|  | 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") |