Best Seller
Quantum Lite 1.1 - Ryzen 5 5500 RTX 5060 Pre-Built Gaming PC
£899.99 £799.99 Sale- CPU:AMD Ryzen 5 5500
- GPU:RTX 5060 8GB
- RAM:16GB DDR4
- Storage:500GB SSD
- Built-in Wi-Fi
- Windows 11 Pro included
Quantum Gaming PCs
Gaming PCs Built to Perform
Custom-built gaming PCs, stress-tested, cable-managed, and ready to play straight out of the box.
- 3 Year Hardware Warranty
- Free Next-Day Delivery
- Stress-tested before dispatch
- Built, tested & setup ready
Our Best Sellers
Our best-value gaming PCs for smooth performance in today’s most popular games.
Best Seller
Quantum Core 2.1 - Ryzen 7500X3D RTX 5070 Pre-Built Gaming PC
£1,799.00 £1,499.99 Sale- CPU:AMD Ryzen 7500X3D
- GPU:RTX 5070 12GB
- RAM:16GB DDR5
- Storage:1TB NVMe SSD
- Built-in Wi-Fi
- Windows 11 Pro included
Best Seller
Quantum Ultra 3.5 - Ryzen 7 9800X3D RTX 5080 Pre-Built Gaming PC
£2,799.99 £2,499.99 Sale- CPU:AMD Ryzen 7 9800X3D
- GPU:RTX 5080 16GB
- RAM:16GB DDR5
- Storage:1TB NVMe SSD
- Built-in Wi-Fi
- Windows 11 Pro included
Best Seller
Quantum Core 2.4 - Ryzen 5 7600X RTX 5060 Pre-Built Gaming PC
£1,399.99 £1,299.99 Sale- CPU:AMD Ryzen 5 7600X
- GPU:RTX 5060
- RAM:16GB DDR5
- Storage:1TB NVMe SSD
- Built-in Wi-Fi
- Windows 11 Pro included
Why Buy From Quantum PCs?
3 Year Hardware Warranty
Every Quantum PC is covered for hardware faults, giving you support after your build arrives.
Free Next-Day Delivery
Get your new gaming PC fast with Free Next-Day Delivery.
Stress-tested before dispatch
Systems are checked under load before leaving us, so they arrive ready for real gaming use.
Built-in Wi-Fi and Windows 11 Pro
Connect quickly with built-in Wi-Fi and Windows 11 Pro installed and activated before dispatch.
Our Trusted Partners
ASUS
AMD
ROG
TUF Gaming
XPG
Cooler Master
Corsair
MSI
Intel
Customer Reviews
★★★★★
“Second time I have bought from Quantum and not disappointed. Quick delivery and fantastic product well packaged. Definitely recommend them.”
★★★★★
“Fantastic! Super fast delivery and well packaged. My son is happy with the PC. It has a nice look to it and is very fast.”
★★★★★
“Arrived safe & sound. 1st class delivery by DPD. Well packed & great value for money. Thank you.”
Buying Guides
512GB vs 1TB SSD: What Should You Choose?
Not sure whether to choose a 512GB or 1TB SSD for your gaming PC? This guide explains how much storage modern games n... Read guide
Which Quantum PC Should I Choose?
Not sure which Quantum PC is right for you? This guide explains the difference between Quantum Lite, Quantum Core and... Read guide
RTX 5060 vs RTX 5070 vs RTX 5080: Which GPU Should You Choose?
Compare the RTX 5060, RTX 5070 and RTX 5080 to find the best graphics card for your gaming PC. This guide explains wh... Read guide
16GB vs 32GB RAM for Gaming
Not sure whether you need 16GB or 32GB RAM for gaming? This guide explains the difference, when 16GB is enough, when ... Read guideUpgrade Advice
Helpful advice for upgrading RAM, storage, graphics cards, Windows 11 Pro, and gaming performance.
What to Check Before Buying PC Upgrades
Before buying PC upgrades, check compatibility first. This guide explains what to check for RAM, graphics cards, SSDs... Read advice
When Should You Replace Your Gaming PC?
Not sure whether to upgrade or replace your gaming PC? This guide explains the signs your PC is too outdated, when up... Read advice
How to Improve Gaming PC Performance
Want better performance from your gaming PC? This guide explains simple ways to improve FPS, reduce stuttering, updat... Read advice
How to Keep Windows 11 Pro and Drivers Updated
Keeping Windows 11 Pro and your drivers updated helps your gaming PC stay secure, stable and ready for new games. Thi... Read adviceFrequently Asked Questions
Yes. Every Quantum PC comes fully built, cable-managed, stress-tested, and ready for Windows setup. Built-in Wi-Fi and Windows 11 Pro are included, so you can get online, install your games, and start playing quickly once it arrives.
Most eligible systems are dispatched within 1 working day. Get your new gaming PC fast with Free Next-Day Delivery. The delivery date is shown on the product page before you order.
Yes. Quantum PCs include built-in Wi-Fi. Just connect to your network during setup and you are ready to go.
Every Quantum PC includes a 3-year hardware and labour warranty with free postage for eligible warranty returns. If a covered hardware fault occurs, we will help diagnose the issue and arrange repair support, giving you confidence long after your PC arrives.
Yes. Quantum PCs are built with future upgrades in mind. Depending on the model, you can upgrade parts such as RAM, storage, graphics card, and other components later, so your PC can grow with your gaming needs.
Contact Quantum PCs support and we will guide you through the next steps. Your PC is covered by our 3-year hardware and labour warranty, so if there is a covered hardware fault, we will help get it sorted as quickly as possible.
Yes. Finance options are available at checkout, including 0% finance where eligible. This lets you spread the cost of your gaming PC instead of paying everything upfront. Finance is subject to status and approval by the finance provider.
Returns are available in line with our returns policy. If you need to return your PC, contact us and we will guide you through the process. The PC should be returned safely packaged and in the condition received.