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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

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage8 TB
  • GraphicsGeForce RTX 5090
  • Operating systemWindows 11 Pro
  • 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.

How it compares

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

Price $5,636.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 8 TB
Higher than about 99% 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 capacity64 GB DDR5
Storage
SSD storage8 TB
Hard driveNo
Storage configuration8 TB PCIe SSD
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 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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