OMEN 45L Review (2025): Ultimate Gaming Desktop with RTX 5090 & Cryo Cooling

Explore the OMEN 45L (2025) — a premium desktop with Intel Ultra 9 and RTX 5090, designed for high-end gaming and creative professionals. Discover its performance, cooling tech, and upgradeability in this review.

🔍 Introduction

Welcome to our detailed review of the OMEN 45L Desktop PC, an exceptional machine engineered for gamers and professionals alike. This powerhouse, equipped with the Intel Core Ultra 9-285K processor and NVIDIA GeForce RTX 5090 graphics, brings extraordinary performance and customization options to the table. In this review, we will explore the OMEN 45L's features, its groundbreaking cooling technology, and how it stands out in the competitive gaming and creative PC market.

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🧠 Specifications of OMEN 45L

• Processor: Intel Core Ultra 9-285K (up to 5.7 GHz, 24 cores, 36MB cache)
• Graphics: NVIDIA GeForce RTX 5090 (32 GB DDR7, DLSS 4.7)
• Memory: Up to 64GB Kingston FURY DDR5-5600
• Cooling System: OMEN CRYO CHAMBER (up to 360mm AIO)
• Power Supply: 850W or 1000W Modular, ATX 3.1
• Storage: Customizable SSD/HDD
• Ports: USB 3.2, Thunderbolt 4, HDMI
• Fans: Up to 3 x 120mm, with optimized cable routing

Processor: Intel Core Ultra 9-285K

The Intel Core Ultra 9-285K is a powerhouse processor designed to handle demanding tasks with ease. Featuring multiple cores and high clock speeds, it excels in both gaming and professional workloads. With its hybrid architecture, it efficiently balances performance and power consumption, offering an optimal experience for gamers and creators alike.

• Cores: 8 P-cores + 16 E-cores
• Base Frequency: 3.5 GHz
• Boost Clock: Up to 5.5 GHz
• Cache: 30MB Intel Smart Cache
• TDP: 125W (base)

With such specifications, the Intel Core Ultra 9-285K is built for high-end performance, whether you're multitasking, streaming, or running the latest AAA titles at ultra settings.

Graphics Card: NVIDIA GeForce RTX 5090

The NVIDIA GeForce RTX 5090 is one of the most powerful graphics cards in the market. Powered by the Ada Lovelace architecture, it supports real-time ray tracing and AI-enhanced graphics, providing an immersive gaming experience with stunning visuals.

• GPU Architecture: Ada Lovelace
• CUDA Cores: 18,000+
• Memory: 24GB GDDR6X
• Ray Tracing: 3rd Gen RT Cores
• DLSS Support: Yes (Deep Learning Super Sampling)

Whether for 4K gaming, professional rendering, or AI applications, the RTX 5090 provides outstanding power and performance.

Memory: Kingston FURY DDR5-5600

The Kingston FURY DDR5-5600 memory offers fast, high-bandwidth performance, crucial for modern gaming, video editing, and multitasking. The DDR5 standard is the latest in RAM technology, delivering faster speeds and greater efficiency compared to DDR4.

• Capacity: Up to 64GB
• Speed: 5600 MHz
• Latency: CL36
• Voltage: 1.25V

With its high-speed data transfer and large capacity, the Kingston FURY DDR5 memory ensures smooth system performance, even under heavy loads.

⚙️ Performance & Architecture

The OMEN 45L delivers incredible performance, thanks to its Intel Core Ultra 9 processor and NVIDIA RTX 5090 graphics. The hybrid architecture balances performance and efficiency, ensuring smooth multitasking. The cooling system keeps temps low during demanding gaming or editing sessions.

OMEN Cooling System – KLIMASYSTEME

• LCD and CPU chassis fans
• Supports up to 3x 120 mm (360 mm) AIO liquid cooling systems
• 25 mm high-performance fans
• Optimized cable management for cleaner builds
• Low background noise (supports Zero RPM fan mode)
• Fan speed and lighting control via OMEN Gaming Hub
• Equipped with 7th-generation Asetek pump

Power Supply: 850W or 1000W - ATX 3.1

The 850W or 1000W Power Supply with ATX 3.1 compliance ensures that the HP OMEN 45L has a stable and efficient power delivery system. The ATX 3.1 standard brings enhanced efficiency, reducing the power loss and ensuring stable power output for high-end components.

• Wattage: 850W or 1000W options
• Efficiency Rating: 80 PLUS Platinum
• Modular Cables: Fully modular for better cable management
• Power Protection: Overvoltage, overload, and short circuit protection

This power supply is designed to handle the intense power demands of high-performance components like the Intel Core Ultra processor and NVIDIA GeForce RTX 5090, ensuring smooth and reliable performance.

Power Unit: OMEN NETZTEILE

The OMEN NETZTEILE power unit is a specially designed unit that provides efficient and reliable power delivery to all of the system's components. Built with durability and performance in mind, it ensures that your gaming rig performs consistently under pressure.

• Modular Design: For easy installation and clean cable management
• Power Protection: Overvoltage, under-voltage, and short circuit protection
• Energy Efficiency: High efficiency to reduce energy consumption and heat

This power unit is built for high-demand applications, making it an ideal choice for power-hungry systems like the OMEN 45L.

Case Fans: OMEN GEHÄUSELÜFTER

The OMEN GEHÄUSELÜFTER case fans are designed to provide optimal airflow within the OMEN 45L chassis. These fans help maintain a balanced temperature by ensuring that cool air is efficiently circulated through the system while expelling hot air effectively.

