Processor Option Kit ThinkSystem ST550/ST558 Intel Xeon Gold 5218R 20C 125W 2.1GHz

Processor

Processor generation

2nd Generation Intel® Xeon® Scalable

Processor model

5218R

Processor base frequency

2.1 GHz

Processor family

Intel® Xeon® Gold

Processor cores

20

Processor socket

LGA 3647 (Socket P)

Component for

Server/workstation

Processor lithography

14 nm

Processor threads

40

Processor operating modes

64-bit

Processor boost frequency

4 GHz

Processor cache

27.5 MB

Thermal Design Power (TDP)

125 W

Cooler included

N

Bus type

UPI

Number of QPI links

2

Processor codename

Cascade Lake

Memory

Maximum internal memory supported by processor

1000 GB

Memory types supported by processor

DDR4-SDRAM

Memory clock speeds supported by processor

2667 MHz

Memory channels

Hexa-channel

ECC

Y

Graphics

On-board graphics card

N

Discrete graphics card

N

On-board graphics card model

Not available

Discrete graphics card model

Not available

Features

Execute Disable Bit

Y

Market segment

Server

Maximum number of PCI Express lanes

48

PCI Express slots version

3.0

Supported instruction sets

AVX,AVX 2.0,AVX-512,SSE4.2

Scalability

2S

Embedded options available

N

Processor special features

Intel® Hyper Threading Technology (Intel® HT Technology)

Y

Intel® Turbo Boost Technology

2.0

Intel® AES New Instructions (Intel® AES-NI)

Y

Enhanced Intel SpeedStep Technology

Y

Intel Trusted Execution Technology

Y

Intel® Speed Shift Technology

Y

Intel VT-x with Extended Page Tables (EPT)

Y

Intel 64

Y

Intel Virtualization Technology (VT-x)

Y

Intel Virtualization Technology for Directed I/O (VT-d)

Y

Intel Turbo Boost Max Technology 3.0

N

AVX-512 Fused Multiply-Add (FMA) units

1

Intel® Deep Learning Boost (Intel® DL Boost)

Y

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

N

Intel® Volume Management Device (VMD)

Y

Intel® Optane™ DC Persistent Memory Supported

Y

Intel® vPro™ Platform Eligibility

Y

Intel® Speed Select Technology - Base Frequency (Intel® SST-BF)

N

Operational conditions

Tcase

87 °C

Weight & dimensions

Processor package size

76 x 56.5 mm

Other features

Compatibility

ThinkSystem ST550/ST558