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Shadow black tower with RGB lighting and 360mm AIO visible through side panel

HP

HP OMEN MAX 45L Gaming Desktop Ryzen 9 9900X3D RTX 5090 64GB DDR5 8TB

SKU CH-EAHK-X2FRF

Tower gaming desktop with Ryzen 9 9900X3D, RTX 5090 32GB GDDR7, 64GB DDR5 and 8TB NVMe storage

  • TypeGaming & Entertainment
  • Form FactorTower
  • Power Supply1200W
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • CPU TypeAMD Ryzen 9 9000 Series
  • 12-core Ryzen 9 9900X3D reaches 5.5 GHz boost
  • RTX 5090 with 32 GB GDDR7 drives 4K and VR
  • 64 GB DDR5 memory handles heavy multitasking
  • 8 TB PCIe NVMe SSD stores massive libraries
  • 1200 W PSU and 360 mm AIO keep thermals stable

Built for 4K gaming and heavy content creation

This HP OMEN MAX 45L desktop pairs a 12-core Ryzen 9 9900X3D processor with an RTX 5090 graphics card carrying 32GB GDDR7 memory. The system ships with 64GB DDR5 RAM and an 8TB PCIe SSD. Windows 11 Pro is pre-installed and the chassis includes a 360mm AIO cooler plus RGB lighting.

Sustained load handling

The 1200W power supply feeds both the CPU and GPU during extended sessions. A 360mm liquid cooler manages processor thermals while the tower airflow supports the graphics card. WiFi 7 and Bluetooth 5.4 maintain stable wireless connectivity throughout long workloads.

The 32GB GDDR7 frame buffer decides fit

This VRAM capacity lets the RTX 5090 hold massive texture sets and large language models without swapping to system memory. Buyers who need more video memory for multi-GPU scaling or specialised compute cannot expand it on this card.

Highlights

  • 12-core Ryzen 9 9900X3D reaches 5.5 GHz boost
  • RTX 5090 with 32 GB GDDR7 drives 4K and VR
  • 64 GB DDR5 memory handles heavy multitasking
  • 8 TB PCIe NVMe SSD stores massive libraries
  • 1200 W PSU and 360 mm AIO keep thermals stable

Specifications

BrandHP
ModelOMEN
TypeGaming & Entertainment
Form FactorTower
Power Supply1200W
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeAMD Ryzen 9 9000 Series
L3 Cache Per CPU128MB Cache
GPU/VGA TypeGeForce RTX 5090
Graphics InterfaceDedicated Card
Virtual Reality ReadyVR Ready
Memory Capacity64GB DDR5
SSD8 TB
HDDNo
Storage Spec8TB PCIe SSD
Optical Drive TypeNo
Screen SizeNo Screen
WLAN802.11be
BluetoothBluetooth 5.4
Card ReaderNo
RJ45Yes

Questions about this item

How loud and hot does the 360mm AIO and 1200W PSU get under sustained load?

The 360mm AIO liquid cooler is designed to handle the Ryzen 9 9900X3D and RTX 5090 thermals, while the 1200W power supply provides headroom for full-system draw without excessive fan speed.

What display and peripherals must I already own to use this tower?

No monitor is included, so you need a display with HDMI or DisplayPort input. A keyboard and mouse connect via the four USB 2.0 ports or three USB 3.2 Type-C ports.

Will my older PCIe 3.0 NVMe drives work alongside the 8TB PCIe SSD?

The motherboard supports additional NVMe drives; older PCIe 3.0 units will function at their rated speeds while the 8TB boot drive runs at full PCIe 4.0 or 5.0 performance.

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