
Leadership enterprise server with significantly lower cost of ownership in a highly available and expandable, 
IBM System x3550 M2 Specifications
| Machine type | 
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| Form factor | 
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| Processor type | E5520 @2.26GHz  | 
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| E5530@2.4GHz  | E5502 @1.86GHz  | ||||||||||
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| Maximum processor power draw | 60W  | 
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| # of processors standard / maximum | 
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 | 1 / 2 | 
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| Internal L2 cache | 4MB (1 x 4MB shared cache) | 
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| Chipset | 
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| Standard / maximum memory9 | 
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 | 2GB or 4GB / Max. 128GB | 
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| Standard memory type | Registered  | ||||||||||
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| Memory interleaving | Yes  | ||||||||||
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| DIMM capacities supported | 
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 | 1GB, 2GB, 4GB, 8GB | 
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| # of DIMM sockets total / available | 
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 | 16 (8 per processor) | 
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| Memory mirroring supported / # of | 
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| DIMM sockets reserved for mirroring | 
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| # of drive bays total / available | 
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 | 6 / 6 | (all models) | 
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| # of HDD drive bays total / available | 
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 | 6 / 6  | 
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| # of 5.25" bays total / available | 
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| Maximum drive capacity | 
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| 1.8TB (6 x 300GB)  | 
 | 300GB (6 x 50GB)  | |||||||||
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| Drive capacities supported | 73.4, 146.8, 300GB  | 
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 | 300GB  | 31.4, 50GB | |||||||||
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 | 73.4 ,146.8GB  | 
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| # of HDDs standard | 
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 | None (all models open bay) | 
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| # of optical drives standard | 1  | ||||||||||
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| # of diskette drives standard | 
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 | None (optional) | 
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| Internal tape drives supported | 
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 | None (externally attached) | 
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| Disk drive technology | 
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| External disk drives supported | 
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 | Yes, via MegaRAID MR10M controller | |||||||
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| Integrated RAID controller | 
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 | ServeRAID BR10i std (all models) | |||||||
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| Optional RAID controllers supported | Choice of 4 -  | ||||||||||
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| # of adapter slots total / available | 
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 | 2 /2 | 
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9Maximum memory and disk capacity may require the replacement of standard components with the largest supported component available.
Please see the Legal Information section for important notices and information.
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