Hardware Spec Index

Kyndral MN-8421 Max 27" 4K 240Hz QD-OLED Monitor

Monitors · Kyndral · SKU MN8421-MAX · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index2,633 (Monitors scale)
Category rank#2,967
Street price$799
Power88 W
Performance per dollar3.30
Released2025

Specifications

BrandKyndral
ModelKyndral MN-8421 Max
Screen size27-inch
Resolution3840 × 2160 (4K)
Pixel density163 PPI
PanelQD-OLED
Refresh rate240 Hz
Response time0.03 ms (GtG)
HDRVESA DisplayHDR True Black 400
Peak brightness1000 nits
Color gamut99% DCI-P3
Variable refreshVESA Adaptive-Sync, FreeSync Premium, G-SYNC Compatible
Inputs2× HDMI 2.1, 1× DisplayPort 2.1 (UHBR20), USB-C (DP Alt, 90 W)

Related guides

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Cite this page: Hardware Spec Index, “Kyndral MN-8421 Max 27" 4K 240Hz QD-OLED Monitor”, https://vextor7.com/item/8045404 (accessed 2026-10-19).