Product Overview
The Intel Xeon E3-1281 v3 CPU is a robust server solution specifically designed for demanding applications in enterprise environments. With a base frequency of 3.70 GHz and a remarkable turbo frequency of up to 4.10 GHz for single-core tasks, this microprocessor is engineered to deliver exceptional performance, even under heavy workloads. Built on the advanced Haswell microarchitecture, the E3-1281 v3 boasts four powerful cores and supports eight threads, enabling efficient multitasking and unparalleled processing capabilities.
This OEM CPU is equipped with a 1150-land Flip-Chip Land Grid Array, ensuring compatibility with Socket LGA1150 servers. It features a comprehensive cache structure, including 4 x 32 KB of Level 1 cache, 4 x 256 KB of Level 2 cache, and an impressive 8 MB of Level 3 cache, allowing for swift data access and improved performance in data-intensive applications.
Engineered for memory efficiency, the E3-1281 v3 supports up to 32 GB of physical memory with dual-channel capabilities for DDR3-1333 and DDR3-1600 memory types. The maximum memory bandwidth reaches 25.6 GB/s, while ECC support ensures data integrity, making this processor a reliable choice for server environments.
With a low thermal design power of just 82 watts, it balances performance with energy efficiency, allowing for optimal cooling solutions. The Direct Media Interface 2.0 and PCI Express 3.0 support provide high-speed connections to various peripherals, enhancing the system's overall capacity.
Incorporate the Intel Xeon E3-1281 v3 into your server infrastructure, and experience the seamless performance and reliability your enterprise demands. Ideal for virtualization, data management, and intensive computational tasks, this CPU is the cornerstone of any high-performance server setup.
This OEM CPU is equipped with a 1150-land Flip-Chip Land Grid Array, ensuring compatibility with Socket LGA1150 servers. It features a comprehensive cache structure, including 4 x 32 KB of Level 1 cache, 4 x 256 KB of Level 2 cache, and an impressive 8 MB of Level 3 cache, allowing for swift data access and improved performance in data-intensive applications.
Engineered for memory efficiency, the E3-1281 v3 supports up to 32 GB of physical memory with dual-channel capabilities for DDR3-1333 and DDR3-1600 memory types. The maximum memory bandwidth reaches 25.6 GB/s, while ECC support ensures data integrity, making this processor a reliable choice for server environments.
With a low thermal design power of just 82 watts, it balances performance with energy efficiency, allowing for optimal cooling solutions. The Direct Media Interface 2.0 and PCI Express 3.0 support provide high-speed connections to various peripherals, enhancing the system's overall capacity.
Incorporate the Intel Xeon E3-1281 v3 into your server infrastructure, and experience the seamless performance and reliability your enterprise demands. Ideal for virtualization, data management, and intensive computational tasks, this CPU is the cornerstone of any high-performance server setup.
| Type | CPU / Microprocessor |
| Market segment | Server |
| Family | Intel Xeon E3-1200 v3 |
| Model number | E3-1281 v3 |
| CPU part numbers | CM8064601575329 / CM8064601575381 is an OEM/tray CPU |
| Spec codes | SR1R2 / SR21F |
| Frequency | 3700 MHz |
| Turbo frequency | 4100 MHz (1 core) |
| 3900 MHz (all cores) | |
| Bus speed | 5 GT/s DMI |
| Clock multiplier | 37 |
| Package | 1150-land Flip-Chip Land Grid Array |
| Socket | Socket 1150 / H3 / LGA1150 |
| Microarchitecture | Haswell |
| Platform | Denlow |
| Processor core | Haswell LGA1150 |
| Core stepping | C0 (QFFJ, SR1R2, SR21F) |
| Manufacturing process | 0.022 micron |
| Data width | 64 bit |
| The number of CPU cores | 4 |
| The number of threads | 8 |
| Floating Point Unit | Integrated |
| Level 1 cache size | 4 x 32 KB |
| Level 2 cache size | 4 x 256 KB |
| Level 3 cache size | 8 MB |
| Physical memory | 32 GB |
| Multiprocessing | Uniprocessor |
| Integrated graphics | None |
| Memory controller | The number of controllers: 1 |
| Memory channels: 2 | |
| Supported memory: DDR3-1333, DDR3-1600 | |
| DIMMs per channel: up to 2 | |
| Maximum memory bandwidth (GB/s): 25.6 | |
| ECC supported: Yes | |
| Other peripherals | Direct Media Interface 2.0 |
| PCI Express 3.0 interface | |
| Thermal Design Power | 82 Watt |
