| General |
|---|
| Model | E3-1280 |
| Codename | Sandy Bridge |
| Segment | Server |
| Product line | Семейство процессоров Intel Xeon E3 |
| Process | 32 nm |
| Launch date | Q2 2011 |
| Status | Discontinued |
| Servicing status | End of Servicing Lifetime |
| End of servicing updates | 12/31/2019 |
| Embedded options available | No |
| CPU |
|---|
| Cores | 4 |
| Threads | 8 |
| Multithreading (SMT/HT) | Yes |
| Base clock | 3.5 GHz |
| Max boost clock | 3.9 GHz |
| Turbo Boost 2.0 frequency | 3.9 GHz |
| L3 cache | 8 MB |
| Bus speed | 5 GT/s |
| TDP | 95 W |
| Turbo Boost | Yes (2) |
| 64-bit support | Yes |
| Instruction set width | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX |
| Memory |
|---|
| Max memory size | 32 GB |
| Memory types | DDR3 |
| Memory channels | 2 |
| Max memory bandwidth | 21 GB/s |
| ECC memory supported | Yes |
| Graphics |
|---|
| Quick Sync Video | No |
| Clear Video HD | No |
| InTru 3D | No |
| Flexible Display Interface | No |
| I/O and interfaces |
|---|
| PCI Express revision | 2 |
| PCI Express lanes | 20 |
| Package and thermal |
|---|
| Sockets supported | LGA1155 |
| Max CPU configuration | 1 |
| Package size | 37.5mm x 37.5mm |
| TCASE | 73.6 °C |
| Security and virtualization |
|---|
| Virtualization (VT-x / AMD-V) | Yes |
| Virtualization for Directed I/O (VT-d) | Yes |
| Extended Page Tables (EPT) | Yes |
| AES-NI | Yes |
| Execute Disable Bit | Yes |
| Intel Trusted Execution Technology | Yes |
| vPro Eligibility | Intel vPro Platform |
| Technologies |
|---|
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Identity Protection Technology | Yes |
| Flex Memory Access | Yes |
| Fast Memory Access | Yes |