BFKK 3U Rackmount Server Chassis EATX/ATX/MATX 4x5.25 6x3.5 Top/Side Cooling
- Rackmount
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YINGHUA
A B75 mining motherboard with twelve PCIe 1x slots, four SATA ports, and an LGA1155 socket for Intel Atom CPUs
This YINGHUA B75 board targets cryptocurrency mining rigs that need many graphics cards. It fits an LGA1155 socket and uses the B75 chipset. The package includes a random CPU, SATA cable and switch cable. All-solid capacitors aim to improve stability during continuous operation.
Operators who need twelve PCIe 1x connections via USB risers will find the density useful. The board only offers a 100 Mbit LAN port, so high-bandwidth networking is not possible. Systems requiring faster Ethernet, more than four SATA ports or an mSATA drive alongside four SATA devices should consider other platforms.
The defining specification is the twelve PCIe 1x graphics interfaces that connect through USB risers. This layout determines how many GPUs the board can host and dictates the riser hardware required for a mining build.
| CPU Type | Intel Atom |
|---|
Plug twelve USB-to-PCIe riser cables into the twelve USB headers; the step many miss is connecting auxiliary power to each riser and to the board’s 24-pin ATX plus 4-pin 12 V sockets.
The twelve USB-to-PCIe riser cables and the cooling fans on attached GPUs wear out first; the board’s solid capacitors are rated for long life.
The single 100 Mbit LAN port becomes the throughput bottleneck before the B75 chipset or the sixteen-gigabyte memory ceiling is reached.
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