-Reduce cost with an energy-smart design that provides optimal computing performance per watt.
-Improve service with a flexible design that is easy to deploy, integrate and manage.
-Manage risk with resilient architectures and virtualized environments.
Energy-efficient profile
The IBM® System x3650 M2 offers robust, proven technology and a flexible, energy-smart design. Delivering quad-core computing on Intel® Xeon® 5500 Series processors with QuickPath Interconnect technology, this powerful 2U server delivers significant performance improvement per watt compared to previous generation servers by integrating low-wattage components for an energy-smart thermal profile.
Designed for virtualization
Designed to provide leadership virtualization, the x3650 M2 supports the VMware ESXi 3.5 embedded hypervisor, the industry-leading solution for virtualization. In addition, the x3650 M2 provides exceptional memory per core, enabling you to implement virtualization efficiently and cost-effectively.
Select configurations of the x3650 M2 are part of the IBM Express Advantage™ Portfolio, designed to meet the needs of midsized businesses. Easy to manage, Express™ models/configurations vary by country.
Processor | Processor family | Intel® Xeon® 5000 Sequence |
 | Processor manufacturer | Intel |
| Processor model | E5540 |
| Processor frequency | 2.53 GHz |
| Processor boost frequency | 2.8 GHz |
| Processor cores | 4 |
| Processor cache | 8 MB |
| Memory channels supported by processor | Triple |
| Number of processors installed | 1 |
| Thermal Design Power (TDP) | 80 W |
| Processor cache type | Smart Cache |
| System bus rate | 5.86 GT/s |
| Maximum number of SMP processors | 2 |
| Processor socket | Socket B (LGA 1366) |
| Processor lithography | 45 nm |
| Processor threads | 8 |
| Processor operating modes | 64-bit |
| Stepping | D0 |
| Bus type | QPI |
| Number of QPI links | 2 |
| Processor codename | Nehalem EP |
| Tcase | 76 °C |
| Maximum internal memory supported by processor | 144 GB |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 800,1066 MHz |
| Memory bandwidth supported by processor (max) | 25.6 GB/s |
| ECC supported by processor | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Processor package size | 42.5 x 45 mm |
| Processor code | SLBF6 |
| Physical Address Extension (PAE) | Yes |
| | 40 bit |
| Embedded options available | Yes |
| Number of Processing Die Transistors | 731 M |
| CPU multiplier (bus/core ratio) | 19 |
| Processing Die size | 263 mm² |
| Processor system type | DP |
| Processor series | Intel Xeon 5500 Series |
Design | Chassis type | Rack (2U) |
Features | Images Type Map | <div><img src="https://ark.intel.com/inc/images/diagrams/diagram-17.gif" title="Block Diagram" /><img src="https://ark.intel.com/inc/images/diagrams/diagram-16.gif" title="Block Diagram" /><img src="https://ark.intel.com/inc/images/diagrams/diagram-19.gif" title="Block Diagram" /></div> |
Processor special features | CPU configuration (max) | 2 |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 1.0 |
| Intel® Smart Cache | Yes |
| Intel Enhanced Halt State | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Demand Based Switching | Yes |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Processor ARK ID | 37104 |
Software | Compatible operating systems | Microsoft Windows Server 2003 / 2008, Red Hat Enterprise Linux (RHEL), SUSE Linux Enterprise Server (SLES), VMware ESXi 3.5 |
Storage | Optical drive type | DVD Super Multi |
| HDD interface | Serial Attached SCSI (SAS) |
| HDD size | 2.5 " |
| RAID levels | 1 |
| Hot-swap | Yes |
Memory | Internal memory | 8 GB |
| Internal memory type | DDR3-SDRAM |
| Maximum internal memory | 128 GB |
| Memory slots | 16x DIMM |
| ECC | Yes |
| Memory layout (slots x size) | 2 x 4 GB |
Expansion slots | PCI Express x8 slots | 4 |
Power | Redundant power supply (RPS) support | Yes |
| Power supply | 675 W |
Network | Network ready | Yes |
| Networking features | Gigabit Ethernet |
Ports & interfaces | Ethernet LAN (RJ-45) ports | 4 |
| USB 2.0 ports quantity | 4 |
| VGA (D-Sub) ports quantity | 3 |