My EX2 was noisy so I opened the lid

[someluke1]

my NAS was noisy, fan constantly working even in idle, then I opened the lid and boom after few minutes 0RPM!

[tijuco]

It pulls air from behind the case, make sure there’s space to flow cold air in

[someluke1]

are you sure it pulls air from behind? how with the fan mounted like that in the front?

[tijuco]

Sorry, you’re right. The fan is in the front pushing the air to the back. It’s a weird design

[mywd2]

is it ok remove fan?
do they offer fanless design?
is pr4100 louder than ex2 ultra?