A good match for 350 to 450 W panels on an Enphase system. Check the IQ8MC price first, since it takes more current for less.
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Every Enphase IQ8 model we rank, smallest first. Ratings compare each against its own panel count.
| Model | AC output | Rating | Price |
|---|---|---|---|
| Enphase IQ8 | 240 W | 3.5/5 | $154.81 |
| Enphase IQ8+ | 295 W | 3.7/5 | $164.84 |
| Enphase IQ8M (this one) | 325 W | 3.8/5 | $185 |
| Enphase IQ8A | 349 W | 3.6/5 | $207 |
| Enphase IQ8H | 380 W | 3.7/5 | $199 |
| Enphase IQ8X | 384 W | 3.6/5 | $206.05 |
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its panel count. How we rank explains each one.
| Model number | IQ8M-72-M-US |
|---|---|
| Output | |
| Panel inputs | 1 |
| AC output | 325 W |
| Grid voltage | 240 V split phase |
| CEC efficiency | 97.5% |
| Peak efficiency | 97.8% |
| Panel input | |
| Largest panel | 460 W |
| Current per input | 12 A |
| MPPT range | 30 to 45 V |
| Listing and build | |
| UL 1741 | Yes |
| Rapid shutdown | Yes |
| Monitoring | gateway (sold separately) |
| Enclosure | NEMA 6 |
| Weight | 2.4 lb |
| Warranty | 25 years |
| Released | 2021-12 |
A single panel inverter for big 500 W+ panels where shade or odd roof planes call for one inverter per panel. For a plain array, a Hoymiles four panel unit costs much less per watt.
Self2Solar $199The Enphase pick for 400 to 500 W panels, replacing the IQ8A with a higher input current at a lower price.
US Solar Supplier $173.96 Signature Solar $211 altE $227.44For big 72 cell panels on a 240 V Enphase system. The IQ8HC does the same job with more input current and usually costs less.
Amazon $199Compare the Enphase IQ8M with any other microinverter →
More from Enphase: every Enphase product ranked.
