Here is the table regarding EVA models:

Model IOSCAN output
EVA3000 HSV100(A/P) or HSV101(A/A)
EVA5000 HSV110(A/P) or HSV111(A/A)
EVA4xxx/6xxx HSV200
EVA8xxx HSV210
EVA4400 HSV300

Note:
A/P – Active/Passive, for VCS 3.xxx
A/A – Active/Active, for VCS 4.xxx
VCS – Virtual Controller Software (i.e., EVA firmware)
HSV – Hierarchical Storage Virtualization (controller)

If you have HP-UX OS, use diskinfo -v to get the f/w revision.