Essentials | |
| Product Collection | Legacy Intel Xeon Processors |
| Code Name | Products formerly Nehalem EP |
| Vertical Segment | Server |
| Processor Number | X5550 |
| Status | Discontinued |
| Launch Date | Q1'09 (2009) |
| Lithography | 45 nm |
| Included Items | |
CPU Specifications | |
| # of Cores | 4 |
| # of Threads | 8 |
| Processor Base Frequency | 2.66 GHz |
| Max Turbo Frequency | 3.06 GHz |
| Cache | 8 MB Intel® Smart Cache |
| Bus Speed | 6.4 GT/s |
| # of QPI Links | 2 |
| Intel® Turbo Boost Technology 2.0 Frequency‡ | |
| TDP | 95 W |
Memory Specifications | |
| ECC Memory Supported * | Yes |
| Physical Address Extensions | 40-bit |
| Max Memory Bandwidth | 32 GB/s |
| Max # of Memory Channels | 3 |
| Memory Types | DDR3 800/1066/1333 |
| Max Memory Size (dependent on memory type) | 144 GB |
Package Specifications | |
| Sockets Supported | FCLGA1366 |
| Max CPU Configuration | 2 |
| TCASE | 75°C |
| Package Size | 42.5mm x 45mm |
| Processing Die Size | 263 mm2 |
| # of Processing Die Transistors | 731 million |
Advanced Technologies | |
| Intel Turbo Boost Technology * | 1.0 |
| Intel Hyper-Threading Technology * | Yes |
| Intel Virtualization Technology (VT-x) * | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) * | Yes |
| Intel VT-x with Extended Page Tables (EPT) * | Yes |
| Intel 64 * | Yes |
| Instruction Set | 64-bit |
| Idle States | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Demand Based Switching | Yes |
Security & Reliability | |
| Intel Trusted Execution Technology * | No |
| Execute Disable Bit * | Yes |
Ordering and spec information | |||||||
| Spec Code | Ordering Code | Shipping Media | Stepping | Recommended Customer Price | |||
| SLBF5 | AT80602000771AA | TRAY | D0 | $50.00 | |||
| SLBF5 | BX80602X5550 | BOX | D0 | ||||
| SLBFZ | |||||||
| Q1AE | AT80602000771AA | B0 | |||||
| Q1EH | AT80602000771AA | B0? | |||||
| Q1GJ | AT80602000771AA | D0 | |||||
| QGXU | AT80602000771AA | B0 | |||||
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