最近用到了一批E5520服務器，在此記錄一下CPU硬件信息。
Essentials
- Product Collection Legacy Intel® Xeon® Processors
- Code Name Products formerly Nehalem EP
- Vertical Segment Server
- Processor Number E5520
- Status Discontinued
- Launch Date Q1'09
- Lithography 45 nm
Performance
- # of Cores 4
- # of Threads 8
- Processor Base Frequency 2.26 GHz
- Max Turbo Frequency 2.53 GHz
- Cache 8 MB Intel® Smart Cache
- Bus Speed 5.86 GT/s
- # of QPI Links 2
- TDP 80 W
- VID Voltage Range 0.75V -1.35V
Supplemental Information
- Embedded Options Available No
- Datasheet View now
Memory Specifications
- Max Memory Size (dependent on memory type) 144 GB
- Memory Types DDR3 800/1066
- Max # of Memory Channels 3
- Max Memory Bandwidth 25.6 GB/s
- Physical Address Extensions 40-bit
- ECC Memory Supported ‡ Yes
Package Specifications
- Sockets Supported FCLGA1366
- Max CPU Configuration 2
- TCASE 72°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