| Product series: | CPU: | PCIE: |
| OTF-8803H-B1 | Core 4 generation I3/15/17 | Does not support extension |
| OTF-8803H-E1 | Core 4 generation I3/15/17 | 1 x PCleX16 |
| OTF-8803H-E2 | Core 4 generation I3/15/17 | 1 x PCleX16,1 x PCleX4 |
| OTF-8803H-E4 | Core 4 generation I3/15/17 | 1 x PCleX16,3 x PCleX4(PCleX1 in) |
| OTF-8823H-B1 | Core 6th/7th/8th/9th generation I3/15/17 processors | Does not support extension |
| OTF-8823H-E1 | Core 6th/7th/8th/9th generation I3/15/17 processors | 1 x PCleX16 |
| OTF-8823H-E2 | Core 6th/7th/8th/9th generation I3/15/17 processors | 1 x PCleX16,1 x PCleX4 |
| OTF-8823H-E4 | Core 6th/7th/8th/9th generation I3/15/17 processors | 1 x PCleX16,3 x PCleX4(PCleX1 in) |
| OTF-8823H-E4L | Core 6th/7th/8th/9th generation I3/15/17 processors | 1 x PCleX16(Supports full height expansion cards), 3 x PCleX4(PCleX1 in) |
| Specifications |
| CPU | Intel 6th/7th/8th/9th Gen Processors (≤ 45W) |
| Chipset | Intel Q170 Chipset |
| Type | Dual Channel SO-DIMM DDR4 |
| Capacity | 64GB |
| Graphics | Intel HD Graphics based on CPU |
| Interface | 10/100/1000Mbps |
| Ethernet | Intel I211 |
| Connector | 3 x RJ45 |
| M.2 | 1x M.2 for 2280 SSD SATA |
| SATA | 2x SATA 2.5 inches HDD/SSD |
| HDMI | 1 x HDMI |
| DP | 1 x DP |
| VGA | 1 x VGA |
| LINE OUT | 1 x LINE OUT |
| MIC IN | 1 x MIC IN |
| USB3.0 | 8x USB3.1 + (1 x USB3.1 Dongle OnBoard ) |
| USB2.0 | 2 x USB2.0 |
| COM | 4 x RS232 (DB9);2 x RS485 (phoenix) |
| GPIO | 16 bit GPIO |
| Wire Switch | 1 x Wire Switch |
| M.2 | 1 x M.2 Key_B for 2242 4G/5G |
| M.2 | 1 x M.2 Key_E for 2230 Wi-Fi |
| USB2.0 | 2 x USB2.0 |
| SIM | 1 x SIM |
| Connector | DC 16~36V (3-Pin phoenix) |
| Power Type | Single 16~36V DC power input |
| Size (W x H x D) | 220mm x 79mm x 227.5mm |
| Weight | 4.2KG |
| Operating Temp | -10ºC~50ºC |
| Storage Temp | -40ºC~85ºC |
| Operating System | Windows 7 (6th Gen only), Windows 8.1/10, Linux |