Slim 650S NextGen - Dimmable LED Grow Light - 650w (3 Dimmers) 3500K (UV/ir) (1-1-23 Release)


                 USA Orders: 3-5 Business day delivery

                      Europe & UK Orders: 3-7 Day delivery

                      Canada Orders: 3-7 Day delivery

                      Japan Orders: 3-5 day delivery

         Slim 650S NextGen is the ultimate LED Grow Light Experience and widely considered the Best LED Grow Light ever manufactured. Equipped *exclusively with Samsung Horticulture Series LEDs on the all new Triple Row Samsung LED Boards giving you unprecedented Light Spread, Tunability, Flower quality & mega yields. Unleash the power of Samsung's 3.75 umols/J LH351H V2 Deep Red LEDs to give you amazing flowering production, Dense buds & heavyweight yields. 

         For the Ultimate Grow Experience SLim 650S NextGen is loaded with Samsung's Horticulture Specific series LEDs with 1 of the Fullest Spectrum's ever produced on an LED Grow Light and fully programmable Auto sunrise and sunset using the Optic LED Controller. Featuring Samsung's LH351H Infrared (ir) LEDs & LG Ultra Violet LEDs (UV) gives you a complete package that requires no additional add ons and is proven to produce the best results. Clocking in at 3.3 Umols/J Slim 650S produces mind blowing efficiency so you can get better yields with less power conusmption.

          Slim 650S has all the best components in the industry but is also designed to last twice as long as all other grow lights today. Dimmers come standard with Slim series lights as well as the industry's most overbuilt extruded fin heatsink & cooling system so your light runs cooler, shines brighter and lasts longer. LED Tech from the future with Samsung's latest Horticulture series LEDs including the full spectrum white Light Diodes, Deep Reds, Royal Blue and Infrared Diodes. For Growers who want the absolute newest and Best LED Grow Light tech on the planet from Samsung the Slim 650S NextGen is for you.


NEW! Triple Row Samsung LED Boards equipped exclusively with Samsung Horticulture LEDs*


253-881-1355 or inquire at

- farms inquires -


Coverage Footprint:

Flower:                                           Veg:           

4' x 4' area (1.2m x 1.2m)                4' x 4' area (Up to 7' x 7' area)

Max: 5' x 5' area (1.5m x 1.5m)   

         (4' x 4' Grow Tent / 1.2m x 1.2m)


Hanging Height & Dimmer Settings : 


Seedling: 48"+    / 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
Pro Tips: It's always best to set the light up higher and let the plants grow up into the light.

(Owners Manual will guide you on dimmer settings in greater detail)

Slim 650S Components:

LEDs: 3,000 Total LEDs 

3500k White LEDs: 2,880

- New!! Top Bin Samsung Horticulture LM301H EVO LEDs + LM301H 3500k Mixed - 3.14 Umols/J

Bloom Enhancers:

Deep RED LEDs: 80 pcs

- New! Samsung LH351H V2 Deep Red LEDs - 3.75 umols/j

Royal Blue LEDs: 32 pcs

 Samsung LH351H Royal Blue LEDs - 2.8 umols/j


INFRARED LEDs: 4 pcs (Dim Red LED)

- Top Bin Samsung LH351H Infrared LEDs  (ir) 

Ultra Violet LEDs: 4 pcs (Purple LED)

LG UV LED - Proven Increased Resin Production and Potency of oils

Optics: 120 Degree Primary Lens on all LEDs (Conformal Coating)

(Secondary Optics is 120 Degree reflector built into the Heatsink

*optional clip on Lenses sold seperately - Required for Growers who use sprays

Drivers: 0%-100% Dimmable Drivers, Black Vented Housing. 1 Meanewell Driver.

