|   | 
            AIMB-290G2-S3A1E | 
            AIMB-275L-00A1E | 
            AIMB-290G4-S1A1E | 
        
        
            | Processor | 
            CPU | 
            Intel C3558 | 
            Intel C3558 | 
            Intel C3558 | 
        
        
            | CPU TDP | 
            65W / 35W | 
            65W / 35W | 
            65W / 35W | 
        
        
            | Frequency | 
            2.2GHz | 
            2.0GHz | 
            2.2GHz | 
        
        
            | Core Number | 
            2C | 
              | 
              | 
        
        
            | 16C | 
            16C | 
        
        
            | L2 Cache | 
            8MB | 
              | 
              | 
        
        
            | 16MB | 
            16MB | 
        
        
            | BIOS | 
            AMI EFI 128 Mbit BIOS | 
            AMI EFI 128 Mbit BIOS | 
            AMI EFI 128 Mbit BIOS | 
        
        
            | Memory | 
            Technology | 
            Dual Channel, DDR4   1600/1866/2133/2400MHz ECC/Non-ECC with 288-pin U-DIMM/R-DIMMM | 
            Dual Channel, DDR4   1600/1866/2133/2400MHz ECC/Non-ECC with 288-pin U-DIMM/R-DIMM | 
            Dual Channel, DDR4   1600/1866/2133/2400MHz ECC/Non-ECC with 288-pin U-DIMM/R-DIMM | 
        
        
            | Max.   Capacity | 
            16GB/per DIMM for DDR4 non-ECC/ECC   2400MHz with U-DIMM, 32GB/per DIMM for DDR4 ECC 2400MHz with R-DIMM | 
            16GB/per DIMM for DDR4 non-ECC/ECC   2400MHz with U-DIMM, 32GB/per DIMM for DDR4 ECC 2400MHz with R-DIMM | 
            16GB/per DIMM for DDR4 non-ECC/ECC   2400MHz with U-DIMM, 32GB/per DIMM for DDR4 ECC 2400MHz with R-DIMM | 
        
        
            | Socket | 
            2 x 288 pin DIMM | 
            2 x 288 pin DIMM | 
            2 x 288 pin DIMM | 
        
        
            | Ethernet | 
            Controller | 
            LAN1: Intel i219LM / LAN2:   Intel I211at | 
            Intel i219LM | 
            Intel i219LM | 
        
        
            | Speed | 
            10/ 100/ 1000 Mbps | 
            10/ 100/ 1000 Mbps | 
            10/ 100/ 1000 Mbps | 
        
        
            | Connector | 
            RJ45 x 2 | 
            RJ45 x 1 | 
            RJ45 x 1 | 
        
        
            | Watchdog   Timer | 
            Interval | 
            Programmable 1 ~ 255 sec/min | 
            Programmable 1 ~ 255 sec/min | 
            Programmable 1 ~ 255 sec/min | 
        
        
            | Storage | 
            SATA | 
            6 x SATAIII (Max. Data Transfer   Rate 600 MB/s) | 
            6 x SATAIII (Max. Data Transfer   Rate 600 MB/s) | 
            6 x SATAIII (Max. Data Transfer   Rate 600 MB/s) | 
        
        
            | I/O | 
            VGA | 
            1 (D-sub 15-pin) | 
            1 (D-sub 15-pin) | 
            1 (D-sub 15-pin) | 
        
        
            | Ethernet | 
            2x RJ-45 | 
            5x RJ-45 | 
            5x RJ-45 | 
        
        
            | USB | 
            4 (3x USB3.0,1x USB2.0) | 
            4 (3x USB3.0,1x USB2.0) | 
            4 (3x USB3.0,1x USB2.0) | 
        
        
            | Audio | 
            N/A | 
            N/A | 
            N/A | 
        
        
            | Serial   port | 
            1 x RS-232 | 
            1 x RS-232 | 
            1 x RS-232 | 
        
        
            | Power Requirement | 
            Input Voltage | 
            24-pin ATX or 4-pin 12V DC-in | 
            24-pin ATX or 4-pin 12V DC-in | 
            24-pin ATX or 4-pin 12V DC-in | 
        
        
            | Power   Consumption | 
            Intel C3958 + 32GB RAM + 64GB SSD:   35W | 
            Intel C3958 + 32GB RAM + 64GB SSD:   35W | 
            Intel C3958 + 32GB RAM + 64GB SSD:   35W | 
        
        
            | Environment | 
            Non-Operational Temperature | 
            -40 ~ 85° C (-10 ~ 185° F) | 
            -40 ~ 85° C (-10 ~ 185° F) | 
            -40 ~ 85° C (-10 ~ 185° F) | 
        
        
            | Operating   Temperature | 
            0 ~ 60° C (32 ~ 140° F) (Use   AIMB-290 STD cooler and System Fan for 10GbE IC) | 
            0 ~ 60° C (32 ~ 140° F) (Use   AIMB-290 STD cooler and System Fan for 10GbE IC) | 
            0 ~ 60° C (32 ~ 140° F) (Use   AIMB-290 STD cooler and System Fan for 10GbE IC) | 
        
        
            | Physical | 
            Dimensions (L x W) | 
            170 mm x 170 mm (6.69" x   6.69") | 
            170 mm x 170 mm (6.69" x   6.69") | 
            170 mm x 170 mm (6.69" x   6.69") |