SKU#: 4XG7A91858
Availability: Sold Out
Condition: New
Brand: Lenovo
Category: Components
Standard ground shipping delivery: 5–8 business days.
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Lenovo 4XG7A91858 is a 28-core 5th gen Intel Xeon Gold 5520+ processor (Emerald Rapids) with a 2.2 GHz base clock that boosts to 4 GHz for the LGA 4677 socket. It runs 56 threads, has 52.5 MB cache, has a 205 W TDP and supports DDR5-SDRAM memory in octa-channel mode up to 4 TB.
| Processor generation | Intel Xeon Scalable 5th Gen |
|---|---|
| Processor base frequency | 2.2 GHz |
| Processor manufacturer | Intel |
| Processor codename | Emerald Rapids |
| Thermal Design Power (TDP) | 205 W |
| Processor cache | 52.5 MB |
| Processor ARK ID | 237561 |
| Processor model | 5520+ |
| Processor threads | 56 |
| Processor operating modes | 64-bit |
| Processor boost frequency | 4 GHz |
| Stepping | R1 |
| Processor family | Intel Xeon Gold |
| Processor cores | 28 |
| Processor socket | LGA 4677 (Socket E) |
| Processor series | Intel Xeon Gold 5000 Series |
| High priority cores | 8 |
| High priority core frequency | 2.4 GHz |
| Low priority cores | 20 |
| Low priority core frequency | 2 GHz |
| Intel UPI Speed | 20 GT/s |
| Maximum internal memory supported by processor | 4 TB |
| Memory types supported by processor | DDR5-SDRAM |
| Memory channels | Octa-channel |
| ECC | Yes |
| Discrete graphics card | No |
| Intel Turbo Boost Technology | 2.0 |
| Intel Trusted Execution Technology | Yes |
| Intel Hyper Threading Technology (Intel HT Technology) | Yes |
| Intel AES New Instructions (Intel AES-NI) | Yes |
| Execute Disable Bit | Yes |
| PCI Express slots version | 5.0 |
| Supported instruction sets | AMX, AVX, AVX 2.0, AVX-512, SSE4.2 |
| Scalability | 2S |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Embedded options available | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel 64 | Yes |
| Status | Launched |
| Market segment | Server |
| Launch date | Q4'23 |
| Intel Virtualization Technology (VT-x) | Yes |
| Number of UPI links | 3 |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Servicing status | Baseline Servicing |
| Maximum number of PCI Express lanes | 80 |
| Export Control Classification Number (ECCN) | 5A992C |
| Use conditions | Server/Enterprise |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel Speed Shift Technology | Yes |
| Intel OS Guard | Yes |
| Intel Boot Guard | Yes |
| Intel Volume Management Device (VMD) | Yes |
| Intel Deep Learning Boost (Intel DL Boost) on CPU | Yes |
| Mode-based Execute Control (MBE) | Yes |
| Intel Run Sure Technology | Yes |
| Intel Resource Director Technology (Intel RDT) | Yes |
| Intel Speed Select Technology - Base Frequency (Intel SST-BF) | Yes |
| Intel Transactional Synchronization Extensions | Yes |
| Intel Total Memory Encryption | Yes |
| Intel Control-flow Enforcement Technology (CET) | Yes |
| Maximum Enclave Size Support for Intel SGX | 128 GB |
| Intel Platform Firmware Resilience Support | Yes |
| Intel Crypto Acceleration | Yes |
| Intel Total Memory Encryption - Multi Key | Yes |
| Intel QuickAssist Software Acceleration | Yes |
| Intel On Demand Feature Activation | Yes |
| Intel QuickAssist Technology (QAT) | 1 default devices |
| Intel Dynamic Load Balancer (DLB) | 1 default devices |
| Intel Data Streaming Accelerator (DSA) | 1 default devices |
| Intel In-memory Analytics Accelerator (IAA) | 1 default devices |
| Intel Advanced Matrix Extensions (AMX) | Yes |
| Intel Speed Select Technology - Core Power | Yes |
| Intel Speed Select Technology - Turbo Frequency | Yes |
| Tcase | 85 deg C |
| DTS Max | 96 deg C |
| Maximum internal memory | 4 TB |
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