I would recommend the EVGA SuperNOVA 750 G5 power supply. It provides 750W of power, which is slightly higher than the 700W requirement, giving you some extra headroom for future upgrades. It is 80 Plus Gold certified for high efficiency and comes with a fully modular design for easy cable management. Additionally, EVGA is known for their reliable power supplies and excellent customer support. **

The Thermaltake TR2 S 700W power supply is considered to be a budget-friendly option that provides decent performance for its price. It offers stable power delivery and efficiency, making it suitable for mid-range gaming or office setups. However, it may not be the best choice for high-end gaming rigs or systems with demanding power requirements. Overall, it can be a good option for those looking for a reliable power supply without breaking the bank. **

Yes, a 700W power supply is sufficient for the RTX 3070. The recommended power supply for the RTX 3070 is 650W, so a 700W power supply would provide enough power for the graphics card to operate effectively. It's important to ensure that the power supply has the necessary connectors and is from a reputable manufacturer to ensure stable and reliable power delivery to the RTX 3070. **

The Thermaltake Smart RGB 700W power supply is generally considered a good option for mid-range gaming PCs or systems that require moderate power. It offers a decent power output of 700W, RGB lighting for customization, and is 80 Plus certified for efficiency. However, it may not be the best choice for high-end gaming rigs or systems with demanding power requirements. Overall, it is a reliable and affordable option for those looking for a power supply with RGB lighting. **

Yes, a 700W power supply should be sufficient for an RTX 3080. NVIDIA recommends a minimum power supply of 750W for the RTX 3080, but a 700W power supply should still be able to handle the GPU's power requirements, especially if it is a high-quality unit from a reputable brand. It's important to ensure that the power supply has the necessary connectors and meets the power efficiency requirements for the RTX 3080 to function optimally. **

Yes, there are several good and quiet 700W power supplies available for under 90 euros. Brands like Corsair, EVGA, and Seasonic offer reliable and efficient power supplies in this wattage range at affordable prices. Look for power supplies with features like a quiet fan, high efficiency ratings, and good build quality to ensure a reliable and quiet operation. Additionally, reading customer reviews and professional recommendations can help you find the best option for your specific needs. **

Yes, you can run a GTX 1080 with a bequiet Straight Power E8 700W power supply. The GTX 1080 has a recommended power supply of 500W, so the 700W power supply should provide enough power for the graphics card. However, it's important to make sure that the power supply has the necessary connectors and enough available power on the 12V rail to support the GTX 1080. It's always a good idea to check the manufacturer's specifications and recommendations for compatibility. **

The better heating system depends on the specific needs of the space being heated. A 2000W convector heater will provide more immediate and intense heat, making it suitable for larger rooms or spaces that need to be heated quickly. On the other hand, a 700W oil heater will provide a more gentle and consistent heat, making it suitable for smaller rooms or for maintaining a steady temperature over a longer period of time. Ultimately, the choice between the two will depend on the size of the space, the desired heating speed, and personal preferences. **