27U421A

Written analysis

27U421A at a glance

The 27U421A is a 27" VA monitor at 1920×1080 and 100 Hz. The listed aspect ratio is 1.778:1, 16:9. The backlight is listed as W-LED.

Best fit: straightforward office, media, or secondary-display use after checking resolution and refresh against the rest of the system.

Panel and image

Overall quality is 44.9, with 43.4 work and 58.3 play. Pixel density is listed at 81 PPI. Typical brightness is 250 nits. Contrast is listed as 3000:1. The coating is Anti-glare/Matte (3H). The listed pixel count is treated as a 1080p-class work multiplier.

Color and HDR

Recorded gamut coverage is 99% sRGB. Color depth is listed as 8-bit. HDR is listed as HDR10.

Motion and sync

Refresh is listed at 100 Hz. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Tilt · VESA (100x100mm). Recorded inputs include 1 x USB 3.0 (Type-C; 15W), 1 x HDMI 1.4, 1 x 3.5 mm Audio Out (3-pole).

Buying verdict

Overall quality is 44.9. Treat it as a practical screen and compare nearby monitors if color, refresh, or ergonomics matter more.

At the recorded Amazon price, quality / price is 68.6—an excellent value relative to nearby monitors.

Work / price is 66.3 and play / price is 62.3.