HP OMEN 45L Gaming 5090 Desktop PC, Intel Core Ultra 9 285K, GeForce RTX 5090, 128GB DDR5, 4+4TB SSD, Support 4-Display 4K, Light Studio, HDMI, DP, Wi-Fi 6E, Win 11 Pro, AI-Ready Workstation Desktop

PCONLINE

PCONLINE HP OMEN 45L Gaming 5090 Desktop PC

Name: HP OMEN 45L Gaming 5090 Desktop PC, Intel Core Ultra 9 285K, GeForce RTX 5090, 128GB DDR5, 4+4TB SSD, Support 4-Display 4K, Light Studio, HDMI, DP
Brand: PCONLINE
SKU: B0GTYVXWTC

Status: HP OMEN 45L Gaming 5090 Desktop PC (Core Ultra 9 285K RTX 5090 gaming PC): Unavailable on Amazon as of 2026-10-21 22:19 UTC. SpecPicks has no in-stock Core Ultra 9 285K RTX 5090 gaming PC on file; an Amazon search for "Core Ultra 9 285K RTX 5090 gaming PC" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The PCONLINE Core Ultra 9 285K / RTX 5090 prebuilt has GeForce RTX 5090 graphics, 128GB of DDR5 RAM and a 4TB SSD.

Unavailable on Amazon as of 2026-10-21 22:19 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Pairs a Core Ultra 9 285K processor with GeForce RTX 5090 graphics
✓ 128GB of DDR5 RAM leaves headroom for gaming alongside streaming or creative apps

Cons

✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

【High Speed RAM And Enormous Space】128GB DDR5 RAM to smoothly run multiple applications and browser tabs all at once; 8TB PCIe NVMe M.2 Solid State Drive allows to fast bootup and data transfer 【Processor】Dominate any game or creative task with the latest Intel Core Ultra 9 285K processor (16 Cores, 16 Threads, 36MB L3 Cache, up to 5.7GHz) and GeForce RTX 5090 graphics (32GB GDDR7). Designed for gaming, video editing, 3D rendering, and professional graphic design software like Adobe Creative Cloud, Blender, and AutoCAD. 【Tech Specs】4 x USB Type-A 5Gbps signaling rate, 1 x USB Type-C 10Gbps…

SpecPicks Verdict

SpecPicks scored PCONLINE HP OMEN 45L Gaming 5090 Desktop PC using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the prebuilt gaming pcs category. PCONLINE's prebuilt gaming pcs lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for prebuilt gaming pcs of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

【High Speed RAM And Enormous Space】128GB DDR5 RAM to smoothly run multiple applications and browser tabs all at once; 8TB PCIe NVMe M.2 Solid State Drive allows to fast bootup and data transfer
【Processor】Dominate any game or creative task with the latest Intel Core Ultra 9 285K processor (16 Cores, 16 Threads, 36MB L3 Cache, up to 5.7GHz) and GeForce RTX 5090 graphics (32GB GDDR7). Designed for gaming, video editing, 3D rendering, and professional graphic design software like Adobe Creative Cloud, Blender, and AutoCAD.
【Tech Specs】4 x USB Type-A 5Gbps signaling rate, 1 x USB Type-C 10Gbps signaling rate, 1 x USB Type-C 40Gbps signaling rate, 6 x USB Type-A 2.0, 1 x RJ-45, 1 x HDMI, 3 x DisplayPort, 1 x headphone/microphone combo, 1 x microphone, 1 x 3.5 mm audio jack, Wi-Fi 6E & Bluetooth
【Patented Coolong Extreme Performance】Built for extreme performance, the OMEN 45L Gaming Desktop PC is designed for gaming from the ground up. Powered by the latest Intel Processor, the OMEN by HP gaming desktop takes cooling to incredible heights with a unique cooling chamber. Created for easy tool-less upgradeability with industry standard components to meet your gaming needs.
【Operating System】Windows 11 Pro - Organize open apps with pre-configured layouts to optimize productivity, Navigate with more intuitive experience to get things done, Collaborate with teams with more features

Full Specifications

Size	128GB RAM \| 4+4TB SSD
Brand	PCONLINE
Color	Black
Model	TPC-W062-MT
UnitCount	1
Manufacturer	HP Inc.
Full listing title	HP OMEN 45L Gaming 5090 Desktop PC, Intel Core Ultra 9 285K, GeForce RTX 5090, 128GB DDR5, 4+4TB SSD, Support 4-Display 4K, Light Studio, HDMI, DP, Wi-Fi 6E, Win 11 Pro, AI-Ready Workstation Desktop

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 5090 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Related benchmarks: Intel Core Ultra 9 285K benchmarks

Which local LLMs fit in 32 GB?

32 GB holds a 30–35B model at Q4 with a long context window; a 70B model runs only with layers resident in system RAM.

✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
✅ 20–27B models (Gemma 3 27B, Mistral Small) — fits at Q4
✅ 30–35B models (Qwen 3 32B, QwQ 32B) — fits at Q4
❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+

Across 6 community runs from 4 sources, the NVIDIA GeForce RTX 5090 generates a median 185.9 tok/s on 7–9B models at Q4 (per Hardware Corner).

Per-model VRAM guide: which GPU for which LLM →

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