Last updated: August 2026

Quick answer: Spider Farmer’s first 2023 SF2000 update kept the 606 Samsung LM301B diodes but replaced the Mean Well driver with a Spider Farmer driver and added a true off position to the dimmer. In my center-point test at two feet, the updated light used more power and produced a higher PPFD reading. It looked slightly better in that narrow comparison, but the calculation in the original video was not a complete fixture-efficiency test.

Important old-model warning: This 2023 driver revision is also old hardware. The 2026 SF2000 listing uses Bridgelux 3030 diodes and is not the same specifications as either LM301B panel in this video. I consider the current move away from the tested Samsung configuration a downgrade, even though Spider Farmer says it maintains similar output and efficiency. See my State of the Indoor Grow Equipment guide before assuming the newest model is automatically the best one.

My 2023 old-versus-new SF2000 driver and dimmer comparison. The staged caption track must be imported and live-verified before publication.

Video chapters

  1. 0:00 — Why the driver change needed testing
  2. 0:18 — What stayed the same
  3. 0:33 — The new dimmer off position
  4. 0:41 — Mean Well replaced by Spider Farmer’s driver
  5. 0:47 — Old model: power and center PPFD
  6. 1:02 — Updated model: power and center PPFD
  7. 1:18 — What the simple ratio can and cannot tell us

Selecting a timestamp opens the video at that moment without moving you away from this section.

What changed in this 2023 SF2000?

The panel still used 606 Samsung LM301B diodes with the same spacing. The visible changes were the driver and dimmer. Spider Farmer replaced the Mean Well driver with its own branded driver, and the new dimmer could shut the light off when turned all the way down.

Because this was a light I had recommended often, I wanted to see whether the component change hurt the output instead of assuming a non-Mean Well driver was automatically worse.

Spider Farmer SF2000 2023 LM301B panel with updated driver and dimmer
The first 2023 update kept the LM301B panel but changed the driver and dimmer. A later 2023 EVO model changed the diodes too.

Old versus updated measurements

Measurement Older LM301B / Mean Well model Updated LM301B / Spider Farmer driver
Initial power 210 W 226.7 W
Stabilized power 207.2 W 220.6 W
Center PPFD at 2 feet 590 µmol/m²/s 643 µmol/m²/s
Observed result Lower center reading and lower draw Higher center reading and higher draw

The updated model delivered about 9 percent more center PPFD while drawing about 6.5 percent more stabilized power. The video divided that single PPFD point by watts and called the new model 2.4 percent more efficient. That ratio is useful for comparing the same point in a tightly controlled setup, but it is not the fixture’s true µmol/J efficacy. A full efficacy test needs total photon output across the distribution, not only the center.

My practical conclusion

The new driver did not ruin the light in this comparison. It gave the fixture a higher maximum output and the dimmer gained a convenient off position. If the price and warranty were equal, I considered that first 2023 revision a small improvement over the previous LM301B/Mean Well version.

That conclusion applies only to those two panels. It does not prove long-term reliability, driver temperature, multiple-unit consistency or harvest performance for the updated driver. It also does not apply to the later 2023 LM301H EVO SF2000 or the current 2026 Bridgelux model.

Where this test fits in the series

Start with the 2022 SF2000 pair unboxing and nine-point map, then see the results after two completed grows. This page documents the first 2023 driver revision. The EVO comparison documents the next diode change.

Before buying a current SF2000

  • Confirm whether the listing uses Bridgelux, LM301H EVO or LM301B diodes.
  • Confirm the driver, controller, wattage, seller and written warranty.
  • Measure several canopy positions; one bright center cannot show uniformity.
  • Use a wall-power meter if you are comparing output at different dimmer settings.
  • Compare the final cart total instead of trusting an undated percentage or code.

Spider Farmer’s current official SF2000 listing describes a 200-watt Bridgelux 3030 model. Those are manufacturer claims, not fresh HWGrow measurements of the current light.

Recommended lights and measurement tool

Affiliate disclosure: HWGrow may earn a commission from qualifying purchases at no additional cost to you. Product generations and sellers can change behind a listing; verify the exact hardware before purchase.

Want help building a useful light map?

Use the LED measurement guide before copying another grower’s height or dimmer setting. The Grow With Me Masterclass connects lighting, environment, feeding and plant response inside a guided workflow. For a specific comparison, ask HWGrow and include the exact generation, wall power and full canopy map.

Spider Farmer SF2000 driver FAQ

Was the Spider Farmer driver worse than the Mean Well driver?

Not in this short output comparison. The Spider Farmer-driver panel produced a higher center PPFD reading while drawing more power. The video did not test long-term reliability or multiple units.

Did the updated 2023 SF2000 use different diodes?

This first 2023 revision still used 606 Samsung LM301B diodes. The main changes were the driver and dimmer. A later 2023 revision introduced LM301H EVO diodes.

Was the updated light really 2.4 percent more efficient?

The single center PPFD-per-watt ratio improved by about that amount. That is not the same as a fixture-level µmol/J test, which requires total photon output and wall power under a defined method.

Is the current 2026 SF2000 this same updated light?

No. The official 2026 listing describes Bridgelux 3030 diodes. HWGrow considers that component change a downgrade from the Samsung configurations tested in this series.

Comments

  1. Purchasing the SF2000 today, appreciate the information, makes the purchase a little easier now that I know it’s a good light. I’m a newbie.

    1. Still my All time favorite, I got 3 right now, considering getting a 4th

Leave a reply

Your email address will not be published. Required fields are marked *

Are you human? Please solve:Captcha


You may also like