Best Grow Lights · head-to-head

ViparSpectra KS5000 vs Fluence SPYDR 2i

A sourced, side-by-side comparison. ViparSpectra KS5000 is cheaper at $599.99. Every spec and price links to its source.

Which is better: the ViparSpectra KS5000 or Fluence SPYDR 2i?

On the specs we track, they're closely matched. The ViparSpectra KS5000 is the cheaper at $599.99.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec ViparSpectra KS5000 Fluence SPYDR 2i
US price $599.99 $1335
BrandViparSpectraFluence
Released2022
Actual power (W) 500 630
Ppf umol s 1200 1700
Efficacy umol j 2.4 2.7
Flower footprint (ft) 4x4 4x4
Spectrum type white-plus-red full-spectrum-white
Diode count 1260
Dimmable Yes Yes
Input voltage range 100-277
Form factor foldable-bar bar-array
IP rating
Warranty years 3
Weight (kg)

Sources — ViparSpectra KS5000: viparspectra.com (verified 2026-07-11). Fluence SPYDR 2i: fluence-led.com (verified 2026-07-11).

What's the difference between the ViparSpectra KS5000 and Fluence SPYDR 2i?

Where the two actually differ on the specs we track (5 of 12). Matching specs are omitted.

  • Actual power (W): ViparSpectra KS5000 500 vs Fluence SPYDR 2i 630
  • Ppf umol s: ViparSpectra KS5000 1200 vs Fluence SPYDR 2i 1700
  • Efficacy umol j: ViparSpectra KS5000 2.4 vs Fluence SPYDR 2i 2.7
  • Spectrum type: ViparSpectra KS5000 white-plus-red vs Fluence SPYDR 2i full-spectrum-white
  • Form factor: ViparSpectra KS5000 foldable-bar vs Fluence SPYDR 2i bar-array

← All grow lights compared · Open data