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IBM Power 550 Express

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Configuration options
Processor cores Two, four, six or eight1 64-bit 3.5 GHz or 4.2 GHz POWER6 with AltiVec™ SIMD and Hardware Decimal Floating-Point acceleration
Level 2 (L2) cache 8 MB per processor card
Level 3 (L3) cache 32 MB per processor card
RAM (memory) 3.5 GHz: 1 GB to 128 GB of DDR2 SDRAM
4.2 GHz: 1 GB to 256 GB of DDR2 SDRAM
Internal SAS disk bays Six 3.5" SAS (73.4 GB, 146.8 GB, 300 GB 15K rpm)
Internal disk storage Up to 1.8 TB; up to 30.6 TB with eight optional 7311-D20 I/O drawers
Media bays One slimline and one half-high
Adapter slots Two PCI-X (266 MHz DDR); Three PCI Express 8x

Standard I/O adapters
Integrated Virtual Ethernet Two Ethernet 10/100/1000 Mbps ports, or
Four Ethernet 10/100/1000 Mbps ports, (option) or
Two 10 Gigabit Ethernet ports (option)
Integrated disk 3G SAS controller (internal; RAID optional)
Other Ports Three USB, two HMC, two system ports, two SPCN

Expansion features (optional)
High-performance PCI adapters 4 Gigabit Fibre Channel; 10 Gigabit Ethernet
I/O expansion Up to eight I/O drawers (combination of 7311-D20 and/or 7314-G30)1
GX adapters RIO-2, 12x GX
GX slots Two (each shares space with and replaces one PCI Express 8x slot)

PowerVM technologies
POWER Hypervisor™ LPAR, Dynamic LPAR, Virtual LAN (Memory to memory inter-partition communication)
PowerVM Express Edition (optional) Up to three partitions on the server; PowerVM Lx86; virtualized disk and optical devices (VIOS); Shared Processor Pool; and Integrated Virtualization Manager (IVM)
PowerVM Standard Edition (optional) PowerVM Express Edition plus Micro-Partitioning™ with up to 10 micro-partitions per processor; Multiple Shared Processor Pools; Shared Dedicated Capacity
PowerVM Enterprise Edition2 (optional) PowerVM Standard Edition plus Live Partition Mobility

RAS features IBM Chipkill™ ECC, bit-steering memory and cache
Processor Instruction Retry
Alternate Processor Recovery
Service processor with fault monitoring
Hot-plug disk bays
Hot-plug PCI slots
Hot-plug and redundant power supplies and cooling fans
Dynamic Processor Deallocation
Extended error handling on PCI-X slots

Operating systems AIX V5.3 or later
IBM i 5.4 or later
SUSE Linux Enterprise Server 10 for POWER™ (SLES10 SP1) or later; Red Hat Enterprise Linux 4.5 for POWER (RHEL4.5) or later; RHEL5.1 or later

High availability IBM PowerHA™ family

Power requirements 100v to 127v or 200v to 240v AC, -48v DC

System dimensions Deskside: 21.3"H x 7.2-11.1"W x 30.6"D (540 mm x 183-283 mm x 778 mm); weight: 120.0 lb (54.4 kg)3
Rack drawer: 6.9"H (4U) x 17.3"W x 28.7"D (175 mm x 440 mm x 730 mm); weight: 120.0 lb (54.4 kg)3
7311-D20 I/O drawer: 7.0"H (4U) x 19.0"W x 24.0"D (178 mm x 482 mm x 610 mm); weight: 101.0 lb (45.9 kg)3
7314-G30 I/O drawer: 7.0"H (4U) x 17.5"W x 24.0"D (178 mm x 445 mm x 610 mm); weight 44.0 lb (20.0 kg)3

Warranty 9 hours per day, Monday through Friday (excluding holidays), next-business-day for one year at no additional cost; on-site for selected components; CRU (customer replaceable unit) for all other units (varies by country). Warranty service upgrades and maintenance are available.


1 Available configuration options are dependent on the number of processor cores, processor speed and other factors. The IBM i operating system is supported on 2- and 4-core configurations only. Contact IBM or your IBM Business Partner for specific configuration restrictions.

2 Not supported on IBM i 5.4, 6.1.

3 Weight will vary when disks, adapters and peripherals are added.

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