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Insanely powerful RTX 5090 and Ryzen 9900X3D PC comes with 64GB DDR5 RAM and 4TB SSD storage and is hundreds of dollars cheaper in Amazon deal

There’s also a 128GB DDR5 RAM and 8TB SSD specced version on offer if you really want to push the boat out

Aaron Ritchie

Last Updated on August 31, 2026

Insanely powerful RTX 5090 and Ryzen 9900X3D PC comes with 64GB DDR5 RAM and 4TB SSD storage and is hundreds of dollars cheaper in Amazon deal

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What we like about this HP OMEN MAX 45L Gaming Desktop

Ryzen 9 9900X3D with 12 cores and 3D V-Cache
Prime Day may have ended, but that hasn't stopped major retailers slashing prices on popular tech hardware. Below, we've listed some of the best deals available today.
GeForce RTX 5090 with 32GB GDDR7
64GB DDR5 memory
4TB PCIe NVMe SSD
Second-generation Cryo Chamber cooling
Extensive high-speed connectivity

Who should buy this Ryzen 9900X3D and RTX 5090 PC deal?
More gaming PC deals

This HP OMEN MAX 45L PC is quite simply one of the highest spec computers we’ve ever seen. Not only does it come with the most powerful consumer graphics card that money can buy – the NVIDIA GeForce RTX 5090 – plus the AMD Ryzen 9 9900X3D processor – a hugely powerful CPU for gaming and multi-core productivity software, but it also has a colossal amount of RAM and storage. As a result, not only is this a perfect 4K gaming machine, but it’s also a perfect workstation PC for high-end productivity software, capable of taking on whatever workload you want to throw at it, even advanced simulation, AI development and machine learning, CGI work or 8K resolution video editing. The second-generation Cryo Chamber cooling, extensive USB connectivity, Wi-Fi 7, and multi-display outputs further strengthen its credentials in these areas. Save $350 off the price of this model, or pick up the 128GB DDR5 RAM and 8TB SSD model for a saving of $400.

Prices and savings subject to change. Click through to get the current deal prices.

Save 5% now!

HP OMEN 45L

Intel Core Ultra 9 285K, GeForce RTX 5090, 128GB DDR5, 4TB SSD, Support 4-Display 4K, Light Studio, HDMI, DP, Wi-Fi 6E, Windows 11 Pro, AI-Ready

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Deal @ Amazon

The PC comes with Windows 11 Pro rather than just Windows 11 Home. The Pro edition adds functionality aimed more at professional and business environments, making it more appropriate for a machine that may be used for workstation workloads as well as gaming. Read below for more information on the various specifications, or see the bottom of this page for more PC deals.

What we like about this HP OMEN MAX 45L Gaming Desktop

Ryzen 9 9900X3D with 12 cores and 3D V-Cache

The HP OMEN MAX 45L is built around AMD’s Ryzen 9 9900X3D, a 12-core, 24-thread processor with up to a 5.5GHz boost clock and a substantial 128MB of L3 cache. The large cache allocation is particularly valuable in gaming workloads, where reducing memory-access latency can improve frame-rate consistency, while the high core and thread count gives the system considerably more headroom for rendering, editing, compiling, and other heavily parallel workloads.

Prime Day may have ended, but that hasn't stopped major retailers slashing prices on popular tech hardware. Below, we've listed some of the best deals available today.

Prices correct as of October 9th, 2026.

GeForce RTX 5090 with 32GB GDDR7

The GeForce RTX 5090 is the defining component of this configuration. Its 32GB of GDDR7 VRAM gives the system a large graphics-memory pool for 4K gaming, ray tracing, high-resolution texture packs, GPU rendering, AI workloads, and complex professional projects, making the OMEN MAX 45L suitable for far more than conventional gaming.

64GB DDR5 memory

With 64GB of DDR5 RAM installed, the system has enough memory for demanding multitasking, professional creative applications, large project files, virtual machines, and memory-intensive workflows. It also reduces the likelihood of applications falling back to slower storage-based paging when several large programs are open at once.

4TB PCIe NVMe SSD

The 4TB PCIe NVMe M.2 SSD provides both substantial capacity and high storage throughput. That makes the system particularly practical for large modern game libraries, 4K and 8K video assets, 3D projects, datasets, and other workloads where both transfer speed and capacity matter.

Second-generation Cryo Chamber cooling

HP’s second-generation Cryo Chamber is designed to improve CPU cooling by separating part of the thermal system from the hotter internal airflow of the main chassis. HP claims the revised design can reduce CPU temperatures by up to 7.5°C under full load, which can help maintain higher sustained boost behavior during long gaming, rendering, or encoding sessions.

Extensive high-speed connectivity

The system provides four USB-A 5Gbps ports, three USB-C 10Gbps ports, four additional USB-A 2.0 connections, Ethernet, HDMI, three DisplayPort outputs, and multiple audio connections. Wi-Fi 7 and Bluetooth further expand the connectivity options, making the desktop well equipped for high-speed networking, external storage, peripherals, capture devices, and multi-monitor setups.

Who should buy this Ryzen 9900X3D and RTX 5090 PC deal?

The HP OMEN MAX 45L is designed for enthusiasts who want an extremely high-end gaming PC but also need enough CPU, GPU, memory, and storage capacity for professional workloads. Its Ryzen 9 9900X3D and RTX 5090 combination makes it particularly appropriate for 4K high-refresh gaming, ray tracing, VR, streaming, video editing, 3D rendering, animation, CAD, and GPU-accelerated creative applications. It’s also a strong choice for users running several high-resolution monitors. Three DisplayPort outputs and one HDMI connection give the system the physical connectivity required for elaborate desktop setups, although maximum supported resolution and refresh rate will depend on the individual monitors and connection standards being used.