IBM System x3550 M3

Feature Benefits
1U rack
High-performance, energy-efficient six-core Intel® Xeon® 5600 series processors (up to 12 MB L3 cache) leveraging QuickPath Interconnect (QPI) technology
Fast 1333 MHz, DDR-3 RDIMM memory with 18 DIMM slots, up to 288 GB max memory or up to 48 GB max memory with 12 UDIMMs
Support for the VMware ESXi embedded hypervisor (optional)
Support for up to eight 2.5 in. hot-swap Serial Attached SCSI (SAS), Serial ATA (SATA) HDDs or solid-state drives (SSDs)
Support for PCIe
2 PCIe (2×16) Gen 2 slots: 1×16 full-height, half-length convertible to PCI-X/133 MHz with riser option 1×16—low-profile
Integrated with 3 Gbps or 6 Gbps RAID controller (model dependent)
IBM Systems Director and IBM Systems Director Active Energy Manager™
IBM Calibrated Vectored Cooling™
TCP-IP Offload Engine (standard)
Snoop filters on Intel® core chipset
Hot-swap redundant power supplies and fan modules
Drop-down light path diagnostics panel
IBM Integrated Management Module (IMM)
Integrated dual Gigabit Ethernet standard; two additional Gigabit ports (via option)
Security/trusted computing technologies
Unified Extensible Firmware Interface (UEFI)
NEBS 1/ETSI compliance
Energy-efficiency compliance
3-year customer replaceable unit and onsite limited warranty
IBM ServerGuide software