Lenovo System x x3550 M4 7914A2U 1U Rack Server - 1 x Intel Xeon E5-2603 Quad-core (4 Core) 1.80 GHz - 4 GB Installed DDR3 SDRAM - 6Gb/s SAS Controller - 0, 1, 10, 1E RAID Levels - 1 x 550 W

The right choice when compromise is not an option, the IBM System x3550 M4 blends outstanding uptime, performance and I/O flexibility for cost efficiency and rock-solid reliability. This compact rack server offers an energy-smart, affordable and easy-to-use solution with a pay-as-you-grow design to help lower costs and manage risks. With more computing power per watt and advanced memory support, the x3550 M4 offers balanced performance and density.With redundant and hot-swap fans, disks and power supplies, the x3550 M4 provides a resilient architecture ideal for business-critical applications. Predictive failure analysis and light path diagnostics provide advanced warning on power supplies, fans, VRMs, disks, processors and memory. Redundant, hot-swap components make it easy to replace failures without taking your system down.