QB120 Quantum Board

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QB120 Quantum Boards

High efficiency boards designed for DIY projects. Can be powered up to 70 watts. No Thermal Interface Material or heatsink is required. Does not work with Slate series Heatsinks.

Amzon Prime Qb288 Link

3000K Spectrum

4000K Spectrum



  • 120pcs Samsung 561C Bin Diodes
  • DC Jack Connector or Molex Connector
  • Dimensions 280mm x 240mm
  • Max current per board 2800mA


Connector Options

Board's power wires can optionally be soldered.

  • Molex Connector

Wire can be pushed into the connector. To unmate,  push down lever on the housing to allow the wire to be disengaged. Rated 300V 9A. Max 10 boards in series wiring.

Molex Lite trap


Driver Options

Single Board

GSC40B-1400 for US with IEC 60320/C7 Power Cord.
OWA-60U-24 for US
LPF-40-24 or LPF-40D-24
LPF-60 -24 or LPF-60D-24

GSC40E-1400 for EU

2 Boards

LPC-100-2100 - 2x QB 120 in series
LPF-90D-48 or LPF-90-48 - 2x QB 120 in series
HLG-80H-48 - 2x QB 120 in series
HLG-100H-48 - 2x QB 120 in series
HLG-120H-48 - 2x QB 120 in series

4 Boards

HLG-240H-C2100 - 4x QB 120 in series

Collections: ALL, Quantum Boards

Category: DIY, QB

Type: DIY Kits

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