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