Dimmers: 3 Independent Dimmers

Dimmer#1 (White LEDs Channel) - 495 watts

Dimmer#2 (RED Channel + UV & IR) - 115 watts

Dimmer#3 (Blue LEDs Channel) - 55 watts

All 3 Dimmers (White, RED & Blue)


Controller Tech: Fully Compatible - (*Touch Screen Controller is Sold Separately)

3 Way Dimmability - You can Control the 3 Dimmers Independently

Spectrum Control - 3 Way Spectrum Control, add more Red, White, or blue light independently or programmed in the timer mode.

Dual Port RJ-11 Controller hookup  - Daisy chain up to 200 lights

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

*Coolest Operating Temp of any High Power Bar Fixture on the market.


Full Spectrum White Light 3500k (Mixed White Light LEDs) (Full Power on 3 dimmers)

+ 660nm Deep RED 450nm Royal Blue + ultraviolet + 730nm Far Red

Slim 650S NextGen Spectrum


Dimmer#1 - Full Spectrum White Light LEDs only 

Dimmer#2 - 660nm Deep RED               

 ultraviolet 380-420nm + 730nm Far Red                  

Dimmer#3  450nm Royal Blue 

PPFD Slim 650S NextGen: 1,554

(tested with apogee mq-500 meter in 1.2m tent @660w)

6" Hanging Height PPFD: 1,554 

12" Hanging Height PPFD: 1,228

18" Hanging Height PPFD: 1,063


24" Hanging Height PPFD: 946

48" Hanging Height PPFD: 652

 Vertical PAR Penetration Chart - 6" - 48" 

SLIM 650S NEXTGEN Specifications:

Total LEDs: 3,000

Model of Samsung LEDs: Samsung LH351H V2 Deep Reds, LH351H Royal Blue, LM301H White LEDs. 

PPFD @6": 1,554

ppf/w :  3.1 umols/J

ppf: 1,970 umols

Grams Per Watt: up to 3.0

Yield:  up to 3.9 lbs in 4x4 (1.2m) / up to 4.41 lbs in 5x5 (1.5M) 

HID/HPS equivalency: 1300 watts DE HPS 

Kelvin: 3500K Day Light White + Deep Red + Royal Blue + UV + IR

IP Rating: IP67

Total LEDs : 3,000

Actual Max Power Draw: 660 watts max

Amps:  5.5 Amps at 120v ( 2.8 Amps @ 240v)

Voltage : Internationally Used 110 volts - 277volts (240v cord sold seperately)

Warranty: 7 Year Warranty 

Release Date: January 2023

Shipping: Free Shipping in USA - International calculated at checkout

Light Fixture: 42" x 42" Vertical Farming Aluminum BAR Fixture - folds in half

Cables: 6 Foot attached power cord, 4 rope ratchets & 1 RJ-11 cable

Plug: USA, CANADA, EURO, Commercial, etc. (240v sold separately)

(We automatically ship the correct cord for your country)

Dimming3 Dimmer Knobs 0%-100%. 3-Way Spectrum Control 

Spectrum Control: 3 Dimmer Knobs 0%-100%. 3-Way Spectrum Control 

TouchScreen Master Controller: 2 ports, Fully Compatible. 3 Dimmer control

Fixture Dimensions: 42" x 42" x 4.5" 

Fixture Weight: 43 lbs (Aluminum Fixture + Driver Case)

Shipping Weight: 50 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 650S NextGen Patent Pending


Slim 650S NextGen initial Preview

Slim 650S NextGen LED Grow Light Review






 Slim 650S NextGen Upgrades:

- New Upgraded Triple Row Samsung LED Boards !!!

- Increased to 80 PCS Samsung Horticulture 660 nm Deep Reds (LH351H V2)

 - Increased RED Channel from 100 watts up to 115 Watts 

- Increased Samsung Blue LEDs channel from 50 up to 55 Watts. (LH351H)

- Added Optic LED Logo's and badging to all sides of the light

- Increased The max power in the light from 650 watts up to 660 watts max.

- Increased Total Light Output by more than 7% 

- Increased Overall efficiency from 3.15 umols/J up to 3.3 umols/J


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