use a basic psu calculator, you should be fine, a normal system with a 3070 ti should be around 500-550W, so 650 is enough https://outervision /power-supply-calculator
The peak power consumption of Nvidia''s GeForce RTX 3070 Ti GPU is 290 W. You can estimate your power requirements by using the following chart.
The RTX 3070 Ti requires a stronger PSU because Nvidia slightly increased its number of CUDA cores and clock speeds. But more importantly, they upgraded its VRAM from GDDR6 to the better performing GDDR6X .
According to Nvidia''s website, the recommended minimum requirement for installing a 3070 / 3070 TI GPU is 550W. However, the requirement increases if you plan to overclock, if you also have a powerful CPU, if you are running double monitors and so on, as such we always like to have a bit of lee-way and go for 650W PSU.
Nvidia recommends a 750 watt PSU with a 3070 Ti. I used to own a TX650m myself, and I used it with my overclocked RTX 2080, which drew as much as 265 watts (only 25 watts less than a 3070
Selecting the right PSU for the RTX 3070 and 3070 Ti transcends merely meeting power requirements. It''s about ensuring consistent, reliable power delivery and system stability. When considering a PSU, it''s essential to scrutinize its efficiency rating.
According to NVIDIA''s recommendation, the RTX 3070 Ti demands 290W for its own, so at least a 750W PSU is recommended. By choosing a high quality PSU, you can enjoy a stable system and long service life. We have tested and reviewed latest PSUs, and below are top recommended ones for NVIDIA GeForce RTX 3070 Ti:
The NVIDIA RTX 3070 kicks things up to a recommended 650W PSU, so your PC might be in need of an upgrade. We''ve put together a list of great power supply units to help you get the
The 3070 Ti draws 290W of power from your PSU, with NVIDIA recommending a 750W PSU in order to best match with similar-level PC components. However, we recommend at least an 850W PSU for
BEST FULLY MODULAR SFX PSU FOR RTX 3070: CORSAIR SF850L. With small form factor PCs continuing to grow in popularity, it''s worth taking a look at a fully modular SFX PSU for the RTX 3070, too. The CORSAIR SF850L is