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Shadow black tower chassis with RGB fans and 360mm AIO liquid cooler visible through side panel

HP

HP OMEN MAX 45L Gaming PC Ryzen 9 9900X3D RTX 5090 32GB DDR5 4TB

SKU CH-ZPC3-VDAG3

Gaming desktop with AMD Ryzen 9 9900X3D 12-core processor, NVIDIA RTX 5090 32GB GDDR7 graphics, 32GB DDR5 memory and 4TB NVMe storage

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage4 TB PCIe
  • GraphicsGeForce RTX 5090
  • Operating systemWindows 11 Pro
  • 12-core Ryzen 9 9900X3D with 128 MB cache powers heavy multitasking
  • RTX 5090 32 GB GDDR7 delivers VR-ready graphics performance
  • 32 GB DDR5 memory supports fast data throughput
  • 4 TB PCIe SSD provides ample game and media storage
  • 1200 W PSU with 360 mm AIO keeps components cool under load

Built for 4K gaming and heavy workloads

This HP OMEN MAX 45L tower pairs a Ryzen 9 9900X3D processor with 12 cores and 24 threads with an RTX 5090 graphics card carrying 32GB GDDR7 memory. 32GB DDR5 system memory and a 4TB PCIe NVMe SSD provide capacity for large game libraries and content-creation projects. Windows 11 Pro is pre-installed.

1200W PSU and 360mm AIO keep thermals in check

The 1200 watt power supply delivers headroom for the CPU and GPU under sustained load while the 360mm liquid cooler manages processor temperatures. WiFi 7 and Bluetooth 5.4 handle wireless connectivity, and the rear I/O includes HDMI, three DisplayPort outputs, three USB 3.2 Type-C ports and four USB 2.0 ports. A bundled USB hub adds extra ports for peripherals.

Steps up from mid-range desktops with lesser GPUs

Builders moving from systems limited to 1080p or 1440p performance gain 4K frame rates and VR readiness in a single chassis. The 4TB drive removes the need for secondary storage upgrades, and the 1200W unit supports the installed components without extra cables. Buyers who need more than 32GB system memory or multiple graphics cards should look elsewhere.

How it compares

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

Price $5,068.99
Pricier than about 86% of the 24,925 comparable items (median $2,694.99).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.
SSD storage 4 TB PCIe
Higher than about 70% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHP
Model nameOMEN
Product typeGaming & Entertainment
Processor
ProcessorAMD Ryzen 9 9000 Series
L3 cache per CPU128 MB Cache
Memory
RAM capacity32 GB DDR5
Storage
SSD storage4 TB PCIe
Hard driveNo
Storage configuration4 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
GPU interfaceDedicated Card
VR readyVR Ready
Connectivity
Wi-Fi802.11be
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 Pro

Questions about this item

How does the 1200W PSU handle sustained loads from the Ryzen 9 9900X3D and RTX 5090?

The 1200W power supply is sized to deliver continuous power to the 12-core Ryzen 9 9900X3D and the RTX 5090 with 32GB GDDR7 under full load.

What cooling keeps the system quiet during all-day gaming sessions?

A 360mm AIO liquid cooler handles the CPU while RGB fans move air through the Shadow Black tower chassis for sustained thermal performance.

Which display cables do I need for the RTX 5090 outputs?

The graphics card provides one HDMI and three DisplayPort connectors so you can attach up to four compatible monitors directly.

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