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Experience unprecedented innovation with the Slim 320S NextGen Grow Light, a top of the line LED Fixture that is sure to amaze.
Now upgraded with NEW Triple Row Samsung Boards (January 2023)! And new updated LM301H Evo diodes (April 2023)
The new LM301H Evo diode is more efficient than the previous generation LM301H and incorporates purple light to improve THC production. This new diode is the latest in cutting edge technology for the medical grow industry.
This high-performance unit is loaded with cutting-edge grow tech and features, including Samsung LH351H Deep RED LEDs rated at an impressive 3.75 umols/J, Samsung White LM301H Evo LEDs hitting above 3.1umos/J across five or more LED's per watt; a new triple dimmer design featuring three independent meanwell drivers giving you ultimate control over your plants' growth cycle - all housed in a timeless engineered look that will have everyone talking!
This all aluminum fixture is lightweight, sleek, and built to provide maximum passive cooling capabilities for the Samsung Triple Row LED Strips.
Samsung's horticulture specific LM301H Evo white LEDs are in the class of "Most Efficient" from Samsung and they go through a special lens treatment to stand up to high humidity environments.
The Samsung LH351H are the most efficient "mainstream" Multicolored LED used today. The Slim 320S features 450 nm deep blue and 660 nm deep red, plus UV.
This gives you the perfect balanced spectrum that can be absorbed in ultra-high intensities, and results in the best possible flower quality and density.
With its best-in class components designed to stand up twice as long as competing models, this light is ready to help craft some of the most noteworthy gardens out there!
Optic Slim 320S NextGen Features
Samsung LM301H Evo LEDS: 1440 diodes with a mix of 3000K and 3500K white light
NEW! Samsung LH351H: 16x 450 nm royal blue and 40x 660 deep red
LG UV LED: 4x UV for increased resin production and potency of oils
120 degree lens: each diode has a 120 degree lens for protection and to focus the beam for better efficiency
Meanwell driver: top of the line MeanWell dimmable driver
Large coverage: 2 by 4 foot coverage area
Dimmable: 3x independent dimmers go from 0 to 100%.
Yield: Up to 896 grams / 32 oz / 2 lbs (2.8 grams per watt)
Highly efficient: 320 watt power consumption (at 100%), but is equivalent to 600 watt HID; 2.1 umol/joule
5-year warranty: you'll see other stores call it a lifetime warranty, but read the fine print...it's 10 years
Controller Port: use Optic's 7" Touchscreen Optic LED Master Controller to control light(s) remotely (but not required, you can also use the settings directly on the fixture); add the controller option above to save $100 over buying it separately
Dimmable To Save Money When Full Power Is Not Needed
This light is dimmable from 0% to 100%. The warm white and red diodes are controlled by one dimmer and the cool white and blue diodes by the other.
Here are the recommended dimmer settings for maximum efficiency:
Seedlings: 25% power at 48" hanging height
Vegging: 25% at 24" (or 50% at 48")
Flowering Week 1-3: 50% power at 24" to 30"
Flowering Week 4-6: 75% power at 18 "to 24"
Flowering Week 7-8: 100% power at 18" to 24"
Flowering Week 9-10: 100% power at 12" to 18"
Perfect Full Spectrum Light For Flowering & Vegging
The 3000K and 3500K diodes provide a warm white light and the 450 nm and 660 nm diodes supplement it with additional deep red and royal blue.
1x Optic Slim 320S with 120v power cord
1x dimmable driver module
4x adjustable ratchet hangers
1x Controller (optional; add above)
The Optic LED Slim 320S is a powerful light that gives you greater yields, thanks to the large form factor, which distributes the light more evenly across the entire coverage area.
Click on 'Add to Cart' above and get yours today!
Samsung LM301H and LH351H LEDs
3000K and 3500K full spectrum white light, plus 660 deep red and 450 royal blue
2 by 4 feet
50 Hz to 60 Hz
42" x 21" x 4.5"
fixture and attached power cord, dimmable driver module, 4 adjustable ratchet hangers
- Free Shipping on all orders $175+ in the continental US.*
- Tracking Info will be provided via email within 24 hours of shipment.
- Easy Returns within 30 days of purchase + 25% restocking fee.
- Please see our Shipping & Returns policy for more details.
Optic LED purchases include a 5 year warranty for lights purchased between the years of 2015 - 2018 and a 10 year warranty for lights purchased between the years of 2019 - present.