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Black tower case with RGB fans and 360mm AIO cooler, front panel ports visible

HP

HP OMEN 45L Gaming PC Intel Core Ultra 9 285K RTX 5090 32GB 128GB DDR5 1TB SSD

SKU CH-PYR0-8S7DC

A tower gaming desktop driven by a 24-core Intel Core Ultra 9 285K processor up to 5.7 GHz, 128 GB DDR5 memory and a GeForce RTX 5090 with 32 GB GDDR7, plus a 1 TB NVMe SSD, 1200 W power supply.

  • TypeGaming & Entertainment
  • Form FactorTower
  • Power Supply1200W
  • MonitorMonitor not included
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core Ultra 9
  • Intel Core Ultra 9 285K with 24 cores reaches 5.7 GHz for high-speed processing
  • GeForce RTX 5090 32GB GDDR7 graphics deliver VR-ready visual performance
  • 128GB DDR5 memory enables smooth multitasking across demanding workloads
  • 1TB PCIe NVMe SSD provides fast storage access for games and applications
  • 360mm AIO liquid cooling and 1200W PSU sustain stable operation under heavy loads

HP OMEN 45L Gaming Desktop

This HP OMEN 45L tower is a new gaming desktop PC built around an Intel Core Ultra 9 285K processor with 24 cores and 36MB cache. It pairs that CPU with a GeForce RTX 5090 graphics card carrying 32GB of GDDR7 memory. The system includes 128GB of DDR5 RAM and a 1TB PCIe NVMe SSD. A 1200W power supply drives the components while a 360mm AIO cooler manages thermals. Windows 11 Home is pre-installed.

Suits 4K creators and VR enthusiasts

The 32GB GDDR7 frame buffer and 128GB DDR5 capacity serve professionals rendering complex 3D scenes or running large language models locally. VR Ready certification supports immersive headsets without extra configuration. Buyers who need more than 1TB of fast internal storage or who require multiple additional drive bays should look at platforms with greater expansion headroom. The fixed 1200W PSU also limits future GPU upgrades beyond the current flagship tier.

1TB PCIe NVMe and 128GB DDR5 headroom

The 1TB NVMe SSD loads modern titles and project files quickly, though heavy mod libraries or raw footage archives will fill it rapidly. The 128GB DDR5 kit handles simultaneous gaming, streaming and background compute tasks with ample overhead. Memory slots may be occupied by the factory configuration, so further RAM increases could require module replacement rather than simple addition.

Highlights

  • Intel Core Ultra 9 285K with 24 cores reaches 5.7 GHz for high-speed processing
  • GeForce RTX 5090 32GB GDDR7 graphics deliver VR-ready visual performance
  • 128GB DDR5 memory enables smooth multitasking across demanding workloads
  • 1TB PCIe NVMe SSD provides fast storage access for games and applications
  • 360mm AIO liquid cooling and 1200W PSU sustain stable operation under heavy loads

Specifications

BrandHP
ModelOMEN
TypeGaming & Entertainment
Form FactorTower
Power Supply1200W
MonitorMonitor not included
Operating SystemWindows 11 Home
CPU TypeIntel Core Ultra 9
L3 Cache Per CPU36MB
GPU/VGA TypeGeForce RTX 5090
Graphics InterfaceDedicated Card
Virtual Reality ReadyVR Ready
Memory Capacity128GB DDR5
SSD1 TB
HDDNo
Storage Spec1TB PCIe SSD
Optical Drive TypeNo
Screen SizeNo Screen
WLANWi-Fi 6E AX211
BluetoothBluetooth 5.4
Card ReaderNo
RJ45Yes

Questions about this item

Does the HP OMEN 45L include a monitor, or must I supply my own display?

The system ships without a monitor; you will need to connect your own display using the HDMI, three DisplayPort outputs, or the Thunderbolt 4 port on the RTX 5090.

Can I keep my existing USB 2.0 peripherals such as a keyboard, mouse, or headset with this desktop?

Yes, the chassis provides six USB 2.0 ports alongside a USB 3.2 Type-C and Thunderbolt 4, so legacy USB 2.0 devices will work directly.

After assembly, how can I verify the RTX 5090 is running with its full 32 GB of GDDR7 memory?

Open Windows Task Manager, select the Performance tab, choose GPU 0, and confirm the dedicated GPU memory reads 32 GB.

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