
Data Sheet FUJITSU Mainboard D3674-B Thin Mini-ITX
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Data Sheet
FUJITSU Mainboard D3674-B Thin Mini-ITX
Extended Lifecycle Series
Powered by the Intel® H310 Express Chipset supporting DDR4-2666 SDRAM Memory
and Intel® 8th & 9th generation CoreTM i3 / i5 / i7 / i9 Processors.
Designed and approved for 24/7 continuous operation @ 50°C
Chipset:
Intel® H310 Express Chipset
Processors:
Intel® Core™ i7 / i5 / i3 (8th gen.) processor series
Intel® Core™ i9 / i7 / i5 / i3 (9th gen.) processor series
Intel® Pentium® / Intel® Celeron® processor series
Socket LGA1151 – up to 65W TDP
Memory:
DDR4-2666, Dual Channel
2 SO-DIMM sockets, up to 32GB memory
Product Features:
cTPD – Easy & flexible reduction of CPU TDP
Intel® HD Graphics (DX12, integrated in processor)
HDMI V1.4, DP V1.2 and Dual Channel LVDS support
8 Bit GPIO & multichannel Audio onboard
USB 2.0 and USB3.1 Gen1 onboard
Onboard support for M.2 SSD (PCIe x4 based M.2 2280)
Onboard support for M.2 WLAN/Bluetooth (M.2 2230)
Realtek GbE LAN onboard
Intel integrated TPM V2.0 onboard
Dual-Range DC Power Supply 12V / 19-24V
HW Watchdog onboard

Data Sheet
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Thin Mini-ITX: 6.7“ x 6.7“ (170 x 170 mm)
Intel® H310 Express Chipset
2 x SO DIMM Socket (1.2V), max. 32GB, Dual Channel,
DDR4 - 2666 (CL19) / DDR4 – 2400 (CL17) SDRAM, unbuffered, non-ECC
Effective memory speed depends on installed processor
Intel® Core™ i7 / i5 / i3 – (8th generation) processor series
Intel® Core™ i9 / i7 / i5 / i3 (9th generation) processor series1
Intel® Pentium® / Intel Celeron® processor series
Socket LGA1151, max. 65W TDP
(For details on supported processors please refer to OEM FTP Server)
External DC Input 19-24V
Internal DC Input 12V or 19-24V
Onboard high-efficiency CPU Core Voltage Regulator
Power Supply Requirements
For onboard components (worst case incl. processor, memory and any attached internal
and external devices like M.2 devices, SATA devices, LVDS panels, USB devices.
1) LVDS backlight (19/24V) not included in 130W limit. See TechNotes document for further details.
Possible surge current (CPU Turbo mode) must be considered for system design!
Mainboard
Capacitive Load
Max. Mainboard
Input Power
Internal (2 pin)
connector
Internal (4 pin)
connector
AMI Aptio 5.x (UEFI) BIOS
modified and adapted by Fujitsu Technology Solutions; Recovery BIOS, SM-BIOS (DMI), BIOS and
CPU Microcode Update, Quick Boot, Logo Boot, Quiet Boot, Plug & Play, Automatic DRAM Configuration, BIOS Support for S.M.A.R.T., Advanced Power Management, ACPI S3/S4, Wake on time
from S5. Boot support for M.2 SSD (PCIe x4-based M.2, NVME)
BIOS integrated HW Diagnostic Tool, Watchdog Support
No legacy OS support, no MBR installation (UEFI only due to Intel restrictions)
Recovery BIOS, System and BIOS Password, Boot Sequence Control, Serial- / USB- Port Access
Protection, Boot Sector Virus Warning, Write Protection for Flash BIOS, EraseDisk (BIOS Feature),
Intel integrated TPM V2.0, optional Infineon TPM module (TCG compliant, socket prepared)
1 Appropriate BIOS version supporting CoffeeLake-Refresh processors required
FUJITSU Mainboard D3674-B Thin Mini-ITX

Data Sheet
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cTDP
Easy & flexible reduction of CPU TDP (BIOS Setup)
down to 10W TDP
Silent Fan Independent temperature related processor fan and
system fan supervision
System Guard View Silent Fan features
Recovery BIOS Restores a corrupted BIOS
Desk Update Simple driver update with Driver & Utilities DVD
Multi Boot Comfortable boot from any boot device
HDD Password Access protection for disk drives
Always On Reliable power-on whenever voltage is connected
Never Off Option to prevent the system from being shut down
CSA / UL Compliance Upon request: cTÜVus acc. IEC62368-1
FCC Compliance FCC-B verified
OS “Runnable” “Tested/Released by Fujitsu”
MS Windows 7 -- -MS Windows 10 RS3 X X
MS Windows 10 RS4 X X
MS Windows 10 RS5 X X
Linux-64 X
Important Note:
Legacy OS / MBR installation (DOS, MS Windows 7, …) is not supported due to Intel restrictions
Intel® HD Graphics (depends on installed processor), DX12
1 x DisplayPort V1.2
1x HDMI V1.4,
Dual-Channel 24bit LVDS
Max. 2 independent displays
Realtek ALC255, 5.1-channel, High Definition Audio Codec, 2W@4Ohm stereo speaker support
LVDS Controller Realtek RTD2136R (DisplayPort to LVDS converter)
LAN Realtek RTL8111E with 10/100/1000 MBit/s,
Wake-on-LAN (WoL) by interesting Packets, Link Status Change and
Magic Packet™, PXE support, BIOS MAC Address Display
2 x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI
M.2 2280 Key-M for PCIe-based SSD NVME modules; 4 x PCIe Gen2 lanes
M.2 2230 Key-E for PCIe/USB-based WLAN/Bluetooth modules; 1 x PCIe Gen2, 1 x USB2.0
Longlife components for 24 / 7 continuous operation @ 50°C
Revision control & Extended Lifecycle (min. 3 years)
FUJITSU Mainboard D3674-B Thin Mini-ITX

