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

HP

HP OMEN MAX 45L Gaming Desktop PC Ryzen 9 9900X3D RTX 5090 32GB GDDR7 64GB DDR5 4TB SSD

SKU CH-TEPQ-BZMK9

Gaming desktop with a Ryzen 9 9900X3D, RTX 5090 32GB GDDR7, 64GB DDR5 and 4TB NVMe SSD

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage2x 2 TB
  • GraphicsGeForce RTX 5090
  • Operating systemWindows 11 Pro
  • Ryzen 9 9900X3D with 12 cores and 24 threads powers heavy workloads
  • RTX 5090 32GB GDDR7 delivers VR-ready graphics performance
  • 64GB DDR5 memory supports multitasking and demanding applications
  • 4TB PCIe SSD provides fast storage for large game libraries
  • 1200W PSU and 360mm AIO cooling sustain peak performance under load

System identity

This HP OMEN MAX 45L tower is built for enthusiasts who want a complete, high-performance gaming desktop without assembling parts themselves. It ships with Windows 11 Pro and a bundled USB port expander for extra connectivity.

Build and connections

The Shadow Black chassis houses a 360mm AIO cooler, RGB lighting and a 1200W power supply to support the installed components. Front and rear I/O provides four USB 2.0 ports, three USB 3.2 Type-C ports, HDMI, three DisplayPort outputs and a headset jack alongside WiFi 7 and Bluetooth 5.4 wireless.

Deciding specification

The system pairs a Ryzen 9 9900X3D processor with 128MB L3 cache and 24 threads with an RTX 5090 graphics card carrying 32GB GDDR7 memory. Buyers who need more than 4TB of NVMe storage or a different GPU tier should look elsewhere.

How it compares

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

Price $4,920.99
Pricier than about 85% 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 2x 2 TB
Typical for this category: the median of 24,468 items is 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 storage2x 2 TB
Hard driveNo
Storage configuration4 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

What Wi-Fi standard does the OMEN MAX 45L use and what real-world speed limit does it impose?

It uses WiFi 7 (802.11be), so the wireless link caps at the router and client capabilities rather than the desktop itself.

What clearance and power connections does the RTX 5090 32GB GDDR7 card require inside the 45L chassis?

The card occupies a standard full-height PCIe slot and draws power through the 1200W supply's native 12VHPWR connector; the 360mm AIO leaves the top PCIe slot accessible.

How is the 64GB DDR5 memory installed and which slot population mistake do builders repeat?

Four DIMM slots are filled in matched pairs — two per channel — so populating a single stick per channel leaves half the bandwidth unused.

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