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ATX board with one long PCIe slot and eleven short ones, dark PCB, silver heatsinks

Biostar

Biostar TB250-BTC PRO LGA 1151 Intel motherboard

SKU CH-61TS-D49RR

An ATX board with one x16 slot and eleven x1 slots for up to twelve graphics cards, plus six SATA ports and dual-channel DDR4 up to 32 GB

  • CPU Socket TypeLGA 1151
  • CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • Supported CPU Technologies* Not Compatible with Intel 8th Gen CPUs
  • ChipsetIntel B250
  • Number of Memory Slots2x288pin (DDR4)
  • Memory StandardDDR4 2400/ 2133/ 1866* DDR4 2400 for 7th Generation Intel Co
  • Supports up to 12 graphics cards for mining density
  • Eleven PCIe 3.0 x1 slots add expansion capacity
  • One full-length PCIe 3.0 x16 slot handles primary GPU
  • Six SATA 6Gb/s ports provide storage connectivity
  • Dual-channel DDR4 up to 32 GB enables memory bandwidth

Mining-focused ATX board

The Biostar TB250-BTC PRO is an Intel B250 ATX motherboard built for cryptocurrency mining rigs. It accepts LGA 1151 processors from the Core i7, i5, i3, Pentium and Celeron families up to a 95 W TDP limit. The design centres on 12 graphics-card interconnections rather than general-purpose expansion.

One full x16 slot plus eleven x1 links

A single PCI Express 3.0 x16 slot sits alongside eleven PCI Express x1 3.0 slots for dense GPU deployment. Six of the x1 slots deviate from the ATX standard and require an extra connecting kit to mount cards. Memory tops out at 32 GB across two DDR4 slots running at 2400, 2133 or 1866 MT/s. Storage connects through six SATA 6Gb/s ports.

Replaces standard B250 boards when GPU density

Swapping a conventional B250 board for this model makes sense only when you need more than two or three graphics cards on one system. The eleven x1 lanes and the 95 W CPU ceiling define the practical upgrade point; beyond that the board runs out of CPU power headroom and standard-slot compatibility.

Highlights

  • Supports up to 12 graphics cards for mining density
  • Eleven PCIe 3.0 x1 slots add expansion capacity
  • One full-length PCIe 3.0 x16 slot handles primary GPU
  • Six SATA 6Gb/s ports provide storage connectivity
  • Dual-channel DDR4 up to 32 GB enables memory bandwidth

Specifications

BrandBIOSTAR
Series12 Graphics card interconnection
ModelTB250-BTC PRO
CPU Socket TypeLGA 1151
CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
Supported CPU Technologies* Not Compatible with Intel 8th Gen CPUs
ChipsetIntel B250
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 2400/ 2133/ 1866* DDR4 2400 for 7th Generation Intel Core Processor Family
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x111 x PCI-E x1 3.0 Slots (Note: PEX1_6/7/8/9/10/11 slot are not compatible w/ ATX standard, users need extra connecting kit to install VGA card for crypto mining.)
Serial ATA (SATA)6 x SATA 6Gb/s
Audio ChipsetRealtek ALC887
Audio Channels8 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Back I/O Ports2 x PS/2 / 4 x USB 2.0/1.1 / 4 x USB 3.0
PS/21 x PS/2 Mouse1 x PS/2 Keyboard
Video Ports1 x DVI-D Connector, resolution up to 1920 x 1200 @60 Hz
RJ451 x RJ45
USB 3.04 x USB 3.0
USB 1.1/2.02 x USB 2.0 Ports2 x USB 2.0 Ports (only 5V power, up to 1.5A)
Audio Ports3 Ports
Onboard USB1 x USB 3.0 Header2 x USB 2.0 Headers
Other Connectors1 x SATA Power Connector (for rear USB power enhancement)1 x Front Audio Header1 x Front Panel Header1 x CPU Fan Header2 x System Fan Headers1 x Serial Header2 x PCI-E 12V 4-Pin Connectors (Must be installed when using for bitcoin mining.)
Form FactorATX
Dimensions (W x L)11.6" x 8.3"
FeaturesSupports 7th Generation Intel Core ProcessorIntel B250 single chip architectureSupport 2-DIMM DDR4-2400/ 2133/ 1866 up to 32G maximum capacitySupport 12 x PCI-E slotsSupport DVI-DSupport USB 3.0H/W MONITORING CPU / System Temperature MonitoringCPU / System Fan MonitoringSmart / Manual CPU Fan ControlSystem Voltage MonitoringOS SUPPORT Support Windows 10 (x64) for Intel 7th Generation Processor*Support Windows 7 / 8.1 (x64) / 10 (x64) for Intel 6th Generation ProcessorBUNDLE SOFTWARE BullGuardSmart Speed LAN (Windows 7 / 8.1 only)Intel Rapid Storage TechnologyFEATURES Supports 100% So
Package ContentsACCESSORIES:2 x SATA Cables1 x I/O Shield1 x DVD Driver1 x User Manual

Questions about this item

Will my 8th-generation Intel processor fit this board?

No, the socket is LGA 1151 but the chipset does not support 8th-generation CPUs.

How many graphics cards can I attach at once?

One full-length PCI Express 3.0 x16 slot plus 11 PCI-E x1 3.0 slots; six of the x1 slots need an extra connecting kit for standard cards.

What memory speed should I buy for a 7th-generation Core i5?

DDR4 2400 is supported with 7th-generation processors; 2133 and 1866 also work.

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