The #4327 provides for additional disk storage with 70GB capacity (15000 RPM).Restrictions: Supported only in Model 520, 570, 800, 810, 825, 870, and 890 system unit or base I/O towers, the #5094 PCI-X Expansion Tower, the #0595/#5095 PCI-X Expansion Tower, and the #5294 1.8 M I/O Tower.

• Not supported in Model 820, 830, or 840 system units, or any other expansion towers.
• The 4327 is also supported on Linux and AIX 5L V5.2 (or higher) paritions.
• Minimum operating system level: OS/400 V5R2
• The #4327 is a Customer Install Feature.
• 90 Day Warranty