Thermalright TR-SG850 850W Gold Fully modular PSU
The Thermalright TR-SG850 850W Gold Fully modular PSU is an 850W, 80 PLUS Gold, fully modular power supply with a 120 mm fan and a 100-240Vac input. It measures L150 mm x W140 mm x H86 mm and includes OPP/OVP/OTP/OCP/SCP/UVP protections.
It suits a mid-range to high-end gaming or workstation build that needs 850W of headroom and efficient power delivery. The fully modular design lets you connect only the cables you use, which keeps the case tidy and airflow clear. Browse more power supplies if you want to compare options.
Highlights
- 850W rated wattage
- 80 PLUS Gold efficiency
- Fully modular cables
- 120 mm cooling fan
- OPP/OVP/OTP/OCP/SCP/UVP protections
- MTBF of more than 100K hours
Best for
- Gaming PCs with a powerful graphics card that need 850W of capacity
- Clean builds where you want to connect only the cables you need
- Upgrading an older or lower-wattage power supply
- Workstations that run for long hours and benefit from Gold efficiency
Specifications
| Dimension | L150 mm x W140 mm x H86 mm±1 mm |
|---|---|
| Wattage | 850W |
| Efficiency | 80 PLUS GOLD |
| Modular | Full-Modular |
| Input Voltage | 100-240Vac |
| Input Current | 11-5.5A |
| Input Frequency | 47-63Hz |
| 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, check that your case has room for a power supply measuring L150 mm x W140 mm x H86 mm, and add up the power draw of your CPU and graphics card to confirm 850W gives enough headroom. Our PC builder checks compatibility for you, and parts bought as a PC build get free assembly and testing. Pair it with one of our graphics cards and PC cases, or see other 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 TR-SG850 fully modular?
Is the Thermalright TR-SG850 fully modular?
Will it fit in my case?
Will it fit in my case?
What protections does this PSU have?
What protections does this PSU have?
What input voltage does it support?
What input voltage does it support?
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