|  |  | ASMB-781G2-00A1E | ASMB-781G4-00A1E | 
        
            | Form Factor | Form Factor | ATX | ATX | 
        
            | Processor System | CPU | Intel Xeon E3 1275 | Intel Xeon E3 1275 | 
        
            | CPU TDP | Up to 95 W | Up to 95 W | 
        
            | Frequency | Up to 3.4 GHz | Up to 3.4 GHz | 
        
            | Core Number | 4 | 4 | 
        
            | L3 Cache | 8MB | 8MB | 
        
            | BIOS | AMI EFI 64 Mbit | AMI EFI 64 Mbit | 
        
            | Chipset | Intel C206 | Intel C206 | 
        
            | Integrated Graphics | - | - | 
        
            | DMI | - | - | 
        
            | QPI | - | - | 
        
            | Memory | Technology | DDR3 1333 MHz | DDR3 1333 MHz | 
        
            | Capacity | Up to 32 GB (8 GB per DIMM) | Up to 32 GB (8 GB per DIMM) | 
        
            | ECC Support | Yes | Yes | 
        
            | Socket | 4 x 240-pin DIMM | 4 x 240-pin DIMM | 
        
            | REG Support | - | - | 
        
            | Display | Controller | Aspeed AST2300 | Aspeed AST2300 | 
        
            | Graphic Memory | DDR3 64 MB | - | 
        
            | Multiple Display | - | - | 
        
            | Display Interface | VGA: Up to1920 x 1200 | VGA: Up to1920 x 1200 | 
        
            | Expansion Interface | PCI Express x 16 | 2 | 2 | 
        
            | PCI Express x 8 | - | - | 
        
            | PCI Express x 4 | 1 | 1 | 
        
            | PCI Express x 1 | 1 | 1 | 
        
            | PCI | 3 | 3 | 
        
            | LPC | 1 | 1 | 
        
            | SMBus | 1 | 1 | 
        
            | PME | - | - | 
        
            | Ethernet | Controller | LAN1: Intel 82579LM LAN2: Intel 82574L | LAN1: Intel 82579LM LAN2: Intel 82574L LAN3: Intel 82580DB LAN4: Intel 82580DB | 
        
            | Speed | 10/100/1000 Mbps | 10/100/1000 Mbps | 
        
            | Connector | 2 x RJ45 | 4 x RJ45 | 
        
            | WatchDog Timer | Output | System Reset | System Reset | 
        
            | Interval | Programmable 1~255 sec | Programmable 1~255 sec | 
        
            | I/O | SATA | 6 x SATA II (RAID 0, 1, 10) | 6 x SATA II (RAID 0, 1, 10) | 
        
            | SAS Port | - | - | 
        
            | SAS controller | - | - | 
        
            | USB3.0 | - | - | 
        
            | USB2.0 | 10 | 10 | 
        
            | GPIO | 8-bit | 8-bit | 
        
            | LPT | 1 | 1 | 
        
            | COM Port | 1 (RS232) | - | 
        
            | PS/2 Keyboard/Mouse | 1 | 1 | 
        
            | SPDIF | - | - | 
        
            | System Fan | 4 | 4 | 
        
            | Rear I/O Interface | Display | 1 | 1 | 
        
            | LAN | 2 | 4 | 
        
            | USB3.0 | - | - | 
        
            | USB2.0 | 4 | 4 | 
        
            | COM | 1 (RS232) | 1 x RS232 | 
        
            | PS/2 | 2 (1 x Keyboard, 1 x Mouse) | 2 (1 x Keyboard, 1 x Mouse) | 
        
            | DVI | - | - | 
        
            | Ethernet | 2 | 4 | 
        
            | VGA | 1 | 1 | 
        
            | Power Requirement | Voltage | +12 V/+5 V/+3.3 V/+5 VSB/V12_8P/-12 V/ Total | +12 V/+5 V/+3.3 V/+5 VSB/V12_8P/-12 V/ Total | 
        
            | Current | 0.08 A/1.12 A/2.74 A/1.81 A/4.86 A/0.01 A | 0.4 A/1.39 A/4.69 A/1.95 A/3.01 A/0.01 A | 
        
            | Environment | Operational Temperature | 0 ~ 60° C (32 ~ 140° F) (Operational humidity: 40° C @ 95% RH Non-Condensing) | 0 ~ 60° C (32 ~ 140° F) (Operational humidity: 40° C @ 95% RH Non-Condensing) | 
        
            | Non-Operational Temperature | -40~ 85° C and 60° C @ 95% RH Non-Condensing | -40~ 85° C and 60° C @ 95% RH Non-Condensing | 
        
            | Non-Operating Vibration | 3.5 Grms | 3.5 Grms | 
        
            | Physical Characteristics | Dimensions (LxW) | 304.8 x 244 mm (12" x 9.6") | 304.8 x 244 mm (12" x 9.6") | 
        
            | Weight | 0.8 kg (1.8 lb) | 0.8 kg (1.8 lb) | 
        
            | Certification | EMC | CE, FCC | CE, FCC | 
        
            | Management Solution | Software | - | - | 
        
            | Out of band remote management | - | - |