MB Physical Status Form Factor - mATX Dimensions - 9.6 x 9.6 (24.4 cm x24.4 cm) Processor System CPU - Supports Intel Xeon E-2100 Series Processor Chipset - Intel C242 System Memory Capacity - 4 x 288-pin DDR4 DIMM slots - Support up to 128GB DDR4 ECC/non-ECC UDIMM Future support for 32GB via a BIOS update in 2019 Type - Dual Channel DDR4 memory technology - Supports DDR4 2666/2400 ECC/non-ECC U DIMM DIMM Size Per DIMM - ECC and non-ECC UDIMM: 4GB, 8GB, 16GB, 32GB Future support for 32GB via a BIOS update in Oct DIMM Frequency - Non-ECC UDIMM: 2666/2400/2133 MHz - ECC UDIMM: 2666/2400/2133 MHz Voltage - 1.2V Expansion Slot PCIe 3.0 x 16 - Slot 6: Gen3 x16 link, auto switch to x8 link if Slot 4 is occupied (Physical x16, EE x16/x8 (from CPU), shared with Slot 4) PCIe 3.0 x 8 - Slot 4: Gen3 x8 link (Physical x8, EE x0/x8 (from CPU), shared with Slot 6) PCIe 3.0 x 1 - Slot 7: Gen3 x1 link (Physical x1, EEx1 (from PCH)) Storage SATA Controller - 6 x SATA3 6Gb/s (SATA0-5, SATA_0 supports SATA DOM) - 5 x SATA3 6Gb/s (SATA1-5) and 1 x M.2 SSD SATA connected The M.2 slot (M2_1) is shared with the SATA_0 connector. When M2_1 is populated with a M.2 SATA3 module, the Pin 7 of SATA_0 is disabled. Ethernet Interface - 10000/1000 /100 /10 Mbps LAN Controller - 2 x RJ45 10G base-T by Intel X550-AT2 - 1 x RJ45 Dedicated IPMI LAN port by RTL8211E - Supports Wake-On-LAN - Supports Energy Efficient Ethernet 802.3az - Supports Dual LAN with Teaming function - Supports PXE - LAN1 supports NCSI Management BMC Controller - ASPEED AST2500 IPMI Dedicated GLAN - 1 x Realtek RTL8211E for dedicated management GLAN Features - Watch Dog - NMI Graphics Controller - ASPEED AST2500 VRAM - DDR4 16MB Rear Panel I/O HDMI - NA VGA Port - 1 x D-Sub USB 3.1 Gen1 Port - 2 USB 3.1 Gen2 Port - 2 Lan Port - 2 +1 RJ45 Gigabit Ethernet LAN ports - LAN Ports with LED (ACT/LINK LED and SPEED LED) Serial Port - 1 UID Button/UID LED - 1 Internal Connector SATA DOM - 1 (shared with M.2) M.2 - (2230/2242/2260/2280, Supports PCIE3.0(X4)/SATA3) Auxiliary Panel Header - 1 (includes chassis intrusion, location button and LED, and front LAN LED) TR1 Header - 1 TPM Header - 1 IPMB Header - 1 Buzzer - 1 Fan Header - 6(1CPU/3Front/2Rear) ATX Power - 1x (24-pin) + 1x (8-pin) USB 3.1 (Gen1) Header - 1 (supports 2 USB 3.1 Gen1 ports) USB 2.0 Header - 1 (supports 2 USB 2.0 ports) PSU SMB Header - 1 Front Panel - 1 (RST, PWRBTN, HDDLED, PWRLED) BMC_SMB Header - 1 SGPIO Header - 2 ME/SPS Recovery - 1 Clear CMOS - 1 (header and short pin) Onboard LED Fan Fail LED - 1 (Header) System BIOS BIOS Type - 256 Mb AMI UEFI Legal BIOS BIOS Features - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events - SMBIOS 2.8.0 Support - ASRock Rack Instant Flash Hardware Monitor Temperature - CPU/PCH/DDR/LAN/Storage Temperature Sensing - MB/Card side/TR1 Temperature Sensing Fan - CPU/Rear/Front Fan Tachometer - CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) - CPU/Rear/Front Fan Multi-Speed Control Voltage - Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, 1.05V_PCH, +BAT, 3VSB, 5VSB Support OS OS Microsoft Windows - Server 2016 (64 bit) Linux - RedHat Enterprise Linux Server 6.9 (64 bit) / 7.4 (64 bit) - SUSE Enterprise Linux Server 12 SP1 (64 bit) / 12 SP3 (64 bit) - Ubuntu 15.10 (64 bit) / 16.04 (64 bit) Environment Temperature Operation temperature: 10oC 35oC / Non operation temperature: -40oC 70oC Item Dimension (L"xW"xH") NA