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

By Optic LED
List Price: $1,299.00
Price: 899.00
You Save: $400.00 (31%)
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Estimated Arrival 6/02 - 6/06
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Product Description

3-5 Business 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 3.4 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.

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 640 watts up to 660 watts max.

- Increased Total Light Output by more than 7% 

- Increased Overall efficiency from 3.15 umols/J up to 3.4 umols/J

Slim 650S Components:

LEDs: 3,000 Total LEDs 

3500k White LEDs: 2,880

- Top Bin Samsung Horticulture LM301H LEDs  3500k Mixed - 3.1 Umols/J

Bloom Enhancers:

Deep RED LEDs: 80 pcs

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

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 (Dim Purple LED)

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

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

(No Secondary Optics on fixture - Lenses sold seperately)

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 + 730nm Far Red                  

Dimmer#3  450nm Royal Blue 


PPFD Slim 650S NextGen: 1,554

(tested with apogee mq-500 meter in 1.2m tent @658w)

6" Hanging Height PPFD: 1,554 (3.4 umols/J)

12" Hanging Height PPFD: 1,272

18" Hanging Height PPFD: 1,063


SLIM 650S NEXTGEN Specifications:

Total LEDs: 3,000

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

PPFD @6": 1,554

ppf/w :  3.4 umols/J

ppf: 1,970 umols

Grams Per Watt: up to 3

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 Base + Deep Red + Royal Blue + UV + IR

IP Rating: IP65 Waterproof

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 - 5 Years full warranty - 2 years limited 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. 

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Order Confirmation 

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.

As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.

If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.

If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment

If your order is stock and we process the charges to your credit card, it will ship within five business days from the date of your order.

The one exception is our grow cabinets. These are made to order right out of California and can take 2-3 weeks before they ship.

Just hang tight, they're worth the wait :) 

We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address your provide when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

Your privacy is important to us, so we offer discreet shipping on all orders. We ship in plain, unmarked packages via Fedex, UPS, and USPS. For larger shipments such as our grow cabinets we ship via freight and will provide you with a Bill of Landing and tracking information. 


Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to and we will process an insurance claim on your behalf.

Cancellations & Refunds

All orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped. If your order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order. 


If you are unhappy with your order for any reason we can help you with a free return within 30 days of receiving the item. You will need the items original packaging to make a return, so please keep it!

Just send an email to and we will take care of you. 

Shopping online is great but it can be hard to know if you’re getting the best deal.

From the the moment you click "Add to Cart", to the day your order arrives at your door, we want your experience with us to be completely stress-free.

If you’re worried about finding a better deal online, now you can relax.


Here's our promise:

If you find another store online that is offering a better price any time within six months of making your purchase, we will cover the difference. 

That’s right, we will send the money straight back to your pocket. If you buy one of our products for $100 and find it online for $90 just send an email to info@allgreenhydroponics with a link to the better priced product and we will take care of it from there.

You’ll get your $10 back right away. 

We offer this price match guarantee because we want you to be able to shop with confidence and not have to worry about if you’re getting the best deal online. With us, you always are. 

There are some requirements for us to price match:

  • We will only price match after you’ve placed an order for the product to be matched.
  • This is not valid for products on sale or offered with other promotions.
  • The product will only be price matched against other online retailers that do not have physical store locations.
  • The competitors website must show the price matched product as in stock.
  • Discount and auction sites will not be price matched (i.e. ebay, groupon, overstock).
  • Only Authorized Retailers of the product will be price matched.
  • Price matching is valid for the item price plus shipping costs, sales tax is not included. 

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