VS391M

Processor

Supports 6th/8th/9th generation   Celeron/Pentium/Core i3/i5/i7 processors based on the LGA1151 architecture

Chipset

Intel   Z390 high-speed chipset 

Memory

4x   DDR4 DIMM memory slots, supporting dual-channel 2133/2400/2666MHz memory,   with a maximum capacity of 64GB 

Display

Integrated Intel® HD   Graphics graphics controller, 1x VGA port and 2x HDMI 1.4 ports 

Supports single   display, dual display mode, and extended mode

Network

2x Intel I210AT   Gigabit Ethernet ports, supporting network wake-up and PXE functionality

Note: Can be paired   with the VS250-P4 expansion board to add 4 PoE Ethernet ports

Storage

4x SATA 3.0 hard drive interfaces, with SATA transfer speeds up to 6Gbps

1x M.2 slot, supporting M.2 2280 NVMe PCIe 3.0 x4/SATA specification SSD

Audio

On-board ALC897 7.1+2 high-fidelity   audio controller, supporting Mic and Line Out

Expansion Slots

1x PCIe 3.0 x16

1x PCIe 3.0 x4

5x PCI

1x 80-pin high-speed connector,   including 4x PCIe signals and 1x VGA signal (when paired with the VS250-P4   expansion board)

Backplane I/O Ports

1x HDMI 1.4 interface

6x USB 3.0 ports, supporting 2A current per port   

2x RJ45 Gigabit Ethernet ports 

1x 2-in-1 audio port, supporting Line-out and MIC 

Built-in I/O Ports

1x PS/2 keyboard/mouse port 1x 6-pin 

1x JVGA port 1x 12-pin, either VGA from the 80-pin high-speed connector or   JVGA 

1x JHDMI port 2x 8-pin

6x RS232 serial ports, 2x 5-pin, COM1/2 supports RS485/422 

1x front audio port, 2x 5-pin 

4x USB 2.0 ports, 2x 5-pin 

1x USB 2.0 port, USB Type-A 

1x TPM port, 2x 8-pin 

2x front panel function buttons and indicator lights, 2x 5-pin

1x LPT 2x 13-pin (default printer port,   can be configured as GPIO, requires flashing BIOS with GPIO   configuration) 

1x 24-pin ATX power input interface 

1x 8-pin ATX power input interface 

Fan Ports

1x 4-pin CPU smart fan interface, 4x   4-pin system smart fan interfaces 

BIOS

64MB   Flash ROM

Operating System

Windows 7/10/Linux

Watchdog

Supports hardware   reset function (256 levels, 0–255 seconds)

Power Type

ATX power input

Operating Temperature

0°C to 60°C

Storage Temperature

-20°C to 70°C

Operating Humidity

5%–95% relative   humidity, no condensation

Dimensions

305mm x 245mm (ATX)

1

VS391M VER:1.0

LGA1151

Z390

4*DDR4

1

2

2*I210AT   

11

6

2

ATX