Cisco · MPN: UCS-CPU-I8558U
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Overview

  • Intel® Xeon® Platinum 8558U 2 GHz
  • 260 MB LGA 4677 (Socket E)
  • Processor cores: 48 7 nm 64-bit 300 W
  • Maximum internal memory supported by processor: 4 TB DDR5-SDRAM

The Xeon® Processor from Cisco is designed to deliver enhanced reliability and flexibility for server platforms. This processor offers excellent performance and headroom for peak Internet server loads, resulting in faster response times, support for more users and improved scalability.

Specifications

Processor

Thermal Design Power (TDP)300 W
Processor cache260 MB
Low priority core frequency1.8 GHz
Low priority cores32
High priority core frequency2.2 GHz
High priority cores16
Processor boost frequency4 GHz
Processor operating modes64-bit
Processor threads96
Processor seriesIntel Xeon Platinum 8000 Series
Processor lithography7 nm
Processor socketLGA 4677 (Socket E)
Processor cores48
Processor base frequency2 GHz
Processor model8558U
Processor generationIntel Xeon Scalable 5th Gen
Processor familyIntel® Xeon® Platinum
Processor manufacturerIntel

Memory

ECCYes
Non-ECCNo
Memory channelsOcta-channel
Memory clock speeds supported by processor4800 MHz
Memory types supported by processorDDR5-SDRAM
Maximum internal memory supported by processor4 TB
Show all 70 specificationsShow fewer specifications

Graphics

Discrete graphics card modelNot available
On-board graphics card modelNot available
On-board graphics cardNo
Discrete graphics cardNo

Features

Scalability1S
Supported instruction setsAMX, AVX, AVX 2.0, AVX-512, SSE4.2
PCI Express slots version5.0
Maximum number of PCI Express lanes80
Market segmentServer
Execute Disable BitYes

Processor special features

Intel® Speed Select Technology – Turbo FrequencyYes
Intel® Speed Select Technology – Core PowerYes
Intel® Advanced Matrix Extensions (AMX)Yes
Intel® Data Streaming Accelerator (DSA)1
Intel® On Demand Feature ActivationYes
Intel® Total Memory Encryption - Multi KeyYes
Intel® QuickAssist Software AccelerationYes
Intel VT-x with Extended Page Tables (EPT)Yes
Intel Software Guard Extensions (Intel SGX)Yes
Intel 64Yes
Intel Virtualization Technology (VT-x)Yes
Intel Virtualization Technology for Directed I/O (VT-d)Yes
AVX-512 Fused Multiply-Add (FMA) units2
Intel® Deep Learning Boost (Intel® DL Boost) on CPUYes
Intel® Resource Director Technology (Intel® RDT)Yes
Intel® Volume Management Device (VMD)Yes
Mode-based Execute Control (MBE)Yes
Intel® OS GuardYes
Intel® Run Sure TechnologyYes
Intel QuickAssist TechnologyYes
Intel® Boot GuardYes
Intel® Crypto AccelerationYes
Intel® Platform Firmware Resilience SupportYes
Maximum Enclave Size Support for Intel® SGX512 GB
Intel® Trust Domain Extensions (Intel® TDX)Yes
Intel® Control-flow Enforcement Technology (CET)Yes
Intel® Total Memory EncryptionYes
Intel® Transactional Synchronization ExtensionsYes
Intel® Hyper Threading Technology (Intel® HT Technology)Yes
Intel® Turbo Boost Technology2.0
Intel® AES New Instructions (Intel® AES-NI)Yes
Intel Trusted Execution TechnologyYes
Intel® Speed Shift TechnologyYes

Operational conditions

Tcase78 °C
DTS Max95 °C

Technical details

Package carrierE1A

Delivery & returns

Delivery

  • FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
  • Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
  • PlayStation and Arozzi products use a 5–7 working-day service.
  • Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.

Returns

  • Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
  • Faulty or damaged on arrival? Contact us within 48 hours of delivery.
  • Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.

Full delivery information · Full returns policy