NH D14 almost same perfomance with H70 full speed(30+dba) based on web reviews
NH D14 user here, overclocked i7 2600K to 4.8GHZ
highest temperature after prime95 for half hour
core 1 51C
core 3 68C
lols
cant hear anything
if can get silverarrow then get silverarrow cus mid can put 38mm fan

wont dangerous imo the backplate is nice
if u worry just diy ur own holder lol... but remember i never heard V10 bend mobo before