IBM System x3550 M4 8Standard modelsThe following table lists the standard models.Table 2. Standard modelsModel Intel Xeon Processors†(2 maximum)Memory RAID DiskbaysDisks GbE Optical PowerModels announced March 20127914-A2x 1x E5-2603 4C 1.8GHz10MB 1066MHz 80W1x 4 GB H1110 4x 2.5" HS/8 Open 4 Open 1x 550W7914-B2x 1x E5-2609 4C 2.4GHz10MB 1066MHz 80W1x 4 GB M1115 4x 2.5" HS/8 Open 4 Open 1x 550W7914-C2x 1x E5-2620 6C 2.0GHz15MB 1333MHz 95W1x 8 GB M1115 4x 2.5" HS/8 Open 4 Open 1x 550W7914-C4x 1x E5-2620 6C 2.0GHz15MB 1333MHz 95W1x 8 GB H1110 3x 3.5" HS/6 Open 4 None 1x 550W7914-D2x 1x E5-2630 6C 2.3GHz15MB 1333MHz 95W1x 8 GB M5110 512MB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-F2x 1x E5-2640 6C 2.5GHz15MB 1333MHz 95W1x 8 GB M5110 512MB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-G2x 1x E5-2650 8C 2.0GHz20MB 1600MHz 95W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-52x 1x E5-2650L 8C 1.8GHz20MB 1600MHz 70W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-H2x 1x E5-2660 8C 2.2GHz20MB 1600MHz 95W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-62x 1x E5-2665 8C 2.4GHz20MB 1600MHz 115W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-J2x 1x E5-2670 8C 2.6GHz20MB 1600MHz 115W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 550W7914-L2x 1x E5-2680 8C 2.7GHz20MB 1600MHz 130W1x 8 GB M5110 1GB (f) 4x 2.5" HS/8 Open 4 Open 1x 750W† Processor detail: Processor quantity and model, core speed, number of cores, L3 cache, memory speed.(f) The integrated ServeRAID M5110 RAID controller in this model includes flash-backed cache.Refer to the Specifications section for information about standard features of the server.