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Overview 21
Summary of features
Table 1. XP128 and XP1024 Features
Feature XP128 XP1024
with XP1024 &
XP512 DKU Support
XP1024
XP1024 DKU Support
Power Single-phase or
3-phase
Single-phase or
3-phase
DKC/DKU Single cabinet unit
only (no expansion)
One DKC with either:
1 or 2 XP1024 DKUs,
and
1 to 3 XP512 DKUs
One DKC cabinet with
1 to 4 XP1024 DKU
cabinets
Maximum hard disk
drives
128 768 1024
Maximum spare disk
drives
4 16 16
Maximum parity
groups/subsystem
31 191 255
Maximum Disk Drive
Capacity
36 TB 121 TB 149 TB
Max. cache 64 GB 128 GB 128 GB
(continued)