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Large black tower case with glass side panel and RGB lighting visible inside

HP

HP OMEN MAX 45L Desktop PC AMD Ryzen 9 9900X3D 64 GB 2 TB RTX 5090 32 GB Windows 11 Pro

SKU CH-5076-JNA3H

A 45 L gaming desktop with a 12-core Ryzen 9 9900X3D, 64 GB DDR5-6000 memory, 2 TB NVMe storage and an RTX 5090 with 32 GB GDDR7

  • Screen sizeNo Screen
  • RAM capacityKingston FURY 64 GB DDR5-6000 MT/s EXPO™ RGB Heatsink (2 × 3
  • GPU modelIntegrated: AMD Radeon™ GraphicsDiscrete: NVIDIA® GeForce RT
  • Operating systemWindows 11 Pro
  • Included monitorNot included
  • Wi-FiMediaTek Wi-Fi 7 MT7925 (2 × 2) and Bluetooth® 5.4 wireless
  • AMD Ryzen 9 9900X3D with 12 cores and 5.5 GHz boost clock
  • NVIDIA RTX 5090 graphics with 32 GB GDDR7 dedicated memory
  • 64 GB DDR5-6000 Kingston FURY RGB memory in dual-channel configuration
  • 2 TB PCIe Gen4 NVMe M.2 SSD for fast storage
  • Patented Cryo Chamber cooling keeps CPU up to 7.5% cooler

Gaming desktop for maximum FPS

The OMEN MAX 45L desktop targets gamers who want the highest frame rates in current titles. It ships with Windows 11 Pro and uses standard industry components so the system can be upgraded later. The 49.8200 lb chassis holds a patented Cryo Chamber cooling design.

RTX 5090 with 32 GB GDDR7

The discrete NVIDIA GeForce RTX 5090 provides 32 GB of GDDR7 video memory for 4K and high-refresh gaming. Integrated AMD Radeon graphics are also present on the Ryzen 9 9900X3D processor. Video output uses one HDMI 2.1b and three DisplayPort 2.1b connectors.

Tool-free access with standard parts

The case uses tool-less panels and industry-standard mounting so memory, storage and graphics cards can be swapped without proprietary brackets. The Cryo Chamber isolates the CPU cooler from the main chassis airflow. Buyers who need a smaller footprint or a lower-weight system should consider other form factors.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $4,333.99
Pricier than about 92% of the 14,711 comparable items (median $494.99).
RAM capacity Kingston FURY 64 GB DDR5-6000 MT/s EXPO™ RGB Heatsink (2 × 32 GB)
Higher than about 90% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameOMEN
Part numberCK4N6AA#ABA
Memory
RAM capacityKingston FURY 64 GB DDR5-6000 MT/s EXPO™ RGB Heatsink (2 × 32 GB)
Display
Screen sizeNo Screen
Graphics
GPU modelIntegrated: AMD Radeon™ GraphicsDiscrete: NVIDIA® GeForce RTX™ 5090 (32 GB GDDR7 dedicated)
Connectivity
Wi-FiMediaTek Wi-Fi 7 MT7925 (2 × 2) and Bluetooth® 5.4 wireless card
Bluetooth supportBluetooth® 5.4
Ports & slots
Video connectors1 HDMI 2.1b;3 DisplayPort™ 2.1b
Size & build
Product weight49.82 lb (22.6 kg)
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How does the Ryzen 9 9900X3D's 5.5 GHz boost clock translate to gaming frame rates once the desktop is assembled?

The 12-core, 24-thread processor reaches 5.5 GHz max boost, feeding the RTX 5090 with high single-thread speed that helps push frame rates in CPU-bound titles while the 128 MB L3 cache reduces latency.

What does the HDMI 2.1b and DisplayPort 2.1b specification actually cap for external displays?

The video outputs follow HDMI 2.1b and DisplayPort 2.1b standards, so they support the full bandwidth those specifications define for 4K and 8K resolutions with high refresh rates and HDR.

Will the 45L chassis and Cryo Chamber cooling fit on a standard desk without special mounting?

The 45L tower weighs 49.8200 lb and uses industry-standard dimensions, so it sits on any sturdy desk or floor space without proprietary brackets or wall-mount hardware.

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