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IBM eServer p5 520 Express
64-bit POWER5
Clock rates (Min/Max)
System memory (Std/Max)
512MB / 32GB
Internal storage (Std/Max)
73.4GB / 8.2TB
Performance (rPerf range)
3.25 to 9.13

As a member of the IBM eServer® p5 Express family with proven IBM POWER5™ technology, the p5-520 Express server sets a new standard for value in an entry UNIX® system. It offers on demand computing without compromising availability, flexibility or security—at the value price of an entry-level system. Its technological and operational features and extremely affordable price make the p5-520 Express server an exceptional choice for smaller companies.

Common features
· Rack-mount or deskside packaging
· 2-way SMP design
· 64-bit POWER5 technology
· Mainframe-proven RAS including dynamic firmware updates
· Dynamic LPAR support
· IBM Virtualization Engine support (optional)
· Micro-Partitioning
· Shared processor pool
· Virtual I/O
· Virtual LAN
· Up to 4 optional I/O drawers
· HACMP™ support for near continuous operation
· Supported by AIX 5L™ and Linux® distributions from Red Hat, Inc. and SUSE LINUX

Hardware summary
· One- or two-way 64-bit 1.5GHz POWER5 processors
· 1.9MB L2 and 36MB L3 cache (L3 on two-way systems)
· 512MB to 32GB ECC DDR1 SDRAM
· 8.2TB internal storage (with optional I/O drawers)
· Four standard disk bays plus four optional (36.4/73.4/146.8GB 10K rpm or 36.4GB/73.4GB 15K rpm disks)
· Two slimline and one standard media bays
· Six hot-plug 3.3v PCI-X adapter slots (2 - 32-bit/66MHz; 4 - 64-bit/133MHz)
· Dual-ported integrated internal Ultra320 SCSI controllers (RAID optional); two Ethernet 10/100/1000 controllers
· Two limited purpose serial, two USB, two HMC ports
· Up to four optional 7311-D20 I/O drawers, each providing seven 3.3v 64-bit PCI-X slots and up to 12 disk bays (36.4/73.4/146.8GB 10K rpm or 36.4/73.4GB 15K rpm disks)
· 2 Gigabit Fibre Channel; 10 Gigabit Ethernet

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