inches (18.5 x 34.5 x 11.4 cm) |
| Item Weight | 3.3 Kilograms |
| Model Name | Vertex GX-1200 |
| Brand | Seasonic |
| Manufacturer | Seasonic |
| UPC | 827676014410 |
| Global Trade Identification Number | 04711173877721 |
| Mfr Part Number | VERTEX GX-1200 |
| Model Number | VERTEX GX-1200 |
| Unit Count | 1.0 Count |
| Connector Type | atx,pcie |
| Item dimensions L x W x H | 7.3 x 13.6 x 4.5 inches (18.5 x 34.5 x 11.4 cm) |
Who Should Buy?
-
High-End Gamers
Ideal for gamers using Nvidia RTX 40/50 or AMD GPUs, providing reliable performance with 1200W power supply.
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Content Creators
Perfect for video and 3D rendering tasks requiring high-performance hardware, ensuring stable power delivery under load.
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Enthusiast Builds
Suitable for custom PC builders seeking premium components and flexible connectivity options with fully modular design.
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Casual Users
Not ideal for casual users with basic setups who don't require extensive power or features offered by this PSU.
Product Description
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Customer Questions & Answers
-
Question:
What is the power capacity of the Seasonic Vertex PX-1200?
Answer: The Seasonic Vertex PX-1200 has a power capacity of 1200 watts. This high wattage ensures that it can efficiently support high-performance components, including the latest Nvidia RTX 4050 and AMD graphics cards. It's particularly beneficial for gamers and professionals who require robust performance, powering various setups without any voltage fluctuations. -
Question:
What does 80 Platinum certification mean?
Answer: The 80 Platinum certification indicates that the Seasonic Vertex PX-1200 operates with at least 90% efficiency at 20%, 50%, and 100% loads, significantly reducing energy consumption. This high level of efficiency not only minimizes energy waste but also lowers electricity bills, making it a great choice for environmentally conscious users or those looking to reduce operational costs. -
Question:
Is the Seasonic Vertex PX-1200 fully modular?
Answer: Yes, the Seasonic Vertex PX-1200 is fully modular. This means you only connect the cables you need based on your specific setup, which enhances airflow and cable management within your case. It's especially useful for custom builds, allowing enthusiasts to achieve a clean and organized interior for better cooling. -
Question:
What are Japanese capacitors and why are they important?
Answer: The Seasonic Vertex PX-1200 utilizes premium Japanese capacitors known for their reliability and longevity. These capacitors can withstand high temperatures and deliver stable voltage regulation. As a result, users can expect increased durability and performance stability over time, which is crucial for systems with demanding hardware. -
Question:
Does the Vertex PX-1200 support ATX 3.0 and PCIe 5.0?
Answer: Yes, the Vertex PX-1200 is designed to support both ATX 3.0 and PCIe 5.0 standards. This capability ensures compatibility with the latest technologies and future-proofing for upcoming hardware. Users building or upgrading systems with cutting-edge components can benefit from the latest advancements in power supply design. -
Question:
Can I use the Seasonic Vertex PX-1200 for overclocking?
Answer: Absolutely, the Seasonic Vertex PX-1200 is an excellent choice for overclocking setups. Its stable power delivery and high efficiency support the increased demands of overclocked components, allowing users to push their systems to maximize performance without stability issues, making it ideal for gaming and high-performance computing. -
Question:
What makes the Vertex PX-1200 suitable for gaming rigs?
Answer: The Vertex PX-1200's high wattage, combined with its Platinum efficiency and modular design, makes it perfect for gaming rigs. It can power multiple high-end GPUs and processors often found in advanced gaming setups. Furthermore, its stable power output ensures optimal performance during intense gaming sessions. -
Question:
Is the Seasonic Vertex PX-1200 suitable for a workstation PC?
Answer: Yes, the Seasonic Vertex PX-1200 is highly suitable for workstation PCs, especially those used for graphic design, video editing, or software development. Its robust power delivery and efficiency make it capable of handling multiple power-hungry components, ensuring your system runs smoothly and reliably under heavy loads. -
Question:
What cooling features does the Vertex PX-1200 have?
Answer: The Seasonic Vertex PX-1200 incorporates advanced cooling technologies including a fluid dynamic bearing fan that operates quietly and efficiently. This is essential for maintaining optimal temperatures during prolonged use, making it ideal for high-performance builds where heat management is vital to longevity and performance. -
Question:
Where can I buy the Seasonic Vertex PX-1200 in Isle of Man?
Answer: You can buy the Seasonic Vertex PX-1200 from Ubuy in Isle of Man. Ubuy provides a seamless shopping experience with a wide selection of electronics, ensuring you can easily purchase this premium power supply for your system requirements.
Seasonic Internal Power Supplies VERTEX GX-1200 Editorial Review
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Top selling Seasonic GX-1200 in Isle of Man
Last Updated on July 22, 2026
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Features & Benefits
- 1000W power supply with 80 PLUS® Gold certification for high efficiency.
- Fully modular design for optimal cable management and ease of installation.
- Compatible with ATX 3.0 and PCIe 5.0 standards, including a 12VHPWR cable.
- Utilizes a 135mm Fluid Dynamic Bearing fan for quiet operation.
- Features Seasonic Hybrid Silent Fan Control for enhanced cooling versatility.
- Backed by a robust 10-year warranty for peace of mind.
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