SKU#: 686845-B21
Availability: Sold Out
Condition: New
Brand: HPE
Category: Components
Standard ground shipping delivery: 5–8 business days.
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HPE 686845-B21 is an 8-core Intel Xeon E5-4640 processor with a 2.4 GHz base clock that boosts to 2.8 GHz for the LGA 2011 socket. It runs 16 threads, has 20 MB L3 cache, has a 95 W TDP and supports DDR3-SDRAM memory in quad-channel mode up to 1.5 TB.
| Processor base frequency | 2.4 GHz |
|---|---|
| Memory bandwidth supported by processor (max) | 51.2 GB/s |
| Thermal Design Power (TDP) | 95 W |
| Processor cache | 20 MB |
| Processor model | E5-4640 |
| Processor threads | 16 |
| System bus rate | 8 GT/s |
| Processor operating modes | 64-bit |
| VID Voltage Range | 0.6 - 1.35 V |
| Processor boost frequency | 2.8 GHz |
| Number of QPI links | 2 |
| Bus type | QPI |
| Component for | Server/workstation |
| Processor lithography | 32 nm |
| Processor family | Intel Xeon E5 Family |
| Processor front side bus | 1600 MHz |
| Processor cores | 8 |
| Processor socket | LGA 2011 (Socket R) |
| Processor cache type | L3 |
| Maximum internal memory supported by processor | 1.5 TB |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 800,1066,1333,1600 MHz |
| Memory channels | Quad-channel |
| ECC | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel Turbo Boost Technology | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel Smart Cache | Yes |
| Intel Hyper Threading Technology (Intel HT Technology) | Yes |
| Intel Flex Memory Access | Yes |
| Intel AES New Instructions (Intel AES-NI) | Yes |
| Idle States | Yes |
| Execute Disable Bit | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Virtualization Technology (Intel VT) | VT-d, VT-x |
| PCI Express slots version | 3.0 |
| Supported instruction sets | AVX |
| Scalability | S4S |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Demand Based Switching | Yes |
| CPU configuration (max) | 4 |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Market segment | Server |
| Intel Virtualization Technology (VT-x) | Yes |
| Maximum number of PCI Express lanes | 40 |
| Intel vPro Platform Eligibility | Yes |
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