Check the listing for details. Supermicro A2SDi-16C-HLN4F Mini-ITX Motherboard - Intel Atom Processor C3955. Condition: New. Listed at 1199.99 USD. Key Features Intel Atom Processor C3955, Single Socket FCBGA1310 supported, CPU TDP support 32WSystem on ChipUp to 256GB Registered ECC DDR4-2400MHz, Up to 64GB Unbuffered ECC/Non-ECC DDR4-2400MHz; in 4 DIMM slotsExpansion slots: 1 PCI-E 3.0 x4, M.2 Interface: PCI-E 3.0 x2 and SATA M.2 Form Factor: 2242, 2280 M.2 Key: M-Key4 GbE LAN ports12 SATA3 (6 Gbps) portsI/O: 1 VGA, 1 COM, TPM header1 USB 3.0 (Type-A) 4 USB 2.0 (2 rear, 2 via headers)Supports 12V DC power input Product SKUs MBD-A2SDi-16C-HLN4F A2SDi-16C-HLN4F Physical Stats Form Factor Mini-ITX Dimensions 6.7" x 6.7" (17.02cm x 17.02cm) Processor/Cache CPU Intel® Atom™ Processor C3955.Single Socket FCBGA1310 supported, CPU TDP support 32W Cores / Cache 16 cores, 16 threads / 16MB cache System Memory Memory Capacity Up to 256GB Registered ECC RDIMM and DDR4-2400MHzUp to 64GB Unbuffered ECC/non-ECC UDIMM, DDR4-2400MHz, in 4 DIMM slots Memory Type 2400/2133/1866/1600MHz DIMM Sizes 4GB, 8GB, 16GB, 32GB, 64GB Memory Voltage 1.2V Error Detection Corrects single-bit errors Detects double-bit errors (using ECC memory) On-Board Devices Chipset System on Chip SATA SoC controller for 12 SATA3 (6 Gbps) ports; IPMI ASPEED AST2400 BMC Network Controllers Quad LAN with Intel® C3000 SoC 1GbE Graphics Aspeed AST2400 BMC Input / Output LAN 4 RJ45 Gigabit Ethernet LAN ports USB 4 USB 2.0 ports (2 rear + 2 headers),1 USB 3.0 ports ( + 1 Type A) Video Output 1 VGA port Serial Port / Header 1 COM Port (1 header) TPM TPM Header Expansion Slots PCI-E 1 PCI-E 3.0 x4 M.2 Interface: PCI-E 3.0 x2 and SATAForm Factor: M-Key 2242, 2280 System BIOS BIOS Type AMI UEFI BIOS Features UEFI 2.4SMBIOS 2.7.1 Management Software IPMI2.0, KVM with dedicated LAN, NMI, SuperDoctor® 5, Watchdog Power Configurations ATX Power connector+12V DC Power InputCPU thermal trip support for processor protectionPower-on mode for AC power recovery PC Health Monitoring Voltage +12V, +3.3V, +5V, +5V standby, 1.05 (PCH), 1.2V (VDIMM), 3.3V standby, 4 -fan status, 4 fans with tachometer monitoring, Chassis intrusion header, Monitors CPU voltages, Supports system management utility, System level control, System temperature, VBAT FAN 4x 4-pin fan headers (up to 4 fans), 4 fans with tachometer monitoring, Dual Cooling Zone, Fan speed control, Pulse Width Modulated (PWM) fan connectors, Status monitoring for speed control, Support 3-pin fans (w/o speed control), System level control, Thermal control tachometer fan connectors Temperature CPU thermal trip support LED UID/Remote UID Other Features 12V DC or ATX Power Source, 4-pin 12v DC power connector, ATX Power connector, Chassis intrusion detection, Chassis intrusion header, Control of power-on for recovery from AC power loss, CPU thermal trip support for processor protection, Dual Cooling Zones, Innovation Engine, M.2 NGFF connector, RoHS, SDDC, System level control, UID, WOL Operating Environment Operating Temperature Range 0°C ~ 60°C (32°F ~ 140°F) Non-Operating Temperature Range -40°C - 85°C (-40°F - 185°F) Operating Relative Humidity Range 10% ~ 85% (non-condensing) Non-Operating Relative Humidity Range 10% ~ 95% (non-condensing) Parts List (Retail Package) Name Part Number Qty Description MotherboardMBD-A2SDi-16C-HLN4F1A2SDi-16C-HLN4F MotherboardQRGMNL-1951-QRG1Motherboard Quick Reference GuideSATA Cables CBL-0044L457.5CM SATA FLAT S-S PBFSATA CablesCBL-SAST-06162MINI SAS HD-4 SATA, INT, 50CM, 50CM SB, 30AWG I/O ShieldMCP-260-00084-0N1Standard I/O Shield for A2SDi-16C-HLN4F