The OMEN by HP 40L Gaming Desktop is the ultimate companion on your gaming journey. Powered by the latest Intel® Processor[1] and advanced graphics, the OMEN Desktop has a superior cooling system that prevents overheating. Designed for easy tool-less upgradeability, the OMEN Desktop will give you top-tier performance to meet your gaming needs.

Description

Keep Reinventing

Stay cool under pressure

All-around strategic placed fans prevent overheating even when your game heats up.

Tool-less design

Easily upgrade and expand the memory, storage drives, and interior expansion slots to fit your gaming needs.

OMEN Gaming Hub

The OMEN Gaming Hub elevates everything from software enhancements, hardware controls, to live services.

Specifications

Barcode (GTIN)	198122719754
Product Type	Gaming PCs
Brand	OMEN
Model	GT21-2026A
Colour	Black
Processor Brand	Intel
Processor Type	Intel Core i7
Processor Model	14700K
Processor Max Speed (GHz)	5.6
Installed RAM	64GB
RAM Configuration	4 x 16GB
RAM Type	DDR5
Primary Storage Capacity	1TB
Storage Type	SSD
Additional Storage Capacity	2TB
Additional Storage Type	HDD
Wireless Networking	Bluetooth 5.3, Wi-Fi 6E
GPU Chipset Manufacturer	NVIDIA
GPU Chipset	GeForce RTX 4090
Graphics Card Memory	24GB
Connectivity	2x USB 2.0 Type A, 2x USB Type A, 2x USB Type C, DisplayPort, RJ45
Audio Ports	Headphone/Microphone Combo, Microphone Jack
USB Ports	10
Operating System	Windows 11
Weight (kg)	19.28
Manufacturers Express Warranty (months)	12

Reviews

From the Manufacturer

Buying guides

Gaming PC Setup and Buying Guide

Gaming PCs deliver the ultimate gaming experience. This guide looks at gaming hardware - from CPUs and graphics cards to cutting edge SSD storage, so you can find the device that’s right for you.

How to Upgrade to Windows 11: What You Need to Know

With support for Windows 10 ending, get set to switch to Windows 11! This guide is your ultimate upgrade survival kit — covering top differences between Windows 10 and 11, your PC compatibility checklist, plus quick-fire answers to the most commonly asked questions.

Ask a question

Terms and conditions

HP OMEN 40L GT21-2026a i7-14700K/64GB/1TB SSD/2TB HDD Gaming Desktop

Name: HP OMEN 40L GT21-2026a i7-14700K/64GB/1TB SSD/2TB HDD Gaming Desktop
Brand: OMEN
SKU: A14MDPA
Price: 7999 AUD
Availability: OutOfStock
Rating: 4.3 (21 reviews)

A14MDPA 198122719754

^$7999

Product Care® Replace: No thanks

Compare

© 2026 Harvey Norman Online | Harvey Norman Online is operated by the eComm Store Pty Ltd, an independent franchisee. Harvey Norman Stores are operated by independent franchisees.

Subject to the terms and conditions goods and services described in this website are available from Harvey Norman online only, unless expressly stated otherwise.

Keep Reinventing

Stay cool under pressure

Tool-less design

OMEN Gaming Hub

HP OMEN 40L GT21-2026a i7-14700K/64GB/1TB SSD/2TB HDD Gaming Desktop

GTM