Compare Intel^® Products

Essentials

Product Collection

Vertical Segment

Processor Number

Lithography

Product Collection	Intel® Xeon® D Processor	Intel® Xeon® D Processor	Intel® Xeon® D Processor
Vertical Segment	Server	Server	Server
Processor Number	D-1520	D-1540	D-1541
Lithography	14 nm	14 nm	14 nm

Product Collection	Intel® Xeon® D Processor Intel® Xeon® D Processor Intel® Xeon® D Processor
Vertical Segment	Server Server Server
Processor Number	D-1520 D-1540 D-1541
Lithography	14 nm 14 nm 14 nm

CPU Specifications

Total Cores

Total Threads

Max Turbo Frequency

Intel® Turbo Boost Technology 2.0 Frequency‡

Processor Base Frequency

Cache

TDP

Total Cores	4	8	8
Total Threads	8	16	16
Max Turbo Frequency	2.60 GHz	2.60 GHz	2.70 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡	2.60 GHz	2.60 GHz	2.70 GHz
Processor Base Frequency	2.20 GHz	2.00 GHz	2.10 GHz
Cache	6 MB	12 MB	12 MB
TDP	45 W	45 W	45 W

Total Cores	4 8 8
Total Threads	8 16 16
Max Turbo Frequency	2.60 GHz 2.60 GHz 2.70 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡	2.60 GHz 2.60 GHz 2.70 GHz
Processor Base Frequency	2.20 GHz 2.00 GHz 2.10 GHz
Cache	6 MB 12 MB 12 MB
TDP	45 W 45 W 45 W

Supplemental Information

Marketing Status

Launch Date

Servicing Status

End of Servicing Updates Date

Embedded Options Available

Marketing Status	Discontinued	Discontinued	Discontinued
Launch Date	Q1'15	Q1'15	Q4'15
Servicing Status	End of Servicing Updates	End of Servicing Updates	End of Servicing Updates
End of Servicing Updates Date	Saturday, December 31, 2022	Saturday, December 31, 2022	Saturday, December 31, 2022
Embedded Options Available	No	No	No

Marketing Status	Discontinued Discontinued Discontinued
Launch Date	Q1'15 Q1'15 Q4'15
Servicing Status	End of Servicing Updates End of Servicing Updates End of Servicing Updates
End of Servicing Updates Date	Saturday, December 31, 2022 Saturday, December 31, 2022 Saturday, December 31, 2022
Embedded Options Available	No No No

Memory Specifications

Max Memory Size (dependent on memory type)

Memory Types

Maximum Memory Speed

Max # of Memory Channels

ECC Memory Supported ‡

Max Memory Size (dependent on memory type)	128 GB	128 GB	128 GB
Memory Types	DDR4	DDR4	DDR4, DDR3
Maximum Memory Speed	2133 MHz	2133 MHz	2400 MHz
Max # of Memory Channels	2	2	2
ECC Memory Supported ‡	Yes	Yes	Yes

Max Memory Size (dependent on memory type)	128 GB 128 GB 128 GB
Memory Types	DDR4 DDR4 DDR4, DDR3
Maximum Memory Speed	2133 MHz 2133 MHz 2400 MHz
Max # of Memory Channels	2 2 2
ECC Memory Supported ‡	Yes Yes Yes

Expansion Options

Scalability

PCI Express Revision

PCI Express Configurations ‡

Max # of PCI Express Lanes

Scalability	1S Only	1S Only	1S Only
PCI Express Revision	2.0/3.0	2.0/3.0	2.0/3.0
PCI Express Configurations ‡	x4 x8 x16	x4 x8 x16	x4 x8 x16
Max # of PCI Express Lanes	32	32	32

Scalability	1S Only 1S Only 1S Only
PCI Express Revision	2.0/3.0 2.0/3.0 2.0/3.0
PCI Express Configurations ‡	x4 x8 x16 x4 x8 x16 x4 x8 x16
Max # of PCI Express Lanes	32 32 32

