HP OMEN 31.5 4K UHD Smart Gaming Monitor, 4K UHD Display (3840 x 2160), IPS Panel Technology, 144Hz, VESA DisplayHDR 400, 1ms, DisplayPort, HDMI - Black - 99Z68AS

HP OMEN 31.5″ 4K UHD Smart Gaming Monitor – 144 Hz, 1 ms (Model 99Z68AS)

Step into an immersive gaming world with the HP OMEN 31.5″ 4K UHD Smart Gaming Monitor (Model 99Z68AS) — a premium display designed for high-performance gaming, entertainment, and multi-tasking. Its 31.5-inch IPS panel delivers stunning 4K UHD (3840 × 2160) resolution, bringing crisp details, vibrant colors, and wide viewing angles to every pixel on screen. Whether you’re diving into fast-paced shooters, exploring open-world environments, or watching 4K multimedia content, the high-resolution visuals combined with a 144 Hz refresh rate provide a buttery smooth experience with reduced motion blur.

Built for responsive gameplay, the monitor features a 1 ms (GtG) response time to keep actions feeling snappy and reduce ghosting during intense sequences. VESA DisplayHDR 400 certification enhances contrast and brightness for more realistic visuals with supported HDR content, making light and dark details pop.

With Adaptive Sync support including AMD FreeSync Premium and NVIDIA G-SYNC compatibility, screen tearing and stutter effects are minimized, ensuring gameplay is fluid and uninterrupted. The monitor also doubles as a smart entertainment hub, offering built-in apps and streaming capabilities that blend gaming and leisure without switching devices. Multiple connectivity options — DisplayPort 1.4, HDMI 2.1, and USB-C — make it easy to hook up gaming rigs, consoles, or laptops, while built-in speakers add rich audio without external peripherals for an all-in-one gaming setup.

Specifications

Feature Details

Brand HP

Model OMEN 31.5″ 4K Smart Gaming Monitor (99Z68AS)

Display Size 31.5″ (80 cm diagonal)

Panel Type IPS LCD

Native Resolution 4K UHD (3840 × 2160)

Refresh Rate 144 Hz

Response Time 1 ms GtG (with overdrive)

HDR Support VESA DisplayHDR 400

Brightness (Typical) 400 nits

Color Gamut ~99 % sRGB; ~95 % DisplayP3

Contrast Ratio 1000:1 (static) / 10,000,000:1 (dynamic)

Adaptive Sync AMD FreeSync Premium / NVIDIA G-SYNC Compatible

Viewing Angles 178° H / 178° V

Color Depth Up to 1.07 billion colors

Built-In Speakers 4 × 3 W

Connectivity 2 × HDMI 2.1, 1 × DisplayPort 1.4, USB-C (DisplayPort Alt Mode)

USB Hub Yes (USB-A ports)

Ethernet RJ-45 port (on supported variants)

Ergonomics Height adjustable & tilt

VESA Mount 100 × 100 mm

Smart Features Streaming apps, built-in UI for entertainment

Panel Coating Anti-glare

Color Calibration 10-bit (8-bit + FRC) support

Ideal For Gaming, streaming, creative work

What's in the box

Monitor; DisplayPort™ cable; HDMI cable; Documentation; Warranty card; AC power cable; Quick Setup Poster; 1 USB Type-C to Type-C cable; Cable holder; 2 x AAA batteries; IR and Bluetooth remote control