Thermalright KG-1200 1200W Gold Fully Modular ATX 3.1 PSU
The Thermalright KG-1200 1200W Gold Fully Modular ATX 3.1 PSU is a 1200 W, 80 PLUS Gold power supply with fully modular cables, a 120 mm fan and a compact L150 mm x W140 mm x H86 mm body. It accepts 100-240Vac input and includes OPP, OVP, OTP, OCP, SCP and UVP protections.
It suits high-power gaming and workstation builds where you want plenty of headroom, efficient operation and tidy cable management. Fully modular cabling means you only connect the cables your system uses. Browse more power supplies if you want to compare wattages.
Highlights
- 1200 W output with 80 PLUS Gold efficiency
- Fully modular cables
- ATX 3.1 power supply
- 120 mm cooling fan
- Dimensions: L150 mm x W140 mm x H86 mm ±5 mm
- Protections: OPP/OVP/OTP/OCP/SCP/UVP
Best for
- High-end gaming PCs with power-hungry graphics cards
- Workstation builds that need plenty of power headroom
- Builders who want clean cable management with fully modular cables
- Upgrading an older PSU to an ATX 3.1 unit
Specifications
| Dimension | L150 mm x W140 mm x H86 mm±5 mm |
|---|---|
| Wattage | 1200W |
| Efficiency | 80 PLUS GOLD |
| Modular | Full-Modular |
| Input Voltage | 100-240Vac |
| Input Current | 15A |
| Input Frequency | 50-60Hz |
| Fan Size | 120 mm |
| Operating Temperature | 0-40°C |
| Mtbf | >100K Hours |
| Protections | OPP/OVP/OTP/OCP/SCP/UVP |
Compatibility and related parts
Before buying, add up your system's power draw, especially the processor and any high-end graphics cards, and check that your case has room for an ATX power supply 150 mm long plus space for cables. You can compare options in our PC cases range, or use the PC builder, which checks compatibility for you. Parts bought as part of a PC build get free assembly and testing, and we offer cash on delivery across Lebanon. See more from Thermalright products.
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Warranty
Warranty
- All products come with a 1-year official local warranty, unless mentioned otherwise.
- Accessories (such as cables, covers, power banks, etc.) are not covered under warranty.
- Please check your item at the time of delivery—you may refuse the order if you notice any damage.
- The warranty provided is an official local manufacturer warranty.
- Apple products include both local and international warranty, as per Apple’s policy.
Shipping & Returns
Shipping & Returns
• Shipping: Orders are processed within 0–2 business days. Standard delivery takes 0–5 business days depending on your location.
• Returns: You may return or exchange products within 10 days of receiving your order. Items must be in original condition with proof of purchase.
If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
No advance payments required—even for preorders. Pay on delivery or cancel anytime, hassle-free.
FAQs
Is the Thermalright KG-1200 fully modular?
Is the Thermalright KG-1200 fully modular?
Will this PSU fit in my case?
Will this PSU fit in my case?
What protections does the KG-1200 include?
What protections does the KG-1200 include?
What input voltage does it support?
What input voltage does it support?
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