Used and Refurbished IBM pSeries p5-550Q Servers
Each refurbished p5-550Q server goes through World Data Products' rigorous Total Quality Process, comes with a 30-day warranty and qualifies for manufacturer's maintenance. World Data Products also has IBM pSeries repair on-site, so you can extend the lifecycle of your existing p5-550Q servers. Get the best value for your money at World Data Products when purchasing used IBM pSeries p5-550Q servers and upgrades.
![]() | IBM pSeries p5-550Q Features | ![]() |
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Configuration options |
Microprocessor: | p5-550 Express: Two or four 64-bit 1.65 or 1.9 GHz POWER5+ processors |
| p5-550Q Express: Four or eight 64-bit 1.5 GHz POWER5+ processors | ||
| Level 2 (L2) cache: | 1.9MB per processor pair | |
| Level 3 (L3) cache: | 36MB per processor pair | |
| RAM (memory): | 1GB to 64GB of 528 MHz DDR2 SDRAM | |
| Internal disk storage: | Up to 2.4TB (31.2TB with optional I/O drawers) | |
| Processor-to-memory bandwidth (peak): | 42.2GBps | |
| L2 to L3 cache bandwidth (peak): | p5-550 Express: 60.8 GBps | |
| p5-550Q Express: 96.0 GBps | ||
| RIO-2 I/O subsystem bandwidth (peak): | p5-550 Express; 10.1 GBps | |
| p5-550Q Express: 8.0 GBps | ||
| Internal SCSI disk bays: | Four standard, plus four optional (10K or 15K rpm disks) | |
| Media bays: | Two slimline and one half-high | |
| Adapter slots: | Five PCI-X (4â133 MHz; 1â266 MHz (DDR)) | |
Standard features |
I/O ports: | Dual channel Ultra320 SCSI controller (internal; RAID optional) |
| Dual ported Ethernet 10/100/1000 Mbps controller | ||
| Two USB, two HMC, two system ports | ||
Expansion features |
I/0 expansion: | Up to eight 7311-D20 I/O drawers, each providing seven 64-bit PCI-X slots and up to 12 disk bays (10K or 15K rpm disks) |
| Connectivity support: | 2 Gigabit Fibre Channel; 10 Gigabit Ethernet, 4x InfiniBand | |
Advanced POWER Virtualization (options): |
Micro-Partitioning | |
| Shared processor pool | ||
| VIOS | ||
| IVM | ||
| Partition Load Manager (AIX 5L only) | ||
Operating systems: |
AIX 5L Edition: AIX 5L V5.2 or later OpenPower Edition: SUSE LINUX Enterprise Server 9 for POWER (SLES 9) or later; Red Hat Enterprise Linux AS 4 for POWER (RHEL AS 4) or later | |
Power requirements: |
100v to 127v or 200v to 240v AC | |
System dimensions: |
Deskside: 21.1"H x 7.9"W x 30.7"D (533mm x 201mm x 779mm); weight: 91.0 lb (41.4 kg) Rack drawer: 7.0"H (4U) x 17.2"W x 27.0"D (178mm x 437mm x 731mm); weight: 91.0 lb (41.4 kg) 7311-D20 I/O drawer: 7.0"H (4U) x 19.0"W x 24.0"D (178mm x 482mm x 610mm); weight: 101.0 lb (45.9 kg) | |
Buy, sell and upgrade used and refurbished IBM pSeries 550Q Servers, along with the rest of the IBM pSeries family, at World Data Products.

