I was wondering if the pin layout between my old power supply (210-PQ-0750-X1) & my new power supply (220-T2-0850-X1) are similar enough so I can avoid having to completely re-wire my system.

Thanks in advance for any responses.

bob16314
Cables for 850 watt and under BQ/B2/B3/B5/G2/G3/G5/G+/GA/GM/P2/PQ/T2 units are compatible/interchangeable..You're good to go.
 
See  in the EVGA FAQs.
 
You can always to verify.

Thanks for your response Bob, I really appreciate it. I was actually looking at that page, but I didn't understand what I was looking at. What is the "part numbers" drop-down box that corresponds to each wattage PSU? I guess that's what was throwing me off.

Edit: Ok I think it's a bit clearer for me after reading the top of the FAQ, but for example, I'm looking at a cable set that EVGA sells that says it's compatible with a series of models, but the part number is 101-CK-0850-B9. When I'm on the FAQ all the part numbers start with 100 on the drop-down, and 101 is not listed. Is there something I'm missing?