Dell Precision NT499 User Manual page 186

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*an additional fan may be located here in computers with configurations with
three SAS hard drives
1 upper 5.25-inch drive bay
(supports an optical drive)
3* additional fan (not shown)
5 primary hard drive bay
7 upper 3.5-inch drive bay
(supports a floppy drive, a Media
Card Reader, or an additional
SATA or SAS hard drive)
186
Adding and Replacing Parts
2 lower 5.25-inch drive bay
(supports an optical drive or an
additional SATA hard drive)
4 secondary hard drive bay
6 lower 3.5-inch drive bay
(supports a floppy drive or a
Media Card Reader)
3*
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