Table 10 Shelf configuration supported per Data Domain system (continued)
DD system
Memory
required
(GB)
SAS
cards/
port per
card
ES30
support
(TB)
ES20
support
(TB)
1
Max
shelves
per set
Max
number
of sets
Max external
capacity
available
(TB)
2
Max RAW
external
capacity
(TB)
8
DD690
24
2x2
15, 30
8, 16
3
2
36
48
DD860
36
2x4
15, 30
16, 32
2
4
48
64
DD860
72
2x4
15, 30
16, 32
3
4
144
192
DD860 ER
4
72
3x4
15, 30
16, 32
4
6
288
384
DD880
48
2x2
15, 30
8, 16, 32
3
2
72
96
DD880 (3 SAS
cards)
64
3x2
15, 30
8, 16, 32
4
3
144
192
DD890
96
2x4
15, 30
16, 32
3 with 5.0;
4 with 5.1
4
288
384
DD990
128
3x4
15, 30,
45
5
16, 32
5
6
6
288
384
DD990
256
3x4
15, 30,
45
5
16, 32
5
6
6
576
768
DD990 ER
4
256
4x4
15, 30,
45
5
16, 32
7
8
1152
1536
DD990 w/ DD
Cloud Tier
13
256
4x4
15, 30,
45
5
16, 32
5
6
6
576 (max),
additional 144
SAS dedicated
to DD Cloud
Tier
768 (max),
additional 180
SAS
dedicated to
DD Cloud Tier
DD2500
3
32
—
—
—
—
—
—
—
DD2500
3
64
1x4
SAS 30,
45
No
Support
4
1
108
135
DD4200
7
128
2x4
SAS 30,
45; SATA
15, 30,
45
5
16, 32
5
6
4
192
256
DD4200 ER
4,7
128
4x4
SAS 30,
45; SATA
15, 30,
45
5
16, 32
7
8
384
512
DD4200 w/ DD
Cloud Tier
128
3x4
SAS 30,
45; SATA
15, 30,
45
5
16, 32
7
8
192 (max),
additional 72
SAS dedicated
to DD Cloud
Tier
256 (max),
additional 90
SAS
dedicated to
DD Cloud Tier
DD4500
192
2x4
SAS 30,
45, 60;
16, 32
5
6
4
288
384
Installing the Shelves
Shelf cabling rules and guidelines
23
