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OMEN 40L Desktop GT21-0148z, Windows 11 Home, AMD Ryzen™ 7, 16GB RAM, 512GB SSD, 1TB HDD, AMD Radeon™ RX 6600

OMEN 40L Desktop GT21-0148z, Windows 11 Home, AMD Ryzen™ 7, 16GB RAM, 512GB SSD, 1TB HDD, AMD Radeon™ RX 6600

Energy Star
EPEAT
ENERGY STAR | Home

DiscontinuedThis product has been discontinued.

ColorBlack, glass side panel, dark chrome logo
  • Windows 11 Home
  • AMD Ryzen™ 7 processor
  • AMD Radeon™ RX 6600 XT Graphics (8 GB GDDR6 dedicated)
  • 16 GB memory; 1 TB HDD storage; 512 GB SSD storageSee all Specs
Product # 33V40AA#ABA

3% back in HP Rewards

Engineered for Sustainability
The OMEN by HP 40L Gaming Desktop is the ultimate companion on your gaming journey. Powered by the latest AMD 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 the top-tier performance to meet your gaming needs.
OMEN 40L Desktop GT21-0148z Bundle PC

Operating system

Windows 11 Home

Processor

AMD Ryzen™ 7 5800X (up to 4.7 GHz max boost clock, 32 MB L3 cache, 8 cores, 16 threads)[6,7]

Graphics

Integrated: AMD Radeon™ Graphics
Discrete: AMD Radeon™ RX 6600 XT Graphics (8 GB GDDR6 dedicated)

Memory

HyperX 16 GB DDR4-3733 MHz XMP RGB Heatsink RAM (2 x 8 GB)

Memory slots

4 DIMM

Storage

512 GB WD Black PCIe® NVMe™ TLC M.2 SSD

Secondary storage

1 TB 7200 rpm SATA HDD

Network interface

Integrated 10/100/1000 GbE LAN

Wireless technology

Realtek Wi-Fi 6 (2x2) and Bluetooth® 5.2 wireless card (supporting gigabit data rate); Realtek RTL8852BE Wi-Fi 6 (2x2) and Bluetooth®️ 5.3 wireless card (supporting gigabit data rate)[11,12,13]

Power supply

800 W 80 Plus Gold certified ATX power supply

External I/O Ports

Front : 2 USB Type-A 5Gbps signaling rate (Battery Charging 1.2, HP Sleep and Charge); 2 USB 2.0 Type-A; 1 headphone/microphone combo; 1 microphone
Rear : 1 USB Type-C® 10Gbps signaling rate; 1 USB Type-C® 5Gbps signaling rate; 1 USB Type-A 10Gbps signaling rate; 1 USB Type-A 5Gbps signaling rate; 2 USB 2.0 Type-A; 1 audio-in; 1 audio-out; 1 microphone; 1 RJ-45[19]

Expansion slots

1 PCIe x16; 1 PCIe x4; 3 M.2 (2 for SSD, 1 for WLAN)

Video connector

1 HDMI; 3 DisplayPort™

Audio Features

5.1 surround sound; Omen Audio Control Support DTS:X® Ultra

Energy efficiency

EPEAT® registered
ENERGY STAR® certified

Color

Black, glass side panel, dark chrome logo

Keyboard

HP 310 Black Wired Keyboard and mouse combo

Dimensions (W X D X H)

8.03 x 18.5 x 18.39 in

Weight

41.23 lb

Warranty

1-year limited hardware warranty. Additional information available at www.support.hp.com; 1-year limited technical support for software and initial setup (from date of purchase)

Software included

McAfee LiveSafe™
1 month trial for new Microsoft 365 customers[24]

System Coolers

120 mm RGB liquid cooler

System Fan

2 x 120 mm RGB front fans

Sustainable Impact Specifications

Water based paint[41]

Chipset

AMD B550

recommended accessories

DREAM, ADAPT, OVERCOME

Imagine a PC that can crush at elite levels today and adapt to reach new performance heights tomorrow. Well, this is it.

omen 40l desktop setup
HP OMEN 40L desktop

PERFORMANCE FOR BIG DREAMS

The OMEN 40L Desktop PC is the ultimate companion on your gaming journey.

RGB FOR EVERYONEUp to 8 distinct lighting zones including 4 RGB, means limitless color customization and possibly a party at your place later.
CRAFTED FOR EXPANSIONTool-less access to components, up to 4x 120mm system fans, 7 available storage upgrade ports, with industry-standard upgrades throughout.
OMEN gaming hub logo

OMEN GAMING HUB

From software enhancements to hardware controls and live services, OGH is your one-stop shop to elevate your gaming experience.

  • Intelligent overclocking
  • Performance control
  • Individual fan control
  • System vitals
  • Network booster
  • Lighting control
  • My games
  • Gallery
  • Remote play
  • Coaching
omen gaming hub screens
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Return and exchange information
Eligible purchases from Nov 1 - Dec 25, 2025, can be returned or exchanged until Jan 15, 2026, or 30 days after delivery, whichever is later. A 15% restocking fee may apply. For details, please visit: https://www.hp.com/us-en/shop/cv/returnsandexchanges
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