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Fujitsu D3446-S
  • 243.8mm x 304.8mm
  • max. 80W TDP
  • 0 - 60 °C

Fujitsu D3446-S


The Fujitsu D3446-S industrial ATX mainboard is featured with latest Intel® C236 chipset for workstations and servers. Thus, the board supports both the Intel® Xeon processor and Intel® Core processors of the 6th generation and allows the use of DDR4 memory including ECC function (depending on the used CPU). Thanks to the Intel C236 chipset this model also offers extensive management features such as Intel® AMT and Intel vPro (out-of-band manageability). The board still offers two PCI slots and in addition, it provides PCIe-based SSD modules (AHCI) by means of a M.2 carrier board and supports mSATA based Mini-PCI Express modules.
  • Highlights
  • Specs
  • Order Info
  • Accessories
  • Documents
  • LGA1151 Intel® Skylake-S & XEON Processor max. 80W TDP
  • Intel® HD Graphics (DX12, integrated in processor)
  • DVI-D & 2 x DisplayPort V1.2 (VGA option prepared)
  • 4x DDR4 2133 UDIMM ECC/Non-ECC support, max. 64GB
  • 2 x PCIe x16 , 2x PCI, 3x PCI Express x8 (4 lanes / 1 lane)
  • Dual Intel Gbit LAN (iAMT & Teaming Support)
  • 6x USB3.0, 6x USB 2.0, USB Stick Socket
  • 3x SATA Express (= 6x SATA-3), Parallel Port
  • 8 Bit GPIO Port, mSATA/Mini-PCIe Socket
  • Second COM Port, BIOS-POST/-Boot & OS – HW Watchdog
  • Operating temperature range from 0°C to 60°C
  • Mainboard “Made in Germany”

Technical Data - Fujitsu D3446-S

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Intel® Xeon® E3-1200 V5 processor series

Intel® Core™ i7 / i5 / i3 – (6th gen.) processor series

Intel® Pentium® / Intel® Celeron® processors

Socket LGA1151 – up to 80W TDP


Intel® C236 Express Chipset


4 DIMM Sockets DDR4, max. 64GB, Dual Channel, 2133MHz (CL15), UDIMM, 1.2V/2.5V, 288-pin, ECC (appropriate processor required), non-ECC

Storage Interfaces


1 x mSATA (half-/fullsize); SATA-III (shared with one SATA port)

1 x USB 2.0 socket (stick) onboard


6x USB2.0

6x USB3.0

1x USB2.0 (internal for USB Stick w/ Embedded OS)

Serial Interfaces

2x RS-232

Bus Interfaces

1 x PCIe x16 (Gen. 3),

1 x PCIe x16 (4 Lanes, Gen. 3)

1 x PCIe x8 (1 Lane, Gen. 3)

1 x PCIe x4 (4 Lanes, Gen.3)

1 x PCIe x4 (1 Lane, Gen. 3)

2 x PCI (32-Bit, 33MHz, Rev. 2.3)

1 x Mini-PCIe

Display Controller

Intel® HD Graphics (depends on installed processor), DX12

Display Interfaces

1x DVI-I

2x DisplayPort V1.2

Network Interface

1x Intel i219LM Ethernet Controller,

1x Intel i210AT Ethernet Controller,

with 10/100/1000 MBit/s, iAMT 11 Support,

Wake-on-LAN (WoL) by interesting Packets, Link Status Change and

Magic Packet™, PXE Support, BIOS MAC Address Display, Teaming Support

Audio Interface

Realtek ALC671, 5.1-channel, High Definition Audio Codec

Security Device

TPM V2.0 (Infineon SLB 9665; TCG compliant)



1x Case-Open Intrusion Connector

1x Parallel (EPP/ECP) Pin Connector

1x GPIO 8-Bit

Feature Highlights

Silent Fan: Independent temperature related processor fan and system fan supervision and control

System Guard: View and adjust Silent Fan features

Silent Drives: Noise reduction for optical and hard disk drives

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


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 and PCIe 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 Carrier Board D3352-A1

(PCIe-based SSD modules, AHCI).

BIOS integrated HW Diagnostic Tool

OS Support

Windows 7 32-Bit

Windows 7 64-Bit

Windows 8.1 64-Bit

Windows 10 64-Bit

MS Server 2008 RS2

MS Server 2012 R2

MS Server 2016 (planned)

Linux ( no official support )

Power Requirement

ATX- 24 Pin or ATX- 20 Pin + 4 Pin (12V) Power Connector required


Enhanced operating temperature range (0°C-60°C)


243.8mm x 304.8mm




Active Cooling recommended


2, 4, 8 or 16 GByte DDR4-2133 DIMM modules, unbuffered, non-ECC or ECC (appropriate processor required)


BootLogo, Deskflash, EditCMOS OEM-Ident, SystemGuard, Silent-FanConfigManager, USB FreeDOS Bootstick Tool, LVDS-Tool

Order Reference - Fujitsu D3446-S

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Order No. Description Reference Status  
n/a D3446-S Fujitsu ATX industrial mainboard with Intel C236 Express chipset for Socket 1151 Core ix 6th Gen. CPU D3446-S PV
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PV = Preferred variant; OR = on Request (in OEM quantities only)


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M.2 Carrier Board D3352-A1
Order No. Description Reference
S26361-D3352-A1 PCIe x8 carrier board enables the use of one PCI Express based M.2 SSD module for Fujitsu ATX und µATX Skylake mainboards and Fujitsu D3348-B mainboard D3352-A1

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