You will never find a globe that will last as long as these, we have been test running these for over 5 years and they are still working.
Vivid -Glo MR16 HI-92Ra 6W COB LED
Vivid Glo 6W COB LED is the latest in innovative LED Technology.
Warm White
HIGH CRI of 92 Ra!
Now 530LM
25,000 Hours lifespan. 
Perfect retrofit product, comparable to Halogen brightness and colour rendering. Hardly any LED can offer this!
Compatible with Iron Core transformers, works also with some electronic transformers.
Please test before purchasing.