Slim 320H Dimmable LED Grow Light 320W (120 Degree) With Four Strips 3500K Color Temperature

ECO Farm


Type: Unknown Type

Slim 320h Dimmable LED Grow Light is a top of the line LED Fixture that is sure to amaze anybody who uses it. This all Aluminum fixture is lightweight, sleek, and built to provide maximum passive cooling capabilities for the Optic Double Row LED Strips. Black Rails on both sides of the Light give it a really aggressive look with the white Slim 320h Logo on 1 side and the Meanwell, Samsung & CREE Logos on the other side.

Powered by a "Best in Class" Meanwell HLG 320H Dimmable Driver giving you many years of reliability and top of the line efficiency. Slim 320h Represents the integration of the Best from CREE, the Best from Samsung, and best from Meanwell. Samsung's horticulture specific LM301h 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. CREE XPE LEDs are the most efficient "mainstream" Multicolored LED used today. Featuring CREE's 460nm Deep Blue and 660nm Deep Red for a balanced Spectrum that can be absorbed in ultra-high intensities, best possible flower quality, and density.

Coverage Area:

Flowers: Veg:

2' x 4' area (.6m x 1.2m) 2' x 4' area @ 12-24"

3' x 5' area (.9m x 1.5m) 4' x 4' area @24"

Hanging Height :

Flower: 10"-24"

Pro Tips: It's always best to set the light up higher and let the plants grow up into the light.
Recommended Dimmer Settings & Hanging Height:
Seedling: 36"+ / 25% Power
Vegetative: 48" + / 50% Power (or 24" @ 25% Power)


Wk1-3 - @24-30"" / 50% Power
Wk4-6 @18" - 24" / 75% Power
Wk7-8 @18" - 24" / 100% Power
Wk9-10 @12" - 18" / 100% Power

Slim 320H Components:

LEDs: 1,380 Total LEDs

White LEDs:

- 1,344 Top Bin Samsung LM301H LEDs

Bloom Enhancers:

- 24 CREE XPE Deep Red LEDs

- 12 CREE XPE Royal Blue LEDs

Each Light Bar (4 Light Bars total @80w each)

336 Samsung LM301H LEDs (Mixed White Blend 3000k & 4000k)

3 CREE XPE 460nm Royal Blue LEDs

6 CREE XPE 660nm Deep Red LEDs

Overbuilt extruded bar Aluminum Heatsink

Optics :

Samsung LM301H LEDS: 120 Degree Wide Beam Lens

CREE XPE LEDs: 120 Degree Wide Beam Lens

(No Secondary Optics)

Driver: Meanwell Dimmable Driver - 320 watt - HLG 320H

Thermal management: Passive Cooling from a significantly Overbuilt extruded Heat sink (Fanless Technology - No Moving Parts)

Photo of Heatsink to be added

Spectrum: Full Spectrum White Light 3500k (Mixed White Light LEDs)

+ 660nm Deep RED + 450nm Royal Blue


Kelvin: 3500K DayLight White

IP Rating: IP65 Waterproof

LEDs Per Watt: 4.3

PPFD: 1,200+

ppf/w: 2.9 umols/J

Actual Power Draw: 320 watts max

Grams Per Watt: up to 2.2

Yield: Up to 704 grams / 28 oz / up to 1.75 lbs

Lifetime: 100,000 Hours+

Warranty: 10 Years full warranty - Lifetime warranty on Meanwell Driver

Shipping: Free Shipping to 60+ countries

Light Fixture: 42" x 21" Vertical Farming Aluminum Fixture

Cables: 6 Foot attached power cord

Plug: USA, CANADA, EURO, Commercial, etc.

(We automatically ship the correct cord for your country)

Dimming: Central Mounted Dimmer 25%, 50%, 75% & 100% settings

Master Controller: Fully Compatible

Fixture Dimensions: 42" x 21" x 4"

Fixture Weight: 26 lbs (With Driver top-mounted)

Shipping Weight: 28 lbs

Hanger: Comes with 4 adjustable rope ratchet hangers.

Recommended for: Grow Tents, Grow Rooms, Greenhouses & Indoor Cultivations.

*International Shipments may require Taxes & Duties. Contact us for a quote! - Slim 320H Patent Pending.

Slim 320H Provides Wall to Wall uniform light spread.

OpticLED Master Controller is compatible with Slim 320h

(Pre-Orders for the Controller available now)

This Screen Shown here below is the Manual Dimmer adjustments page

Automated Sunrise and Sunset Settings on the Master Controller


Ships in a double Box with foam molds, guaranteed to arrive in perfect condition

Slim 320H Unboxing and Review