IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 1xIntel Xeon Processor E5-2603 4C 1.8GHz 10MB 80W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/2x300GB 10K 6Gbps SAS 2.5" SFF/ServeRAID M1115 SAS/SATA 6 Gbps Controller(RAID levels 0, 1, and 10)/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/1xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty

IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 1xIntel Xeon Processor E5-2603 4C 1.8GHz 10MB 80W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/2x1TB 7.2K 6Gbps NL SAS 2.5" SFF/ServeRAID M1115 SAS/SATA 6 Gbps Controller(RAID levels 0, 1, and 10)/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/1xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty

IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 1xIntel Xeon Processor E5-2620 6C 2.0GHz 15MB 95W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/3x300GB 15K 6Gbps SAS 2.5" SFF/ServeRAID M5110 512MB Flash Cache 6 Gbps hardware RAID 0, 1, 10, 5, 50/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/1xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty

IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 2xIntel Xeon Processor E5-2620 6C 2.0GHz 15MB 95W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/3x900GB 10K 6Gbps SAS 2.5" SFF/ServeRAID M5110 512MB Flash Cache 6 Gbps hardware RAID 0, 1, 10, 5, 50/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/1xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty

IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 2xIntel Xeon Processor E5-2620 6C 2.0GHz 15MB 95W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/4x1TB 7.2K 6Gbps NL SAS 2.5" SFF/ServeRAID M5110 512MB Flash Cache 6 Gbps hardware RAID 0, 1, 10, 5, 50/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/1xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty

IBM x3550 M4 (up to 4(8) x 2.5HS HDD) 2xIntel Xeon Processor E5-2630 6C 2.3GHz 15MB 95W/2x8GB (2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM/4x300GB 15K 6Gbps SAS 2.5" SFF/ServeRAID M5110 512MB Flash Cache 6 Gbps hardware RAID 0, 1, 10, 5, 50/Integrated Management Module 2 (IMM2) standart/Intel I350AM4 Quad Port GbE LAN/DVD-RW/2xIBM System x 550W High Efficiency Platinum AC Power Supply/3 Year Onsite Warranty