• Fan Speed: Adjustable for different workloads
• Noise Level: Designed for minimal noise at peak performance
• Size: 120mm and 140mm fan options available
• Airflow: High static pressure to push air through dense heatsinks

The fans contribute to maintaining a quiet and efficient cooling environment for the OMEN 45L, ensuring peak performance without compromising on noise levels.

💨 Revolutionary Cooling: OMEN CRYO CHAMBER

The OMEN CRYO CHAMBER draws external air to cool internal components, supporting upgrades and stability. AIO liquid cooling and RGB fans improve thermal management. The OMEN Gaming Hub gives you fan control and RGB customization.

🎮 Graphics and Gaming Performance

With RTX 5090, the OMEN 45L handles modern AAA titles in 4K flawlessly. Ray Tracing, DLSS 4.7, and AI-enhanced rendering provide immersive gameplay and efficient performance for creatives as well.

🔧 Customization and Upgrades

Tool-free access, modular PSU, and extensive cooling options make the OMEN 45L a dream for DIY users. Expand storage, memory, or GPU with ease.

📊 OMEN 45L vs Competitors

🔥 Pros and Cons

• Pros:
  • Top-tier performance for gaming and creative work
  • Innovative Cryo Chamber cooling
  • DIY-friendly, highly customizable
  • Supports RTX 5090 and advanced CPUs
  • AI-enhanced visuals with DLSS 4.7
• Cons:
  • Premium pricing
  • Large chassis footprint

🔁 Upgradeability & Customization

One of the OMEN 45L's standout features is its excellent upgrade potential. Whether you're adding more RAM, expanding storage, or swapping GPUs, HP's spacious case and tool-less design make hardware changes straightforward.

• Tool-less access to internals 🛠️
• Supports full-sized GPUs & ATX PSUs
• Multiple M.2 and SATA storage bays
• Extra slots for RAM upgrades

This PC is built for longevity, letting users evolve their build over time without replacing the entire system.

❓ Frequently Asked Questions

Q1: Is the OMEN 45L good for 4K gaming?
A: Yes, thanks to its RTX 5090 GPU, it handles 4K gaming with ultra settings smoothly.

Q2: Can I upgrade the OMEN 45L in the future?
A: Absolutely. It supports tool-free upgrades for memory, storage, GPU, and cooling.

Q3: Does the OMEN 45L come with pre-installed software?
A: It includes Windows 11, OMEN Gaming Hub, and minimal bloatware.

Q4: How effective is the Cryo Chamber cooling system?
A: It's extremely effective. It separates the cooling components into a dedicated chamber, reducing thermal stress on the CPU and GPU and improving airflow.

Q5: Is the OMEN 45L suitable for video editing and 3D rendering?
A: Yes. With its powerful processor, RTX 5090 GPU, and fast DDR5 memory, it's an excellent choice for professional creative workloads.

Q6: What size PSU should I choose—850W or 1000W?
A: If you plan to upgrade further (e.g., more drives, peripherals, or high-power GPUs), the 1000W option provides better headroom and efficiency.

Q7: Does the OMEN 45L support Wi-Fi 6E and Bluetooth 5.3?
A: Yes, it supports both modern connectivity standards out of the box for faster wireless performance and low latency.

💡 More FAQs About the OMEN 45L

🖥️ Q8: Does the OMEN 45L support dual monitors?
A: Yes, with multiple video outputs including HDMI and DisplayPort via the RTX 5090, you can easily connect dual or even triple monitors.

🔌 Q9: What type of power supply does it come with?
A: It offers options for 850W or 1000W modular ATX 3.1 power supplies, ideal for future-proofing and high-demand components.

🎮 Q10: Can it run demanding games like Cyberpunk 2077 or Starfield at max settings?
A: Absolutely. The RTX 5090 and Intel Ultra 9 combo ensures smooth gameplay in 4K with ray tracing and maxed-out visuals.

🧊 Q11: What is the benefit of the Cryo Chamber cooling system?
A: The Cryo Chamber uses a dedicated compartment to pull in fresh air from outside the chassis, significantly lowering CPU and GPU temperatures, improving stability, and extending component lifespan.

🛠️ Q12: Is it suitable for content creation like 3D rendering or video editing?
A: Yes, it's an excellent workstation for creatives. The 64GB DDR5 memory, ultra-fast CPU, and GPU acceleration make it perfect for editing, rendering, and AI tasks.

📦 Q13: What's included in the box?
A: You'll receive the OMEN 45L desktop, power cable, setup guide, and sometimes a bundled keyboard and mouse depending on the retailer. Always check the package contents before purchasing.

✅ Conclusion

The OMEN 45L is a beast of a desktop that offers unmatched performance, advanced cooling, and customizable options, making it one of the top choices for gamers and professionals alike. Whether you're gaming at the highest settings or working on resource-intensive creative tasks, this machine is built to handle it all.

If you want to elevate your computing experience, the OMEN 45L is definitely worth considering. Ready to upgrade? Check out the latest deals and get yours today!

🔗 Official OMEN 45L Product Page

💵 The Price Tag: Premium Performance at a Cost

🏁 Final Verdict – Is the HP OMEN 45L Worth It?

The HP OMEN 45L (2025) is a monster in every sense. From its jaw-dropping power to the cooling precision and futuristic design, it's the ideal desktop for gamers, creators, and tech professionals looking for zero compromise. If you can handle the price and space, this is the ultimate desktop PC of 2025.

Thinking of building your next rig with OMEN 45L? Let's talk in the comments — or share your setup photos! 🖼️🔥

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HP OMEN 45L 2025 Review: AI-powered desktop with RTX 5090, Cryo Chamber, and insane gaming performance. Ideal for creators and developers.

Written by ReviewsDN Team, your trusted source for honest hardware reviews. Visit us at ReviewsDN.com