EMC VNX Series Hardware Information Manual page 5

Overview
2.5- or 3.5-inch disk 4U enclosure (or DAE7S). Expansion of up to fifteen 3U DAEs (a
maximum of 240 3.5-inch disk drives), up to nine 2U DAEs (a maximum of 250 2.5-inch
disk drives), or up to a combination of three 4U DAEs and three 3U DAEs (a maximum of
240 disk drives) is possible.
Note: The 4U DAEs are only available in a factory installable Dense rack configuration. For
more information, see the "4U, 60 (2.5- or 3.5-inch) DAE" section on page 88.
As a mid-range/mid tier storage platform offering Block, File, and Unified services, the
VNX5500 platform (Figure 1) is one of the five models that make up the VNX series. For a
quick look at the VNX5500 platform hardware features, see Table 1, "VNX5500 hardware
feature quick reference," on page 8.
VNX-000575
Figure 1 Example of a Block and File (Unified) VNX5500 platform with front bezel
Note: A VNX5500 Block platform only includes an SPS and a DPE.
VNX5500 Hardware Information Guide 5