ASRock LGA 1150 H81 Pro BTC
The ASRock H81 Pro BTC is a specialized ATX motherboard engineered for cryptocurrency mining and multi-GPU setups. Built on the Intel H81 chipset with an LGA 1150 socket, it supports 4th and 5th generation Intel Core processors (i3/i5/i7). Its standout feature is the inclusion of five PCI-Express 2.0 x1 slots, allowing you to connect multiple GPUs using riser cards—essential for building a high-yield mining rig.
Key Features
- Five PCIe x1 Slots: Maximize GPU count for mining or compute tasks.
- DDR3 Memory Support: Up to 16GB across two slots, with speeds up to 1600MHz.
- Dual SATA3 and Dual SATA2: Flexible storage options for OS and mining software.
- USB 3.0 and USB 2.0: Fast data transfer and ample connectivity for peripherals.
- Legacy Ports: PS/2, VGA, HDMI, serial, parallel—great for industrial or legacy applications.
Performance and Compatibility
With support for Intel Core i3/i5/i7 processors from the Haswell and Broadwell families, this board delivers reliable performance for mining, home servers, or budget workstations. The H81 chipset provides essential features without unnecessary extras, keeping costs low. The PCIe 2.0 x1 slots are perfect for GPU risers, and the board’s layout ensures adequate spacing for multiple cards.
Who Should Buy?
This motherboard is ideal for cryptocurrency miners, system integrators, and hobbyists looking to build a dedicated mining rig or a multi-GPU compute node. Its legacy I/O also makes it suitable for industrial control systems or retro builds.
Connectivity and Expansion
In addition to the five x1 slots, the board includes one PCIe 2.0 x16 slot for a primary GPU or high-speed expansion card. Storage is handled by two SATA3 (6Gb/s) and two SATA2 (3Gb/s) ports. Rear I/O includes USB 3.0, USB 2.0, PS/2, VGA, HDMI, serial, parallel, and Gigabit LAN.
Conclusion
The ASRock H81 Pro BTC remains a cost-effective solution for multi-GPU mining and specialized computing. Its robust expansion options and broad CPU support make it a versatile choice for budget-conscious builders.
Key Specifications
Detailed Parameters
- Platform:
- Intel
- Socket:
- LGA 1150
- RAM Type:
- DDR3
- Number of RAM Slots:
- 2
- Maximum RAM/slot:
- 8
- Maximum RAM Capacity in GB:
- 16
- PCI Express Version:
- 2
- Form Factor:
- ATX
- Maximum RAM Speed in MHz:
- 1600
- ECC:
- No
- Chipset:
- H81
- SupportedPlatforms:
- Intel Consumer
Pros
- Five PCIe x1 slots for multi-GPU mining
- Supports both 4th and 5th gen Intel Core CPUs
- Legacy ports (serial, parallel, PS/2) for industrial use
- DDR3 memory is affordable and widely available
- ATX form factor with good spacing for expansion
Cons
- Only two RAM slots limit maximum memory to 16GB
- PCIe 2.0 x1 slots require riser cables for GPUs
- No M.2 or NVMe support (older chipset)

