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Power hardware comparisons

A comparison guide to the Power™ servers specifications and highlights for AIX®, IBM i and Linux® operating system solutions.


  BladeCenter® JS12 Express BladeCenter JS22 Express Power 520 Express Power 550 Express Power 570 Power 575 Power 595
  BladeCenter JS12 Express BladeCenter JS22 Express Power 520 Express Power 550 Express Power 570 Power 575 Power 595
Microprocessors IBM POWER6™ POWER6 POWER6 POWER6 POWER6 POWER6 POWER6
# of processors (GHz) 2
(3.8)		 4
(4.0)		 1, 2, 4
(4.2)		 2, 4, 6, 8
(3.5, 4.2)		 2, 4, 8, 12, 16
(3.5, 4.2, 4.7)		 32
(4.7)		 8 to 64
(4.2, 5.0)
AIX V5.3 rPerf 14.71 30.26 8.39 – 31.48 15.85 – 68.20 15.85 – 134.35 466900 72.58 – 553.01
i 6.1 CPW 7100 13100 4300 – 8300 18000 8150 – 76900 – Not Available
System package Chassis mount Chassis mount 4U, 19" rack/deskside 4U, 19" rack/deskside 4U, 19" rack 2U, 24" system frame 42U, 24" system frame
Min/max. memory (GB) 2 – 64 4 – 32 1 – 64 1 – 256 2 – 768 32 – 256 16 – 4096
Maximum internal disk bays/storage (TB) 2/0.29 1/0.14 6/1.8 12/1.8 24/7.2 2/0.29 16/4.8 TB
Maximum PCI slots 1 PCIe 8x;
1 PCI-X		 1 PCIe 8x;
1 PCI-X		 3 PCIe 8x;
2 PCI-X		 3 PCIe 8x;
2 PCI-X		 16 PCIe 8x;
8 PCI-X		 4 PCIe 8x 20 PCI-X
Max. opt. I/O drawers – – 8 8 32 1 29 (24")
Max. disk bays/storage with I/O drawers (TB) – – 102/30.6
SAS/SCSI		 102/30.6
SAS/SCSI		 264/79.2
SAS/SCSI		 18/5.0
SAS/SCSI		 480/144.0
SCSI
Maximum PCI slots with I/O drawers – – 2 PCIe 8x;
58 PCI–X		 1 PCIe 8x;
58 PCI-X		 12 PCIe 8x;
200 PCI-X		 4 PCIe 8x;
20 PCI-X		 600 PCI-X
PowerVM™ Express Edition – – Optional Optional – – –
PowerVM Standard Edition Standard Standard Optional Optional Optional Optional Optional
PowerVM Enterprise Edition Optional Optional Optional Optional Optional Optional Optional
Maximum micro-partitions 20 40 40 80 160 254 254
RAS capabilities (all systems unless otherwise specified)
  • Dynamic firmware updates (except JS12, JS22)
  • Service processor with fault monitoring
  • Redundant service processor with automatic failover (570, 595)
  • Redundant system clocks (570, 595)
  • First Failure Data Capture
  • IBM Chipkill™ ECC bit-steering memory
  • ECC L2 and L3 cache
  • Dynamic deallocation of processors (2-core and above)
    		•
  • Dynamic deallocation of PCI-X slots with extended error handling
  • Hot-plug PCI-X/PCIe slots–servers and I/O drawers (except JS12, JS22)
  • Blind-swap PCI-X slots (570, 575)
  • Blind-swap PCI-X slots–I/O drawers
  • Hot-swappable disk bays (servers and I/O drawers)
  • Hot-swappable disk bays (servers and I/O drawers) (except JS12, JS22)
    		•
  • Hot-add I/O drawers (requires HMC) (except JS12, JS22)
  • Redundant hot-plug cooling (except 575)
  • Processor Instruction Retry
  • Hot-node Add, Cold-node Repair (570, SOD 595)
  • Live Partition Mobility
  • Memory sparing (570, 595)
  • Call Home
    		•
    Redundant hot-plug power Optional at chassis level Optional Standard Standard in system frame
    CoD options - - Yes on M15, M25 models Yes on M50 model Yes Yes Yes
    AIX support V5.3, V6.1 V5.3, V6.1 V5.3, V6.1 V5.3, V6.1 V5.2, V5.3, V6.1 V5.3 V5.3, V6.1
    IBM i support 6.1 6.1 5.4, 6.1 5.4, 6.1 5.4, 6.1 – 5.4, 6.1
    Linux support RHEL4.6, RHEL5.1, SLES10SP2 RHEL4.6, RHEL5.1, SLES10SP1 RHEL4.5, RHEL5.1, SLES10SP1 RHEL4.5, RHEL5.1, SLES10SP1 RHEL4.5, RHEL5.1, SLES10SP1 RHEL4.6, RHEL5.2, SLES10SP2 RHEL4.7, RHEL5.2, SLES10SP2
    Warranty 3-year 1-year