EMC EMC2 DD670 - Page 6

6 DD670, DD860, and DD890 Hardware Overview
Note: For information about the Data Domain ES20 expansion shelf, see the separate
document, Data Domain Expansion Shelf Hardware Guide.
DD860 Four x 1 TB
SATA HDD
No User Data
4 TB (reserved
for system use)
Up to 192 TB
(external)
130 TiB (external) 142.8 TB
(external)
Up to 142.8 TB in any
combination of up to six
ES20-8TB, ES20-16TB,
or ES20-32TB shelves
DD860
Archiver
option
Four x 1 TB
SATA HDD
No User Data
4 TB internal
(reserved for
system use)
Up to 768 TB
(external)
520 TiB 571.2 TB Up to 571.2 TB in any
combination of up to 24
ES20-16TB or ES20-
32TB shelves
DD890 Four x 1 TB
SATA HDD
No User Data
4 TB (reserved
for system use)
Up to 384 TB
(external)
260 TiB (external) 285.6 TB
(external)
Up to 285.6 TB in any
combination of up to
twelve ES20-8TB,
ES20-16TB, or ES20-
32TB shelves
Table 2: DD670, DD860, and DD890 System Capacities (Continued)
System Internal
Disks
Raw Storage
(Base 10)
Data Storage
Space (Base 2
Calculation)
Data Storage
Space (Base 10
Calculation)
External Storage