IBM System i 520

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System i 520 at a glance

Value and Express Editions

Processor	1-way POWER5+	1-way POWER5+
Edition	Value	Value
Processor CPW (with CoD)	600 (3100)	1200 (3800)
5250 OLTP CPW	30	60
L3 cache	0	36MB
Memory (max)	32GB	32GB
Disk capacity (max)	39TB	39TB
Disk drives (max)	278	278
i5/OS	Included	Included
Software tier	P05	P10
Windows Server¹, Linux, AIX 5L capable	Yes	Yes
Tower or rack design	Both	Both
Integrated xSeries Servers (max)	18	18
Integrated xSeries Adapters (max)	8	8
Micro-partitions (max LPARS - i5/OS, AIX 5L, Linux)	2/10²	3/10²
High speed link (RIO/HSL) Loops (max)	1	1
I/O towers/drawers (max)³	6	6
PCI card slots (max)	90	90
LAN ports (max)	36	36

¹ Via an Integrated xSeries Adapter or Integrated xSeries Server
² 10 with acceleration.
³ The installed combination of I/O towers and Integrated xSeries Adapters cannot exceed nine.

Standard and Enterprise Editions

Processor	1-way POWER5+	1-way POWER5+	1-way POWER5+	1/2-way POWER5+
Edition	Enterprise, HA, Solution	Enterprise, HA	Standard	Standard, Enterprise, HA
Processor CPW	1200	2800	3800	3800/7100
5250 OLTP CPW	1200	2800	0	0 up to 7100
L3 Cache	36MB	36MB	36MB	36MB
Memory (max)	32GB	32GB	32GB	32GB
Disk capacity (max)	39TB	39TB	39TB	39TB
Disk drives (max)	278	278	278	278
i5/OS	Included	Included	Included	Included
Software tier	P10	P10	P10	P20
Windows Server¹, Linux, AIX 5L capable	Yes	Yes	Yes	Yes
Tower or rack design	Both	Both	Both	Both
Integrated xSeries Servers max)	18	18	18	18
Integrated xSeries Adapters (max)	8	8	8	8
Micro-partitions (max LPARS - i5/OS, AIX 5L, Linux)	4	10	10	20
High speed link (RIO/HSL) Loops (max)	1	1	1	1
I/O towers/drawers (max)²	6	6	6	6
PCI card slots (max)	90	90	90	90
LAN ports (max)	36	36	36	36

¹ Via an Integrated xSeries Adapter or Integrated xSeries Server
² The installed combination of I/O towers and Integrated xSeries Adapters cannot exceed nine.