HP OMEN 45L GAMING Desktop - Ultra 9 285K, 64GB RAM, RTX 5090

Product Overview

The HP OMEN 45L GT22-3090 (MPN: B91WJAA) is a flagship high-end gaming desktop built for extreme performance, 4K gaming, and demanding creative workloads.

Powered by the Intel Core Ultra 9 285K processor and the NVIDIA GeForce RTX 5090, it delivers next-level performance for modern AAA games, streaming, and professional applications.

With 64GB DDR5 RAM and high-speed SSD storage, this system is designed for serious gamers and power users who need maximum performance.

Key Strengths of This Gaming Desktop

• Intel Ultra 9 285K – top-tier gaming and productivity CPU
• RTX 5090 GPU – extreme graphics performance
• 64GB DDR5 RAM – heavy multitasking and streaming
• Advanced cooling system – stable performance under load
• OMEN 45L chassis – premium airflow design
• High-end build quality – designed for enthusiasts
  
  

Performance & Daily Use

The Intel Core Ultra 9 285K delivers outstanding single-core and multi-core performance, making it ideal for gaming, streaming, and CPU-intensive workloads.

The RTX 5090 provides cutting-edge graphics power with support for ray tracing, DLSS, and AI-enhanced rendering, enabling smooth gameplay at high resolutions including 4K.

With 64GB DDR5 memory, the system handles multitasking, content creation, and heavy applications without slowdown.

Who Should Buy This Desktop

• Hardcore gamers targeting 1440p and 4K gaming
• Streamers and content creators
• 3D designers and video editors
• Users upgrading to a high-end gaming rig
• Power users needing maximum performance
  
  

Technical Specifications

Processor (CPU)

Intel Core Ultra 9 285K – flagship desktop processor.

• Architecture: Intel Core Ultra (Arrow Lake)
• High-performance hybrid design
• Performance + Efficient cores
• Unlocked CPU (K-series)
• Optimized for gaming and heavy workloads
  
  

Graphics (GPU)

NVIDIA GeForce RTX 5090

• Next-gen GPU architecture
• Ray tracing and DLSS support
• AI-enhanced rendering
• Designed for 4K and high FPS gaming
  
  

Memory (RAM)

64GB DDR5 RAM

• High-capacity memory
• Supports extreme multitasking
• High-speed DDR5 performance
  
  

Storage

High-speed NVMe SSD

• Fast boot and load times
• PCIe Gen4 / Gen5 support (config dependent)
• Expandable storage options
  
  

Motherboard & Platform

• Latest Intel platform
• PCIe Gen5 ready
• High-speed memory support
  
  

Cooling System

• OMEN Cryo Chamber cooling design
• Liquid cooling support (model dependent)
• Optimized airflow for sustained performance
  
  

Connectivity

• Wi-Fi 6E / Wi-Fi 7 (variant dependent)
• Bluetooth 5.x
• Ethernet LAN
  
  

Ports & Expansion

• USB-A and USB-C ports
• Multiple high-speed USB ports
• HDMI / DisplayPort via GPU
• Audio ports
• Expansion slots for upgrades
  
  

Power Supply

• High-wattage PSU (800W–1200W depending on config)
• 80 Plus efficiency rating
  
  

Operating System

• Windows 11 Home / Pro
  
  

Design & Build

• OMEN 45L premium chassis
• Tool-less design
• RGB lighting support
• Tempered glass side panel
  
  

Frequently Asked Questions

Is this PC good for 4K gaming?
Yes, it is built for high-end 4K gaming and ultra settings.

Can I upgrade components?
Yes, the OMEN 45L supports upgrades for GPU, RAM, and storage.