INNOCN 25M2S 24.5" Black 2025

A Mini-LED 1440p 240Hz monitor with best-in-class color, but only if you catch it on sale. Pay more than $400 and you're doing it wrong.

The Mini-LED backlight is the star here. With 576 zones and 1000 nits, HDR content actually pops in a way most IPS panels can't touch. Color accuracy lands in the 98th percentile, which is best-in-class territory. The 240Hz refresh and 0.5ms response time keep motion smooth, and G-Sync compatibility works as advertised. But the display itself only scores in the 65th percentile, which tells you the panel quality is good but not groundbreaking. The real surprise is how well SDR and HDR modes switch. Multiple owners mention you can just flip the Windows HDR toggle and it works, which is apparently more than Acer can manage with the same panel.

Against the MSI MAG 271QPX QD-OLED E2 or the Gigabyte M Series OLED MO27U2, the INNOCN wins on brightness and color accuracy but loses on contrast, viewing angles, and overall feature polish. The ASUS ROG Strix XG27AQDMG is a more complete package with better connectivity and a more refined OSD. The Samsung Odyssey G60SD is the one to beat if you want a curved alternative. For pure esports speed, the INNOCN holds its own, but for everything else, the OLED competition is just more well-rounded.

The price spread here is insane, from $300 to $5825 across vendors. At $300, this is an absolute steal and you should buy it immediately. At anything over $500, you're better off looking at OLED options from MSI or Gigabyte. Newegg seems to have the best deal right now, but check before you click.

The INNOCN 2551S is a weird and wonderful thing. You get a 24.5-inch 1440p Mini-LED panel with 576 local dimming zones, 240Hz refresh, and 1000 nits of peak brightness. That spec sheet reads like something from a much more expensive monitor, and the color performance is genuinely top-tier. But the feature set is thin, and the price is all over the place depending on where you shop.

If you want a feature-rich monitor with USB hubs, KVM switches, or multiple HDMI ports, this isn't it. Go get the ASUS ROG Strix XG27AQDMG or the Gigabyte M Series OLED MO27U2 instead. And if you're sensitive to reliability issues, the power cycling report should give you pause.

If you can find the INNOCN 2551S for under $400, buy it. The Mini-LED backlight and color performance are genuinely impressive, and the 240Hz refresh makes it a great esports monitor. But don't pay a premium for it. The feature set is too thin, the connectivity is too limited, and the long-term reliability is a question mark. At the right price, it's a hidden gem. At the wrong price, it's a pass.