10-09-2014 02:17 PM
I need to get some more air flowing through my ThinkCentre A70 (7099).
There's a place for a fan in the rear of the case below the PSU. I've measured it and I think it's either a 92MM fan or a 100MM fan but I don't want to buy the wrong size fan.
I can't find any information about it on any document from Lenovo. There is no information what so ever about a rear case fan for the ThinkCentre A70 anywhere.
Which size is it?
10-09-2014 04:36 PM
10-09-2014 04:46 PM
10-09-2014 04:59 PM - edited 10-09-2014 05:47 PM
You might want to use a 3-pin fan with speed adapters, so you can control the amount of air flow (rather than rely on what the BIOS thinks is correct.) I have the precurser to one of these installed with the medium speed adapter:
"3 speed settings for full flexibility
Providing 1600, 1250 and 1050 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-A9 FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness."
10-10-2014 03:44 PM
You might want to use a 3-pin fan with speed adapters, so you can control the amount of air flow (rather than rely on what the BIOS thinks is correct.)
That is a valid point. But then again, why wouldn't the BIOS be able to control the air flow inside the case? I mean, the extra case fan socket is 4 pin by a choise. The people that designed the MOBO hopefully also designed the BIOS features for it.
But I think I will go with a standard 3 pin fan anyway, so I can control the speed and airflow (and noise) of it.
10-10-2014 07:05 PM