Specifications

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
14
DRIVES AND REMOVABLE STORAGE
MT DT SFF USFF
Bays:
5.25-inch Optical Bay Supported (External) 2 1 1 1
Optical Drives Supported (maximum) 2 1 1 (slim-line) 1 (slim-line)
Hard Drive Bay Supported (Internal) 2 1 1 1
Hard Drives Supported 3.5”/2.5” (maximum) 2/2 1/2 1/2 0/1
Interface:
SATA 2.0 2 1 1 0
SATA 3.0 2 2 2 2
3.5” Hard Drives:
1TB
1
SATA 7200 RPM HDD X X X
500GB
1
SATA 7200 RPM HDD X X X
320GB
1
SATA 7200 RPM HDD X X X
250GB
1
SATA 7200 RPM HDD X X X
2.5” Hard Drives: (Hybrid drive includes 4GB NAND Flash for greater performance)
128GB
1
SATA Solid State Drive X X X X
500GB
1
SATA 7200 RPM Hybrid HDD X X X X
320GB
1
SATA 7200 RPM Opal SED HDD X X X X
500GB
1
SATA 7200 RPM HDD X X X X
250GB
1
SATA 7200 RPM HDD X X X X
RAID 1 Data Protection: (includes two matching capacity/speed hard drives)
1TB
1
SATA 7200 RPM HDD (3.5”) X
500GB
1
SATA 7200 RPM HDD (3.5”) X
320GB
1
SATA 7200 RPM HDD (3.5”) X
250GB
1
SATA 7200 RPM HDD (3.5”) X
500GB
1
SATA 7200 RPM Hybrid HDD (2.5”) X X X
500GB
1
SATA 7200 RPM HDD (2.5”) X X X
250GB
1
SATA 7200 RPM HDD (2.5”) X X X