IBM System p5 eServers

Utilize Power Architecture for superior UNIX and Linux® performance

IBM p5 ServersIBM recently renamed their newest pSeries servers the System p5 servers. Find out more about the legacy pSeries & RS/6000 systems.

The newest IBM System p5 servers are the newest of IBM’s POWER5 & POWER5+ processor-based systems. The newest POWER5 & POWER5+ 64-bit chips are designed to simplify IT infrastructure by allowing you to consolidate multiple AIX 5L and Linux workloads on a single system.


With all System p5 servers, there are various ways you can upgrade processing power, memory, disk capacity or I/O without procuring a new system.

In addition, many of the midrange and high-end p5 systems include Capacity on Demand (CoD) features to allow you to react quickly to changing business needs, adjusting workloads & performance dynamically, and in some cases, automatically.

Virtualization Engine™

The IBM System p5 comes with IBM’s Virtualization Engine standard, allowing you to utilize the server to consolidate multiple UNIX and Linux workloads on one system. In addition, Dynamic LPAR further enhances the virtualization capabilities of your p5 server, allowing you to allocate and re-allocate systems resources as needed. without rebooting.

Virtual LAN comes with the Virtualization Engine, and delivers a fast interconnect in between your partitions, speeding internal communications to memory speeds.

Advanced Virtualization Features

Standard on some servers, and available as an option on others, the Advanced POWER Virtualization offers features like Micro-Partitioning and Virtual I/O Server (VIOS). These features further maximize the utilization of your system resources.

Micro-Partitioning lets you define partitions as small as 1/10th of a processor, and changed in increments as small as 1/100th of a processor.

VIOS for the System p5 increases the amount of systems resources you can share between partitions, such as expensive disk drives. The VIOS includes the Integrated Virtualization Manager, a browser-based applications that greatly eases the amount of time and effort required to create and manage virtual devices & partitions.

Reliability Availability Serviceability (RAS)

The System p5 features a variety of RAS features designed for always-on operation, helping businesses create resilient computing environments.

All p5 servers feature an integrated service processor. In addition, memory is protected with Chipkill™ and ECC (error checking & correction) for memory, as well as L2 & L3, identifies and correct multi-bit errors before they cause crashes.

Models CPU Speed N-Way Max. Memory Max. Internal Disk Max. Optional I/O Drawers Add to request?
p595 1.65GHz, 1.9GHz, 2.1GHz or 2.3GHz 16-64 8GB - 2TB 2.3TB 11 Add
p590 1.65GHz or 2.1GHz 8-32 8GB - 2TB 2.3TB 7 Add
p575 1.9GHz or 2.2GHz 8 or 16 1GB - 256GB 600GB 1 Add
p570 1.9GHz or 2.2GHz 2, 4, 8, 12, or 16 1GB - 256GB 7.2TB 20 Add
p560Q Express 1.5GHz 4, 8, or 16 2GB - 128GB 3.6TB 0 Add
p550Q Express 1.5GHz 4 or 8 1GB - 64GB 2.4 TB 8 Add
p550 Express 1.5GHz or 1.65GHz 2 or 4 1GB - 64GB 2.4 TB 8 Add
p520Q Express 1.65GHz or 1.5GHz 4 1GB - 32GB 2.4 TB 4 Add
p520 Express 2.1GHz, 1.9GHz, or 1.5GHz 1 or 2 1GB - 32GB 2.4 TB 4 Add
p510Q Express 1.65GHz or 1.5GHz 4 1GB - 32GB 1.2 TB N/A Add
p510 Express 2.1GHz, 1.9GHz, or 1.5 GHz 1 or 2 1GB - 32GB 1.2 TB N/A Add
p505Q Express 1.65GHz 4 1GB - 32GB 600GB N/A Add
p505 Express 1.5GHz or 1.65GHz 1 or 2 1GB - 32GB 600GB N/A Add
p5 185 2.5GHz POWERPC 970 1 or 2 1GB - 32GB 1.2TB N/A Add

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