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Spider Farmer SF4000 LM301H EVO LED Grow Light: Is It Good?

Spider Farmer is proud to unveil the latest innovation in LED grow light technology, the 2024 Spider Farmer SF4000 450W Samsung LM301H EVO LED Grow Light.

Designed with the needs of modern indoor gardeners in mind, this advanced grow light combines cutting-edge technology with energy efficiency to deliver outstanding performance and optimal plant growth.

Is it worth trying? You’ll have an overview of this LED grow light in our comprehensive review.

Unmatched Performance with Samsung LM301H EVO LEDs

At the heart of the Spider Farmer SF4000 is the Samsung LM301H EVO LED chip, renowned for its superior efficiency and reliability.

These top-of-the-line LEDs provide a full spectrum of light that mimics natural sunlight, promoting vigorous growth and higher yields for a wide variety of plants.

Whether you’re growing vegetables, herbs, or other household plants, the SF4000 ensures that your plants receive the light they need at every stage of growth with these advanced chips.

Energy Efficiency Meets Sustainability

The SF4000’s outstanding efficiency, marked by its single diode efficacy of 3.14 μmol/j and an overall PPE of 2.75 µmol/J, sets it apart in the realm of grow lights.

This high level of efficiency means that each joule of energy is utilized to its maximum potential, directly benefiting plant growth by delivering more usable light per watt than less efficient models.

Moreover, this efficiency translates into lower energy consumption, which not only reduces the environmental impact but also cuts down on operating costs significantly.

By using this light, growers can achieve better growth results while also being more sustainable and cost-effective in their energy use.

Dimmable LED Grow Lights

The Spider Farmer SF4000 includes both wattage and brightness dimmable functions, which can be fine-tuned to match the specific light requirements of different plants and growth stages.

Additionally, the inclusion of dimming daisy chains allows multiple lights to be connected and controlled simultaneously, providing consistent light distribution across larger areas.

This flexibility is crucial for optimizing growth conditions and can lead to more uniform and robust plant development throughout the cultivation cycle.

Robust and User-Friendly Design

The SF4000’s robust construction is noticeable through its thick, sturdy aluminum material, high-quality cables, and protective covers.

These components ensure durability and longevity of over 50,000 hours, offering peace of mind that your investment is built to last. What’s more, the robust, fanless design ensures silent operation, making it perfect for use in any indoor environment.

What to Improve: Driver, Heat Dispersion, and…?

One drawback of the SF4000 is the occasional instability in the driver connection, which can result in loss of connectivity.

This issue means that sometimes the light might not respond to dimming controls or could temporarily disconnect, affecting the consistent light output required for optimal plant growth.

One drawback of LED grow lights is that they can generate a significant amount of heat, and Spider Farmer SF4000 kinda falls into the same trap.

The heat sink of the grow light is quite thin and can become slightly misshapen when hung. This situation necessitates the use of active cooling solutions to prevent the light from reaching high temperatures.

Additionally, this indoor grow light suits best the 4×4 grow tents. Therefore, if you have grow tents of other sizes, say, a 3×3 grow tent, then it’s not a good choice. It’s suggested to choose appropriate grow lights for each size of grow tent.

About Spider Farmer: What to Expect

Spider Farmer is a well-regarded brand in the grow light industry, known for its commitment to innovation and quality. They use top-tier components, such as Samsung LEDs and Mean Well drivers, to ensure reliability and efficiency.

Customers can expect durable, high-performance products designed to support optimal plant growth. Spider Farmer also offers excellent customer service, with responsive support and comprehensive warranties, making them a trusted choice for both novice and experienced indoor gardeners.


The Spider Farmer SF4000 LM301H EVO LED Grow Light stands out with its advanced LED technology, exceptional energy efficiency, and robust design. It is an excellent choice for indoor gardeners seeking high performance and sustainability.

However, potential buyers should consider the minor issues with the driver connection and heat dispersion, as well as its specific suitability for 4×4 grow tents.

Despite these areas for improvement, the SF4000 remains a strong contender in the LED grow light market, offering substantial benefits for a variety of plant growth needs.

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