| Model | 
| Model | – JNMF891-H310 | 
| Part Number | – JNMF891-H310 | 
| Form Factor | 
| Dimensions | – Micro ATX (244 * 244mm) | 
| Processor System | 
| CPU | – Intel® LGA1151 Socket Gen8 Coffee Lake Core i3, i5, i7 & Pentium Processors (Max. 65W TDP) 
 | 
| Core Number | – (By CPU) | 
| Max Speed | – (By CPU) | 
| L2 Cache | – (By CPU) | 
| Chipset | – Intel H310 Chipset | 
| BIOS | – AMI 64Mb Flash ROM | 
| Expansion Slot | 
| PCI | – 2 | 
| Mini-PCIe | – 1 (full size) | 
| PCIe | – 1 * PCIe x16 & 1 * PCIe x 1 | 
| M.2 | – 1 (M-key, 2242/2260/2280/22110, SATA Interface) 
 | 
| SIM Card Holder | – 1 | 
| Memory | 
| Technology | – Dual Channel DDR4 2666MHz | 
| Max. | – 32GB | 
| Socket | – 2 * UDIMM | 
| Graphics | 
| Controller | – by CPU | 
| VRAM | – Shared Memory | 
| VGA | – 1 (Max. Resolution : 1920*1200@60Hz) | 
| DVI-D | – 1 (Max. Resolution : 1920*1200@60Hz) | 
| HDMI | – 1 (Max. Resolution : 4096×2304@24Hz) | 
| DP | – 1 (Max. Resolution : 4096×2304@60Hz) | 
| Multi Display | – Dual Display | 
| Controller | – by CPU | 
| Ethernet | 
| Ethernet | – 10/100/1000 Mbps | 
| Controller | – PCIe GbE: Realtek RTL8111H | 
| Connector | – 2 * RJ45 | 
| Audio | 
| CODEC | – HD Audio: Realtek ALC662VD | 
| Channel | – 6 Channel | 
| SATA | 
| Max Data Transfer Rate | – 3 * SATAIII (6.0Gb/s) and 1 * M.2 | 
| Rear I/O | 
| VGA | – 1 | 
| DVI-D | – 1 | 
| HDMI | – 1 | 
| DP | – 1 | 
| Ethernet | – 2 | 
| USB | – 4 * USB 3.1(Gen 1), 2 * USB 2.0 | 
| Audio | – 1 (Line-in, Line-out, MIC) | 
| Serial | – 1 (COM1 support RS232/422/485 ) | 
| Internal Connector | 
| USB | – 2 * USB 2.0 | 
| Serial | – 9 (COM2 support RS232/422/485) | 
| SATA | – 3 | 
| mPCIe | – 1 (full size) | 
| M.2 | – 1 (M-key, 2242/2260/2280/22110, SATA Interface) 
 | 
| SIM card holder | – 1 | 
| Chassis intrusion | – 1 | 
| PS/2 | – 1 | 
| GPIO | – 1 (8 bit) | 
| Audio Header | – 1 | 
| SMBUS | – 1 | 
| AT mode | – 1 | 
| TPM | – 1 (1.2/2.0 onboard option) | 
| Watchdog Timer | 
| Output | – From Super I/O to drag RESETCON# | 
| Interval | – 256 segments, 10sec…255min | 
| Power Requirements | 
| Input PWR | – 24 pin/8 pin ATX PWR Connector | 
| Power On | AT/ATX Supported – AT : Directly PWR on as Power input ready
 – ATX: Press Button to PWR on after Power input ready
 | 
| Certifications | 
| Certifications | – CE, FCC, RoHS, REACH | 
| Environment | 
| Temperature | – Operating: 0°C ~ 60°C | 
| – Storage: -20°C ~ 85°C | 
| Warranty | 
| Warranty | – 2 Years Limited Warranty |