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Black tower gaming desktop with RGB lighting and 360mm AIO cooler

HP

HP OMEN 45L Gaming PC Ultra 9 285K RTX 5090 128GB DDR5 2TB

SKU CH-1KWC-VMZD6

High-performance gaming desktop with Intel Core Ultra 9 285K, RTX 5090 32GB GDDR7, 128GB DDR5, and 2TB PCIe SSD

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9
  • RAM capacity128 GB DDR5
  • SSD storage2 TB
  • GraphicsGeForce RTX 5090
  • Operating systemWindows 11 Home
  • Intel Core Ultra 9 285K with 24 cores drives heavy workloads
  • GeForce RTX 5090 32GB GDDR7 delivers top-tier graphics performance
  • 128GB DDR5 memory handles multitasking and large datasets smoothly
  • 2TB PCIe NVMe SSD provides fast storage for games and files
  • 360mm AIO liquid cooling with 1200W PSU sustains peak performance

HP OMEN 45L Gaming Desktop

The HP OMEN 45L is a new gaming desktop built around an Intel Core Ultra 9 285K processor and a GeForce RTX 5090 graphics card with 32GB GDDR7 memory. It ships with 128GB DDR5 RAM and a 2TB PCIe NVMe SSD. A 1200W power supply, 360mm AIO cooling, and Wi-Fi 6E AX211 connectivity complete the platform.

Suited for 4K gaming and heavy multitasking

This system targets users who need 24 cores and 24 threads at up to 5.7GHz for demanding workloads alongside high-frame-rate 4K play. The single 2TB drive and lack of a 3.5-inch bay mean builders who want more storage or additional internal drives should look at a different chassis.

128GB DDR5 and RTX 5090 headroom

The 128GB DDR5 capacity handles large datasets, virtual machines, and creative timelines without paging. The RTX 5090 32GB GDDR7 drives 4K gaming and GPU compute tasks comfortably. Storage headroom ends at 2TB unless external Thunderbolt or USB 3.2 devices are added.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $5,124.99
Pricier than about 86% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% of the 24,338 comparable items (median 32 GB).
SSD storage 2 TB
Typical for this category: the median of 24,468 items is 2 TB.

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Specifications

Product
Brand nameHP
Model nameOMEN
Product typeGaming & Entertainment
Processor
ProcessorIntel Core Ultra 9
L3 cache per CPU36 MB
Memory
RAM capacity128 GB DDR5
Storage
SSD storage2 TB
Hard driveNo
Storage configuration2 TB PCIe SSD
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
GPU interfaceDedicated Card
VR readyVR Ready
Connectivity
Wi-FiWi-Fi 6E AX211
Bluetooth support5.4
Ports & slots
Memory card readerNo
Ethernet portYes
Power
Power supply1200 W
Size & build
Form factorTower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Home

Questions about this item

What display connections does the RTX 5090 provide for my monitor?

The GeForce RTX 5090 card includes one HDMI output and three DisplayPort outputs for connecting compatible monitors.

Does the 1200W power supply and 360mm AIO cooler support the 285K processor at its 5.7GHz boost?

Yes, the 1200W PSU and 360mm liquid cooler are designed to handle the Ultra 9 285K up to its maximum 5.7GHz turbo frequency.

How can I verify the system is using the dedicated RTX 5090 and not the integrated graphics after setup?

Open Device Manager or the NVIDIA Control Panel; both will list the GeForce RTX 5090 32GB GDDR7 as the active GPU for 3D workloads.

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