Data Sheet
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DP V1.2 / 2nd DP V1.2 / LVDS / HDMI 1.4 / eDP
Buzzer / int. Speaker Support (stereo) / 5.1 Multichannel Audio
LAN Gbit / 100 Mbit / 10 Mbit / WoL / LAN Boot
iAMT 12.0 vPro / Intel Standard Manageability / DASH V1.1
SATA / RAID / eSATA-Support / mSATA / M.2 SSD (PCIe)
USB 2.0 / USB 3.1 gen1 / USB 3.1 gen2
FAN monitored & controlled PSU / CPU / AUX1 / AUX2
TEMP monitored CPU / onboard sensors / external sensor
Silent Fan / System Guard / cTDP
Recovery BIOS / Desk Update / Multi Boot
HDD Password / EraseDisk2 / TPM V2.0
Logo Boot Option / Intel On Screen Branding
High Efficiency Core Voltage Regulator Design
BIOS POST- / BIOS Boot- / OS- HW Watchdog
Operating Mode 24-7 / 8-5 (hrs per day - days per week)
Mainboard operating temperature range (chassis inside)3
SO DIMM Sockets (DDR4-2666)
SATA-600 / mSATA / M.2 SSD 2280 (Key-M, PCIe/NVME)
M.2 2230 (Key-E, PCIe & USB2.0 for WLAN/Bluetooth)
Frontpanel Audio (9-Pin, HD Audio)
USB 2.0 channels / USB 3.1 Gen1 channels / USB 3.1 Gen2 / USB Stick
Serial (COM1, RS232)/ Parallel Port Connector
LVDS / LVDS Backlight / Embedded DisplayPort
FAN PSU / CPU (PWM) / AUX1 (PWM) / AUX2
Intrusion (Case Open) / GPIO (8Bit) / SMBus (Case Temp.)
Internal Stereo Speakers header / DMIC header (digital microphone)
Front Panel (Power Switch, Reset Switch, LEDs, Intel 10 pin header)
Onboard SATA Drive Power Connector
Onboard (internal) DC-In Connector 12V (4 pin) / 19-24V (2 pin)
DVI-I / DVI-D / DisplayPort V1.2 / HDMI V1.4
Audio Mic. In / Line in / Line out (or driver configuration)
USB 2.0 / USB 3.1 Gen1 / USB 3.1 Gen2
DC-In connector (external input) 19-24V @ 10A max.
2 Planned for factory shipments from 06/2019
FUJITSU Mainboard D3674-B Thin Mini-ITX
Forced cooling required, see technical documentation for details

Data Sheet
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Connector / Socket Diagram
2 x USB 2.0 2 x USB 3.1 Gen1 LAN
19/24V DC-IN HDMI V1.4 1 x DisplayPort V1.2 PS/2 Keyboard Audio
FUJITSU Mainboard D3674-B Thin Mini-ITX

Data Sheet
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Active Heatsink + Backplate (35W TDP)
COM1 Extension Cable
(120mm, w/o slot bracket)
COM1 Extension Cable
(400mm, fullsize slot bracket)
Contact:
Fujitsu Components Europe, B.V.
Tel.: +31 (0)23 556 0910
Fax: +31 (0)23 556 0950
Website: emea.fujitsu.com/components
Address: Diamantlaan 25
2132 WV Hoofddorp
Netherlands
FUJITSU Mainboard D3674-B Thin Mini-ITX
Further industrial products offered by Fujitsu
• Connectors
• KVM Switches
• Relays
• Touch Panels
• Thermal Printers
• Wireless Modules 24 Volt Kiosk Printers Multi-Input Touch Panels

Data Sheet
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/ i5 / i3 are trademarks or registered trademarks of Intel Corporation in America and
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Contact
Fujitsu Technology Solutions GmbH
OEM Mainboard Sales
Email: oem-sales@ts.fujitsu.com
Website: http://ts.fujitsu.com
2019-04-02
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availability. Any liability that the data and illustrations are complete, actual or correct is excluded. Designations
may be trademarks and/or copyrights of the respective manufacturer, the use of which by third parties for their
own purposes may infringe the rights of such owner.
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FUJITSU Mainboard D3674-B Thin Mini-ITX