--- product_id: 61403670 title: "4x QB120 Quantum Boards (4000K)" brand: "horticulture lighting group" price: "€ 23.53" currency: EUR in_stock: false reviews_count: 8 url: https://www.desertcart.at/products/61403670-4x-qb120-quantum-boards-4000k store_origin: AT region: Austria --- # Samsung 561C S6 diodes 280mm x 240mm Molex connectors 4x QB120 Quantum Boards (4000K) **Brand:** horticulture lighting group **Price:** € 23.53 **Availability:** ❌ Out of Stock ## Summary > 🌟 Light Up Your Life with Quantum Brilliance! ## Quick Answers - **What is this?** 4x QB120 Quantum Boards (4000K) by horticulture lighting group - **How much does it cost?** € 23.53 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/61403670-4x-qb120-quantum-boards-4000k) ## Best For - horticulture lighting group enthusiasts ## Why This Product - Trusted horticulture lighting group brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Future-Ready:** Upgrade your lighting game with cutting-edge quantum board technology. - β€’ **Easy Integration:** Molex connectors simplify your installation process. - β€’ **Versatile Design:** Compact dimensions fit seamlessly into any setup. - β€’ **Powerful Performance:** Harness the efficiency of 120 Samsung diodes for optimal growth. - β€’ **Illuminate Your Space:** Experience the brilliance of 4000K spectrum lighting. ## Overview The 4x QB120 Quantum Boards (4000K) feature four high-performance boards equipped with 120 Samsung 561C S6 Bin diodes, delivering exceptional lighting efficiency. With dimensions of 280mm x 240mm, these boards are designed for easy integration into various setups, although a power supply is not included. ## Description High efficiency boards designed for DIY projects. Can be powered max 70 watts. Ideal for use in grow tents or grow area with reflective walls and grow spaces with limited height. No Thermal Interface Material or heatsink is required. 4pcs QB 120 Boards only. Power supply not included. 24V DC. Max current per board 2800mA ## Features - 4 pcs QB 120 Board with molex connectors - 120pcs Samsung 561C S6 Bin Diodes - Dimensions 280mm x 240mm - Power supply not included - 4000K Spectrum ## Images ![4x QB120 Quantum Boards (4000K) - Image 1](https://m.media-amazon.com/images/I/715KF6V18rL.jpg) ![4x QB120 Quantum Boards (4000K) - Image 2](https://m.media-amazon.com/images/I/51uUDycPIZL.jpg) ## Questions & Answers **Q: i have all 4 qb12o running 2 of them on a meanwell hlg- 120h c1400b.. can this set up alone veg and/or bloom a 3x3 .. and can i connect all 4 boards** A: hlg- 120h c1400b can power all qb120 4 in series at 1400mA you need at 8 or more boards for 3x3 bloom **Q: I would like to run 3 boards in a 2x3 for veg and flower saving the forth for a clone tank what driver would be ideal for 3 qb120's/** A: I have a setup where I purchase to two sets of 4xQB120, a total of eight boards. Six boards are set in series for my veg/flower closet, 4x3500K and 2x4000K. I purchased an HLG-320-C2100 driver which was recommended on the site: https://horticulturelightinggroup.com/pages/qb120-board-guide-1 . I suggest you start there for your configuration as each has there own recommended driver. **Q: What’s the max Square footage two of these boards can handle?** A: You can drive each board to about 65 watts max with an HLG-240H-c2100a driver, internal potentiometer turned all the way up. That’s 130 watts for two boards/40w per sf = about 3 sf for flower or 6 sf for veg. I have 12 of these in 16 sf **Q: Are these the V2 boards?** A: This is the original,I hear there will be a V2 but this is not it. These original boards are stellar,require no heat sink and quality drivers are cheap. I recently got the 132’s as well and the same quality driver is twice the price,wish I just got four more 120’s. These things are very impressive! ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Very impressed! *by A***E on Reviewed in the United States on August 23, 2020* Very impressed!Ordered these over a year ago and am only now finishing my first five month long grow.Ran these lights from veg to flower at only 100 watts total from the wall and still yielded Excellent results.Healthy plant and healthy bud.Highly recommended! ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars These are great, so much light from so little power *by S***N on Reviewed in the United States on April 30, 2018* These are great, so much light from so little power, with very little heat. My chilli plants have perked right up since changing to these from blurple. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars HLG delivers high quality LED lighting *by T***N on Reviewed in the United States on September 25, 2018* I received my product fast and the cost was very reasonable, will definitely purchase from HLG again when the need arises! --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/61403670-4x-qb120-quantum-boards-4000k](https://www.desertcart.at/products/61403670-4x-qb120-quantum-boards-4000k) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-22*