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1.5 TB currently in my Mac Pro, which is two 750 GB Seagate Barracudas forming a JBOD.

1 TB external for Time Machine backups.
 
I've got 1.8TB Internal and 2TB external. I keep buying more space, but it never seems to be enough...
 
1.75tb total

2x250 - mirrored raid - Boot
1x500 - Storage
1x500 - Windows/Time Machine
1x250 - external - Protools Sessions

I plan on mirroring the 2 500s and putting a 5th drive in the optical bay, probably another 500.
 
Main box:
74GB 15K SCSI
36GB 15K SCSI
2x 250GB SATA

2nd box:
2x 36GB 15K SCSI
80GB SATA
250GB SATA

Notebook:
80GB PATA

Server:
73GB 10K SCSI
18GB 10K SCSI
4x 500GB SATA

G4 Mac
73GB 10K SCSI
40GB IDE
 
My Macbook Pro has 320GB intenal and 120GB external for Time Machine and my PC has 1 x 320GB and 1 x 500GB for data
 
at present:
1.250gb internal boot + apps
2.750gb internal video + audio
3.750gb internal photographic work
4.750gb internal documents/teaching assignments + general crap
5.500gb external for TM (soon to be 1tb for boot + photographic projects)

plus another 500gb external as a spare 😱

so i guess thats 3.5tb or 3500gb near as 😉
 
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