The IBM Power 550 system has a number of significant offerings, including a POWER6 processor available at a frequency of 3.5 GHz or 4.2 GHz, 1 Gb or 10 Gb Integrated Virtual Ethernet adapter delivering native hardware virtualization, and mainframe continuous availability.
Models:
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Further Detail on the IBM Power 550 Series:
- 4 (four) processor card slots that can hold 2-core IBM POWER6 processor cards running at either 3.5 or 4.2 GHz
- 8204-E8A comes in 2-, 4-, 6-, and 8-core configurations employing the POWER6 chip on up to 4 dual core processor cards.
- 9409-M50 comes in 1-4 Way (4 cores) configurations.
- 1 GB to 64 GB per processor card. Available memory features are 667 MHz or 400 MHz depending on memory density.
- 128 GB system max with 3.5 GHz processor cards (8-core configuration)
- 256 GB system max with 4.2 GHz processor cards (8-core configuration)
- Up to 6 (six) SAS DASD internal 3.5-inch disk drives or up to 8 (eight) SAS DASD internal 2.5-inch disk drives. The 2.5 inch Small Form Factor (SFF) disks are not supported by IBM i.
- Max 5 (five) hot-swappable slots (Two PCIe x8 slots, short card length; One PCIe x8 slot, full card length)
Choice of DASD backplane options for the IBM Power 550:
•   6 x 3.5-inch DASD backplane with no external SAS port (default)
•   6 x 3.5-inch DASD backplane with an external SAS port (optional)
•   8 x 2.5-inch DASD backplane with an external SAS port (optional)
What they’re saying online about the IBM Power 550 Server
IBM Power 550 Express
An ideal mid-sized database server delivering leadership performance & outstanding capacity...
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Minimum system firmware levels. EL340_039 for IBM Power 520 and 550. EM340_036 for IBM Power 560 and 570. One of the following JS blade types.
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...targeting mid-market organizations by offering four times the processing capacity of its predecessor, the IBM Power 550 Express, in the same...

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Related models:
- IBM 9409-M50 Power 550 Servers
- IBM Power 520 Servers
- IBM Power 560 Servers, 8234-EMA
- IBM 8204-E8A1 Power 550 Express System
- IBM 8204-E8A2 Power 550 Express System






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