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Small square green circuit board with silver processor cover, black ports and two RAM slots

Intel

Intel BLKNUC7i5BNB NUC Motherboard Core i5-7260U 3.4 GHz DDR4-2133 32 GB

SKU CH-EHS6-DR5V9 MPN BLKNUC7i5BNB

A compact UCFF motherboard with a soldered Core i5-7260U reaching 3.4 GHz, dual-channel DDR4-2133 support up to 32 GB, and Thunderbolt 3 plus HDMI 2.0a for three displays

  • Compact 4"×4" UCFF board fits tight spaces
  • Core i5-7260U up to 3.40 GHz handles everyday workloads
  • Dual-channel DDR4-2133 supports 32 GB max memory
  • Thunderbolt 3 at 40 Gbps plus USB 3.1 Gen 2 at 10 Gbps via USB-C
  • Three simultaneous displays over HDMI 2.0a and DP 1.2

Compact UCFF board with soldered Core i5-7260U

The Intel BLKNUC7i5BNB is a UCFF motherboard measuring four by four inches with a soldered Core i5-7260U processor running at up to 3.40 GHz. It targets builders who need a complete compute module for small-form-factor systems, digital signage or embedded appliances where a separate CPU purchase is not wanted.

Single M.2 slot and dual-channel SO-DIMM layout

The board provides one M.2 internal drive slot and two SO-DIMM slots supporting DDR4-2133 memory up to 32 GB total with 34.1 GB/s bandwidth. Thunderbolt 3 at 40 Gbps, USB 3.1 Gen 2 at 10 Gbps and DisplayPort 1.2 share the USB-C port, while HDMI 2.0a and an SDXC slot handle additional display and storage needs without extra expansion cards.

Sustained operation within integrated thermal limits

Because the processor is soldered and graphics are integrated, thermal output stays consistent under continuous workloads such as video playback or light compute tasks. The three-display capability across HDMI and USB-C lets the system drive multiple screens for extended periods without discrete GPU power draw, making it suited for always-on deployments where acoustic and power envelopes are tight.

Highlights

  • Compact 4"×4" UCFF board fits tight spaces
  • Core i5-7260U up to 3.40 GHz handles everyday workloads
  • Dual-channel DDR4-2133 supports 32 GB max memory
  • Thunderbolt 3 at 40 Gbps plus USB 3.1 Gen 2 at 10 Gbps via USB-C
  • Three simultaneous displays over HDMI 2.0a and DP 1.2

Specifications

No published specifications for this item yet.

Questions about this item

Will the 34.1 GB/s memory bandwidth limit performance under sustained loads?

The board tops out at 34.1 GB/s with dual-channel DDR4-2133, so sustained workloads that exceed that bandwidth will hit the ceiling.

How much heat and noise should I expect when the i5-7260U runs all day?

The soldered 3.40 GHz i5-7260U is cooled by the NUC's small fan; expect noticeable fan spin under continuous load but no extreme temperatures.

Which DDR4 SO-DIMMs do I already need to populate the two slots?

You need two DDR4-2133 1.2V SO-DIMMs, up to 32 GB total, to fill both memory channels.

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