Processor | Processor family | Intel® Xeon® 5000 Sequence |
 | Processor manufacturer | Intel |
| Processor model | E5520 |
| Processor frequency | 2.26 GHz |
| Processor boost frequency | 2.53 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 |
| 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 | 72 °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 | SLBFD |
| Physical Address Extension (PAE) | 40 bit |
| Number of Processing Die Transistors | 731 M |
| CPU multiplier (bus/core ratio) | 17 |
| 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" /></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 | 40200 |
Storage | Maximum storage capacity | 24 TB |
Memory | Internal memory | 6 GB |
| Memory slots | 12 |
Power | Power supply | 750 W |
| Number of main power supplies | 1 |
Weight & dimensions | Weight | 19200 g |
Network | LAN controller | HP NC362i |
| Ethernet LAN | Yes |
Ports & interfaces | Ethernet LAN (RJ-45) ports | 2 |