Fujitsu D3446-S21 S1151 C236/2xGBL/vPro/M.2/ATX/24-7 Industrial extended Lifecycle - Mainboard - Intel Sockel 1151 (Core i)

Industrial environments demand a motherboard that won't quit—extended temperature operation, always-on reliability, and long-term availability. The Fujitsu D3446-S21 answers that call with an Intel C236 chipset and LGA1151 socket, engineered for 24/7 operation and an extended lifecycle, making it the backbone for industrial PCs, servers, and workstations that cannot afford downtime.

Who is it for

System integrators and industrial users building always-on systems: factory automation, medical imaging, digital signage, or small business servers. It supports Intel Xeon E3-1200 v5/v6 and 6th/7th Gen Core processors, with ECC memory support for data integrity when paired with a Xeon CPU.

Main features

• Intel C236 chipset with LGA1151 socket for Xeon E3-1200 v5/v6 and 6th/7th Gen Core processors
• Dual Intel I210AT Gigabit Ethernet for redundant or teamed networking
• Intel vPro technology for remote management and security
• M.2 slot (PCIe Gen3 x4) for high-speed NVMe storage
• ECC and non-ECC DDR4 memory support (CPU dependent), up to 64 GB
• 24/7 operation certified and extended lifecycle for industrial reliability
• ATX form factor with PCIe 3.0 x16, PCIe x4, PCIe x1, and legacy PCI slot
• Rich connectivity: 6x SATA III, 4x USB 3.0 rear, 2x USB 2.0 rear, DVI-D, DisplayPort

Specifications

• Form Factor: ATX
• Socket: Intel LGA1151
• Chipset: Intel C236
• Memory: 4x DDR4 DIMM, max 64 GB, ECC/non-ECC (CPU dependent)
• LAN: 2x Intel I210AT Gigabit Ethernet
• Storage: 6x SATA III 6Gb/s, 1x M.2 (PCIe Gen3 x4)
• Expansion: 1x PCIe 3.0 x16, 1x PCIe 3.0 x4 (open-ended x16), 1x PCIe 3.0 x1, 1x PCI
• Rear USB: 4x USB 3.0, 2x USB 2.0
• Video: 1x DVI-D, 1x DisplayPort (requires CPU with integrated graphics)
• Audio: Realtek ALC671 codec
• Special Features: Intel vPro, 24/7 operation, extended lifecycle

Tips

Pair this board with a Xeon E3-1200 v5/v6 and ECC DDR4 for a rock-solid server foundation. The dual Intel LAN ports support teaming for failover or load balancing. For industrial enclosures, ensure adequate airflow despite the board's robust design. The M.2 slot is ideal for a fast boot drive, while the six SATA ports handle bulk storage.