IBM System x3550 M3 9Standard modelsThe following table lists the standard models. All models are withdrawn from marketing as of June 30,2013. The System x3550 M4 is a suitable replacement.Table 2. Standard modelsModel Intel Xeon processors†(2 maximum)RAM RAID DiskbaysDisks GbE DVD Powersupply7944-DCx 2x E5620 2.40GHz 4C 12MB 1066MHz 6x 4 GB M5015(b) 4 / 8 4x 300GB10K SAS2x GbE Multi 2x 675 W7944-12x 1x E5603 1.60GHz 4C 4MB 1066MHz 1x 4 GB BR10ilv2 4 / 8 Open 2x GbE Open 1x 460 W7944-22x 1x E5606 2.13GHz 4C 8MB 1066MHz 1x 4 GB M1015 4 / 8 Open 2x GbE Open 1x 460 W7944-32x 1x E5607 2.26GHz 4C 8MB 1066MHz 1x 4 GB M1015 4 / 8 Open 2x GbE Open 1x 460 W7944-D4x 1x E5620 2.40GHz 4C 12MB 1066MHz 1x 4 GB M1015 4 / 8 Open 2x GbE Open 1x 460 W7944-H4x 1x L5640 2.26GHz 6C 12MB 1333MHz 1x 4 GB M5015(b) 4 / 8 Open 2x GbE Open 1x 460 W7944-52x 1x E5645 2.40GHz 6C 12MB 1333MHz 1x 4 GB M5014 4 / 8 Open 2x GbE Open 1x 460 W7944-54x 2x E5645 2.40GHz 6C 12MB 1333MHz 2x 4 GB M5014 4 / 8 Open 2x GbE Open 2x 675 HE7944-62x 1x E5649 2.53GHz 6C 12MB 1333MHz 1x 4 GB M5014 4 / 8 Open 2x GbE Open 1x 460 W7944-J4x 1x X5650 2.66GHz 6C 12MB 1333MHz 1x 4 GB M5015(b) 4 / 8 Open 2x GbE Open 1x 675 W7944-72x 1x X5675 3.06GHz 6C 12MB 1333MHz 1x 4 GB M5015(b) 4 / 8 Open 2x GbE Open 1x 675 W7944-82x 1x X5690 3.46GHz 6C 12MB 1333MHz 1x 4 GB M5015(b) 4 / 8 Open 2x GbE Open 1x 675 HE7944-D2x 1x E5620 2.40GHz 4C 12MB 1066MHz 1x 4GB M1015 4 / 8 Open 2x GbE Open 1x 675 W† In the processor column: Standard quantity of processors, processor model, core speed, cores, L3 cache,memory speed.(b) The ServeRAID M5015 RAID controller in this model includes a battery.Refer to the Specifications section for information about standard features of the server.