Dell OptiPlex K080D Setup And Quick Reference Manual page 32

Expansion Bus (continued)
PCIE_WLS
connector
connector size
use
Drives
Hard Disk Drives
Available device
configurations
Floppy drive
32
Specifications
one x1(available in all platforms)
36 pins
for optional wireless and WLAN cards
Mini Tower: two 3.5-inch hard disk drives (HDDs) or
two 2.5-inch HDDs
Desktop: two 3.5-inch HDDs or two 2.5-inch HDDs
Small Form Factor: one 3.5-inch HDD or two 2.5-inch
HDDs
Mini Tower: two external 5.25-inch bays, one external
3.5-inch bay, two internal 3.5-inch bays
Desktop: one external 5.25-inch bay, one external
3.5-inch bay, one internal 3.5-inch bay
NOTE:
The desktop platform can accommodate two
3.5-inch HDDs, provided no floppy drive is used.
NOTE:
The desktop platform will use the external
3.5-inch bay as an internal 3.5-inch HDD for RAID
configurations.
Small Form Factor: one external 5.25-inch slimline
bay, one external 3.5-inch slimline bay, one internal
3.5-inch bay
NOTE:
The number of hard disk drives supported is
determined by the number of internal 3.5-inch bays.
NOTE:
The optical drives (CD, DVD) is determined by
the number of external 5.25-inch bays.
Mini Tower and Desktop: one 34-pin connector
Small Form Factor: one 38-pin low-profile connector