SKU#: UCS-CPU-I8558U
Availability: Sold Out
Condition: New
Brand: Cisco
Category: Components
Standard ground shipping delivery: 5–8 business days.
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Cisco UCS-CPU-I8558U is a 48-core 5th gen Intel Xeon Platinum 8558U processor with a 2 GHz base clock that boosts to 4 GHz for the LGA 4677 socket. It runs 96 threads, has 260 MB cache, has a 300 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 GHz |
| Processor manufacturer | Intel |
| Thermal Design Power (TDP) | 300 W |
| Processor cache | 260 MB |
| Processor model | 8558U |
| Processor threads | 96 |
| Processor operating modes | 64-bit |
| Processor boost frequency | 4 GHz |
| Processor lithography | 7 nm |
| Processor family | Intel Xeon Platinum |
| Processor cores | 48 |
| Processor socket | LGA 4677 (Socket E) |
| Processor series | Intel Xeon Platinum 8000 Series |
| High priority cores | 16 |
| High priority core frequency | 2.2 GHz |
| Low priority cores | 32 |
| Low priority core frequency | 1.8 GHz |
| Maximum internal memory supported by processor | 4 TB |
| Memory types supported by processor | DDR5-SDRAM |
| Memory clock speeds supported by processor | 4800 MHz |
| Memory channels | Octa-channel |
| ECC | Yes |
| Non-ECC | No |
| 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 | 1S |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel 64 | Yes |
| Market segment | Server |
| Intel Virtualization Technology (VT-x) | Yes |
| AVX-512 Fused Multiply-Add (FMA) units | 2 |
| Maximum number of PCI Express lanes | 80 |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel QuickAssist Technology | 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 Transactional Synchronization Extensions | Yes |
| Intel Total Memory Encryption | Yes |
| Intel Control-flow Enforcement Technology (CET) | Yes |
| Maximum Enclave Size Support for Intel SGX | 512 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 Data Streaming Accelerator (DSA) | 1 |
| Intel Advanced Matrix Extensions (AMX) | Yes |
| Intel Speed Select Technology - Core Power | Yes |
| Intel Speed Select Technology - Turbo Frequency | Yes |
| Intel Trust Domain Extensions (Intel TDX) | Yes |
| Tcase | 78 deg C |
| DTS Max | 95 deg C |
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