Product Overview
| Type | CPU / Microprocessor |
| Market Segment | Server |
| Family | Intel Xeon |
| Processor number | E5420 |
| Part number | AT80574KJ060N is an OEM CPU |
| BX80574E5420A / BX80574E5420P are boxed CPU | |
| Spec Code | SLBBL / SLANV |
| Frequency | 2.5 |
| Bus speed | 1333 |
| Package type | 771-land FC-LGA |
| Socket type | Socket 771 (LGA771) |
| Number of cores | 4 |
| L2 cache size | 12 MB |