- 6 DDR4 RDIMM up to 192GB
- Multiple expansion: 3 PCIe x16, 3 PCIe x8 (shared w/ PCIe x16), 2 M.2
- Rich I/O: 2 x Intel GbE, 1 x COM, 6 x SATA 3, 5 x USB 2.0, 6 x USB 3.1 Gen1
- 15-Year CPU Life Cycle Support Until Q3' 32 (Based on Intel IOTG Roadmap)
- 1st/2nd Gen Intel® Xeon® Scalable Family
DFI PR611-C621 Intel Xeon Industrial ATX Motherboard w/ 6 DDR4 RDIMM up to 192GB


The DFI PR611-C621 is an industrial ATX motherboard powered by 1st/2nd Gen Intel Xeon scalable family processors. The rich I/O includes 2 x Intel GbE, 1 x COM, 6 x SATA 3, 5 x USB 2.0 and 6 x USB 3.1 Gen1 alongside 3 PCIe x16, 3 PCIe x8 (shared w/ PCIe x16) and 2 M.2 for multiple expansion whilst also containing 6 DDR4 RDIMM for up to 192GB memory.
System | 1st Generation Intel® Xeon® Scalable Processor Family, LGA 3647 Socket 2nd Generation Intel® Xeon® Scalable Processor Family, LGA 3647 Socket |
Graphics | Intel Graphics |
Expansion | 3 x PCIe x16 (Gen 3) 3 x PCIe x8 (Gen 3)(share w/ PCIe x16) 1 x M.2 M key 2280 (SATA/PCIe Gen3 x4 NVMe) 1 x M.2 E key 2230 (USB 2.0/PCIe Gen3 x2) |
Audio | ALC887 |
Ethernet | 2 x Intel® I210AT PCIe (10/100/1000Mbps) IPMI: RTL8211F (opt.) |
Rear I/O | 2 x GbE (RJ-45), 1 x dedicated IPMI LAN (opt.), 1 x RS-232 (DB-9) ,4x USB 3.1 Gen1, 2x USB 2.0 stack (opt.w/ RJ45+USB2.0 stack) |
Internal I/O | 2x USB 2.0 header (2x USB 2.0), 1x USB 2.0 vertical Type A, 1x USB 3.1 Gen1 header (2x USB 3.1 Gen1), 6 x SATA 3.0 (up to 6Gb/s) RAID 0/1/5/10, 1 x SMBus |
Watchdog Timer | System Reset, Programmable via Software from 1 to 255 sec/Min |
Security | TPM 2.0 (opt.) |
Power Type | ATX |
OS Support | Windows 10 IoT Enterprise LTSB RS5(64-bit) Windows Server 2019 Windows Server 2016 Linux |
Environment | Operating: -5 to 65°C Storage: -40 to 85°C |
Mechanism | ATX Form Factor 305mm (12") x 244mm (9.6") |
Packing List | 1 PR611-C621 motherboard 1 I/O shield 2 M.2 screw A32-112016-041G 1 CPU Clip 348-436471-100G |