For performance that adapts to your application demands, intelligently scales energy use per performance demands, and offers best-in-class virtualization, turn to a more intelligent enterprise server processor—the Intel® Xeon® processor 5500 series—automatically and intelligently adjusting server performance according to your application needs.
Memory | Memory channels | Triple-channel |
 | Maximum internal memory supported by processor | 144 GB |
| Memory types supported by processor | DDR3-SDRAM |
| ECC | Yes |
Other features | Maximum internal memory | 144 GB |
| | 147456 MB |
Processor special features | Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 1.0 |
| Enhanced Intel SpeedStep Technology | 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 |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
Features | Execute Disable Bit | Yes |
| Idle States | Yes |
| Market segment | Server |
| Number of Processing Die Transistors | 731 M |
| Processing Die size | 263 mm² |
| CPU configuration (max) | 2 |
| Physical Address Extension (PAE) | 40 bit |
| Harmonized System (HS) code | 8542310001 |
| Export Control Classification Number (ECCN) | 3A991.A.1 |
| Commodity Classification Automated Tracking System (CCATS) | NA |
| 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> |
Technical details | Processor cache | 8192 KB |
| Product type | Processor |
| Supported memory types | DDR3-SDRAM |
| Bus bandwidth | 5.86 |
| Bus type units | GT/s |
| Launch date | Q1'09 |
| Status | Discontinued |
| Maximum memory | 144 GB |
| Processor brand name | Intel Xeon |
| Last change | 63903513 |
| Product family | Intel Xeon Processor 5000 Sequence |
| Bus speed | 5.86 GT/s |
Operational conditions | Tcase | 72 °C |
Packaging data | Package width | 44 mm |
| Package depth | 140 mm |
| Package height | 117 mm |
| Package weight | 102 g |
Processor | Processor family | Intel® Xeon® 5000 Sequence |
| Processor cores | 4 |
| Processor socket | LGA 1366 (Socket B) |
| Processor lithography | 45 nm |
| Box | Yes |
| Cooler included | Yes |
| Processor manufacturer | Intel |
| Processor model | E5520 |
| Processor base frequency | 2.26 GHz |
| Processor operating modes | 64-bit |
| Component for | Server/workstation |
| Processor series | Intel Xeon 5500 Series |
| Processor threads | 8 |
| System bus rate | 5.86 GT/s |
| Processor boost frequency | 2.53 GHz |
| Processor cache | 8 MB |
| Processor cache type | Smart Cache |
| Processor front side bus | 1066 MHz |
| Thermal Design Power (TDP) | 80 W |
| VID Voltage Range | 0.75 - 1.35 V |
| Bus type | QPI |
| CPU multiplier (bus/core ratio) | 17 |
| Number of QPI links | 2 |
| Memory bandwidth supported by processor (max) | 25.6 GB/s |
| Processor system type | DP |
| Processor ARK ID | 40200 |
Weight & dimensions | Processor package size | 42.5mm x 45mm mm |