Qotom compact mini motherboard powered by Intel 4th Gen Haswell-U/Y and 5th Gen Broadwell-U processors. Features 1 x HDMI, RS-232, USB 3.0/2.0, Mini-PCIe, mSATA, and 4 x Intel 2.5G LAN ports (I225-V/I226-V), ideal for soft routers, firewalls, and network appliances.
Intel 4th Haswell –U/Y Processor
Intel 5th Broadwell-U Processor
1 × HDMI, 1 × RS-232
2 × USB 3.0, 2 × USB 2.0, 1 × SATA 3.0
1 × Mini-PCIe, 1 × mSATA
4 × Intel I225-V/I226-V 2.5 Gigabit LAN
| Processor System | |
| Dimension | 148 × 104mm |
| CPU | Intel 4thHaswell –U/Y Processor Intel 5thBroadwell-U Processor |
| Core Number | By CPU |
| Max. Speed | By CPU |
| L2 Cache | By CPU |
| Chipset | By CPU |
| BIOS | UEFI |
| Expansion Slot | |
| Mini-PCIe | 1 × Mini PCIe Full-length Mini PCIe for 4G Half-length Mini PCIe for Wi-Fi by Default |
| mSATA | 1 × Full-length Mini PCIe for SSD |
| Memory | |
| Technology | DDR3L 1333/1600MHz SDRAM |
| Max. | 8GB |
| Socket | 1 × SO-DIMM |
| Graphics | |
| Controller | By CPU |
| VRAM | Shared Memory |
| HDMI | 1 (Support HDMI 1.4a) |
| Multi Display | No |
| Ethernet | |
| Interface | 100/1000/2500Mbps |
| Controller | 4 × Intel I225-V/I226-V 2.5 Gigabit LAN |
| Connector | 4 × RJ-45 |
| Audio | |
| Controller | Realtek HD Audio (Option) |
| SATA | |
| Max. Data Transfer Rate | SATA 3.0 (6.0Gb/S) |
| Accessories | |
| Accessories | Cable for HDD |
| Real I/O | |
| DC-IN | 1 |
| LED | 1 × Power LED, 1 × HDD LED |
| Ethernet | 4 |
| Audio | 2 (Mic-in, Line-out) (Option) |
| Front I/O | |
| Power Button | 1 × Power Button, 1 × Reset Button |
| Serial Port | 1 × RS-232 |
| HDMI | 1 |
| USB | 2 × USB 3.0, 2 × USB 2.0 |
| Internal Connector | |
| Serial Port | 1, 2 × 5Pin, Pitch 2.0mm (Option) |
| SATA | 1 × SATA 3.0 (6.0Gb/S) 1, Only for Core i5/i7 (Option) |
| SATA PWR Connector | 1, 1 × 4Pin, Pitch PH2.0mm, 1, Only for Core i5/i7 (Option) |
| SIM Slot | 1 |
| AutoStart Jumper | Yes, 1 × 3Pin, Pitch 2.54mm |
| GPIO Header | 1, 2 × 5Pin, Pitch 2.0mm |
| USB Header | 1, 2 × 5Pin, Pitch 2.54mm |
| Front Panel Header | 1, 2 × 5Pin, Pitch 2.0mm |
| Power Header | 1, 1 × 2Pin, Pitch 3.5mm (Option) |
| Watchdog Timer | |
| Output | From Super I/O to Drag RESETCON# |
| Interval | 256 Segments,0,1,2,3,,,255 sec/min |
| Power Requirement | |
| Input PWR | 12V DC in, 5.5mm/2.5mm |
| Environment | |
| Operating Temperature | 0-50 ℃ |
| OS Support | |
| OS | Windows 7, Windows 10, Linux |
| NO. | Category | Quantity | Remark |
| 1 | Motherboard | 1 | |
| 2 | HDD cable | 1 | |
| 3 | Radiator | 1 | Option |
| 4 | Fan | 1 | Option |
| 5 | Serial cable | Several | Depending on the model |
Quick Order Model: MB3U422-0531
| Ordering Code | Code Name | Processor Type | Processor Number | # of Cores | # of Threads | Base Frequency | Max Turbo Frequency | Cache | Processor Graphics | TDP |
| MB3U422-0411 | Haswell | Celeron | 2955U | 2 | 2 | 1.4GHz | / | 2M | Intel HD Graphics | 15W |
| MB3U422-0431 | Haswell | Core i3 | 4005U | 2 | 4 | 1.7GHz | / | 3M | Intel HD 4400 | 15W |
| MB3U422-0451 | Haswell | Core i5 | 4200U | 2 | 4 | 1.6GHz | 2.6GHz | 3M | Intel HD 4400 | 15W |
| MB3U422-0471 | Haswell | Core i7 | 4500U | 2 | 4 | 1.8GHz | 3.0GHz | 4M | Intel HD 4400 | 15W |
| MB3U422-0432 | Haswell | Core i3 | 4010Y | 2 | 4 | 1.3GHz | / | 3M | Intel HD 4200 | 11.5W |
| MB3U422-0452 | Haswell | Core i5 | 4200Y | 2 | 4 | 1.4GHz | 1.9GHz | 3M | Intel HD 4200 | 11.5W |
| MB3U422-0511 | Broadwell | Celeron | 3205U | 2 | 2 | 1.5GHz | / | 2M | Intel HD Graphics | 15W |
| MB3U422-0512 | Broadwell | Celeron | 3215U | 2 | 2 | 1.7GHz | / | 2M | Intel HD Graphics | 15W |
| MB3U422-0521 | Broadwell | Pentium | 3805U | 2 | 2 | 1.9GHz | / | 2M | Intel HD Graphics | 15W |
| MB3U422-0531 | Broadwell | Core i3 | 5005U | 2 | 4 | 2.0GHz | / | 3M | Intel HD 5500 | 15W |
| MB3U422-0551 | Broadwell | Core i5 | 5200U | 2 | 4 | 2.2GHz | 2.7GHz | 3M | Intel HD 5500 | 15W |
| MB3U422-0571 | Broadwell | Core i7 | 5500U | 2 | 4 | 2.4GHz | 3.0GHz | 4M | Intel HD 5500 | 15W |