I/O Specifications

# of USB Ports

USB Revision

Total # of SATA Ports

Integrated LAN

General Purpose IO

UART

# of USB Ports	8	8	8
USB Revision	2.0/3.0	2.0/3.0	2.0/3.0
Total # of SATA Ports	6	6	6
Integrated LAN	Yes	Yes	Yes
General Purpose IO	Yes	Yes	Yes
UART	Yes	Yes	Yes

# of USB Ports	8 8 8
USB Revision	2.0/3.0 2.0/3.0 2.0/3.0
Total # of SATA Ports	6 6 6
Integrated LAN	Yes Yes Yes
General Purpose IO	Yes Yes Yes
UART	Yes Yes Yes

Networking Specifications

Interfaces Supported

Interfaces Supported

10GBase-T

10GBase-T

SFI, KR, KX, 1000Base-T, 10GBase-T

Interfaces Supported

10GBase-T 10GBase-T SFI, KR, KX, 1000Base-T, 10GBase-T

Package Specifications

Sockets Supported

Max CPU Configuration

TCASE

Package Size

Sockets Supported	FCBGA1667	FCBGA1667	FCBGA1667
Max CPU Configuration	1	1	1
TCASE	80°C	80°C
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm	37.5mm x 37.5mm

Sockets Supported	FCBGA1667 FCBGA1667 FCBGA1667
Max CPU Configuration	1 1 1
TCASE	80°C 80°C
Package Size	37.5mm x 37.5mm 37.5mm x 37.5mm 37.5mm x 37.5mm

Advanced Technologies

Intel® Turbo Boost Technology ‡

Intel® Hyper-Threading Technology ‡

Intel® Transactional Synchronization Extensions

Intel® 64 ‡

Instruction Set

Instruction Set Extensions

Idle States

Enhanced Intel SpeedStep® Technology

Thermal Monitoring Technologies

Intel® Turbo Boost Technology ‡	2.0	2.0	2.0
Intel® Hyper-Threading Technology ‡	Yes	Yes	Yes
Intel® Transactional Synchronization Extensions	Yes	Yes	Yes
Intel® 64 ‡	Yes	Yes	Yes
Instruction Set	64-bit	64-bit	64-bit
Instruction Set Extensions	Intel® AVX2	Intel® AVX2	Intel® AVX2
Idle States	Yes	Yes	Yes
Enhanced Intel SpeedStep® Technology	Yes	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes	Yes

Intel® Turbo Boost Technology ‡	2.0 2.0 2.0
Intel® Hyper-Threading Technology ‡	Yes Yes Yes
Intel® Transactional Synchronization Extensions	Yes Yes Yes
Intel® 64 ‡	Yes Yes Yes
Instruction Set	64-bit 64-bit 64-bit
Instruction Set Extensions	Intel® AVX2 Intel® AVX2 Intel® AVX2
Idle States	Yes Yes Yes
Enhanced Intel SpeedStep® Technology	Yes Yes Yes
Thermal Monitoring Technologies	Yes Yes Yes

Security & Reliability

Intel® Secure Key

Intel® AES New Instructions

Intel® Trusted Execution Technology ‡

Execute Disable Bit ‡

Intel® OS Guard

Intel® Virtualization Technology (VT-x) ‡

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

Intel® VT-x with Extended Page Tables (EPT) ‡

Intel® Secure Key	Yes	Yes	Yes
Intel® AES New Instructions	Yes	Yes	Yes
Intel® Trusted Execution Technology ‡	Yes	Yes	Yes
Execute Disable Bit ‡	Yes	Yes	Yes
Intel® OS Guard	Yes	Yes	Yes
Intel® Virtualization Technology (VT-x) ‡	Yes	Yes	Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡	Yes	Yes	Yes
Intel® VT-x with Extended Page Tables (EPT) ‡	Yes	Yes	Yes

Intel® Secure Key	Yes Yes Yes
Intel® AES New Instructions	Yes Yes Yes
Intel® Trusted Execution Technology ‡	Yes Yes Yes
Execute Disable Bit ‡	Yes Yes Yes
Intel® OS Guard	Yes Yes Yes
Intel® Virtualization Technology (VT-x) ‡	Yes Yes Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡	Yes Yes Yes
Intel® VT-x with Extended Page Tables (EPT) ‡	Yes Yes Yes