Essentials

Product Collection

5th Generation Intel® Xeon® Scalable Processors

Code Name

Products formerly EMERALD RAPIDS

Vertical Segment

Server

Processor Number

8558U

Lithography

Intel 7

Use Conditions

Server/Enterprise

CPU Specifications

Total Cores

48

Total Threads

96

Max Turbo Frequency

4 GHz

Processor Base Frequency

2 GHz

Cache

260 MB

Intel® UPI Speed

0 GT/s

Max # of UPI Links

0

TDP

300 W

Intel® Speed Select Technology - Performance Profile (Intel® SST-PP)

Intel® Speed Select Technology - Performance Profile (Intel® SST-PP)

See the specifications

Supplemental Information

Marketing Status

Launched

Launch Date

Q4'23

Servicing Status

Baseline Servicing

Memory Specifications

Max Memory Size (dependent on memory type)

4 TB

Memory Types

DDR5 @ 5200 MT/s (1 DPC)

Max # of Memory Channels

8

ECC Memory Supported   ‡

Yes

Expansion Options

Scalability

1S Only

PCI Express Revision

5.0

Max # of PCI Express Lanes

80

Package Specifications

Sockets Supported

FCLGA4677

Package Carrier

E1A

DTS Max

95 °C

TCASE

78

Package Size

77.5mm x 56.5mm

Intel® On Demand Available Upgrades

Activation ModelQATDLBDSAIAASGX512Analytics Suite 444

Intel® Virtual RAID on CPU (Intel® VROC) Activation Options

VROC RAID1 Only |  VROC Standard |  VROC Premium

Advanced Technologies

Intel® On Demand Activation Model

Yes

Intel® Data Streaming Accelerator (DSA)

1 default devices

Intel® Advanced Matrix Extensions (AMX)

Yes

Intel® Speed Select Technology – Core Power

Yes

Intel® Speed Select Technology – Turbo Frequency

Yes

Intel® Deep Learning Boost (Intel® DL Boost) on CPU

Yes

Intel® Speed Select Technology - Base Frequency

Yes

High Priority Cores

16

High Priority Core Frequency

2.2 GHz

Low Priority Cores

32

Low Priority Core Frequency

1.8 GHz

Intel® Resource Director Technology (Intel® RDT)

Yes

Intel® Speed Shift Technology

Yes

Intel® Turbo Boost Technology ‡

2.0

Intel® Hyper-Threading Technology ‡

Yes

Intel® Transactional Synchronization Extensions

Yes

Intel® 64 ‡

Yes

Instruction Set Extensions

Intel® AMX |  Intel® SSE4.2 |  Intel® AVX |  Intel® AVX2 |  Intel® AVX-512

# of AVX-512 FMA Units

2

Intel® Volume Management Device (VMD)

Yes

Security & Reliability

Ad Hoc Sample Indicator

Yes

Intel® Crypto Acceleration

Yes

Intel® QuickAssist Software Acceleration

Yes

Intel® Platform Firmware Resilience Support

Yes

Intel® Control-Flow Enforcement Technology

Yes

Intel® Total Memory Encryption - Multi Key

Yes

Intel® Total Memory Encryption

Yes

Intel® AES New Instructions

Yes

Intel® Software Guard Extensions (Intel® SGX)

Yes with Intel® SPS

Default Maximum Enclave Page Cache (EPC) Size for Intel® SGX

512 GB

Intel® OS Guard

Yes

Intel® Trusted Execution Technology ‡

Yes

Execute Disable Bit ‡

Yes

Intel® Boot Guard

Yes

Intel® Run Sure Technology

Yes

Mode-based Execute Control (MBEC)

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