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Larger hard drive = Hotter???

kent

kent

2[H]4U
Joined
Apr 8, 2001
Messages
2,603
I just replaced an overfilled 80GB hard drive today with a brand new unit from Seagate, 300GB.

My previous HD ran at about 30-32C (as does HD0 - my 120GB system HD)

My new HD runs at 37C

Nothing is changed as far as my cooling, I put the new HD in the same slot I used for the previous HD.

Is 37C too hot for a hard drive? That's hotter than my CPU or system. Ambient in my room is probably 68F
 
my external was about 170 F when i took it apart the other day.
i cut away some of the slots near the fan, and im putting mesh in the front later.
 
More platters + higher rotational speed = more heat along with the design. Capacity wouldnt affect it directly.

They have 80gb platters now, and to make a 80gb drive, they'd use 1 platter, but with older drives, lets say they had 10gb platters, having to make 8 platters. Now obviously no Hd has 8 platters, but thats an example.
 
System drive: 120GB Seagate Baracuda VI (whatever is newest..)

Old backup drive: 80GB WD

New backup drive: 300GB Seagate VI (whatever is newest.. infact the firmware revision of this drive is two letters newer, i.e if the primary was 001E this one is 001G)


All drives are 7200RPM and 8MB cache except the new 300GB, it's 16MB
 
more platters -> more rotational mass -> more power required to keep it rotating -> more energy consumed by the motor -> more heat dissipation -> hotter drive
 
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