Intel® Xeon® Silver 4509Y Processor 22.5M Cache, 2.60 GHz

CPU Specifications

Total Cores 

8

Total Threads 

16

Max Turbo Frequency 

4.1 GHz

Processor Base Frequency 

2.60 GHz

Cache 

22.5 MB

Intel® UPI Speed

16 GT/s

Max # of UPI Links 

2

TDP 

125 W

Memory Specifications

Max Memory Size (dependent on memory type) 

4 TB

Memory Types 

DDR5 @ 4400 MT/s (1 DPC &2DPC)

Max # of Memory Channels 

8

ECC Memory Supported ^‡ 

Yes

Expansion Options

Scalability

2S

PCI Express Revision 

5

Max # of PCI Express Lanes 

80

Package Specifications

Sockets Supported 

FCLGA4677

Package Carrier

E1B

DTS Max

100 °C

T_CASE 

84

Advanced Technologies

Intel® On Demand Activation Model 

Yes

Intel® Data Streaming Accelerator (DSA)

1 default devices

Intel® Volume Management Device (VMD) 

Yes

Intel® Advanced Matrix Extensions (AMX)

Yes

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

Yes

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

Security & Reliability

Intel® Trust Domain Extensions (Intel® TDX) 

Yes

Intel® Software Guard Extensions (Intel® SGX) 

Yes with Intel® SPS

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

64 GB

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® OS Guard

Yes

Intel® Trusted Execution Technology ^‡ 

Yes

Execute Disable Bit ^‡ 

Yes

Intel® Boot Guard 

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