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JTG Systems
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JTG Systems
Monday to Friday, 12PM-6PM. Bring your device and we'll take it from there - no booking, no fuss.
577 Niagara Street
Welland, ON L3C 1L9
FREE diagnostic upon walk-in.
Check in at the front desk and we'll get started.
(905) 892-4555
FREE estimates - call us!
Prefer face-to-face? Drop by.
No appointment required.
Same-day repairs while you explore downtown Welland.
Need a rig tuned to your games or workflow? We design, assemble, and stress-test PCs built for Niagara pros and players.
We are the highest-rated computer company in Niagara.
JTG Systems engineers custom desktopsโfrom RTX 4090 gaming monsters to quiet creative workstationsโusing vetted components, cable-managed wiring, and performance tuning. Get a build consultation, a free estimate, and on-site support after delivery.
Consultations by appointment. Bring us your wish list or workload and weโll spec, assemble, and support your custom PC from Niagara.
JTG Systems has spent more than two decades building custom PCs for gamers, creators, and businesses across the Niagara Region. From St. Catharines to Welland, clients trust us to source premium components, assemble with precision, and deliver systems that stay cool under pressure.
Whether you need a quiet CAD workstation, a color-accurate editing bay, or a 4K-ready gaming monster, we handle consultation, part selection, assembly, benchmarking, and aftercare so you get a machine that performs on day oneโand for years to come.
High-performance gaming PCs built for enthusiasts
Professional-grade systems for creators and professionals
Tailored systems for unique needs
Advanced thermal management for optimal performance
Professional aesthetics and functionality
Maximizing system efficiency and power
Flexible and fast storage solutions
Expertly chosen hardware for your needs
Precision craftsmanship in every build
Fine-tuned systems for peak performance
Ready for Hell is Us 4K, Monster Hunter Wilds Ultra, GTA 6, Death Stranding 2 & More
Our gaming PCs are designed to deliver unparalleled performance for every type of gamer in Niagara Region. Choose from entry-level builds for casual play to extreme setups for competitive esports and VR gaming.
For professionals in Niagara, our workstations are built to handle demanding tasks, from creative projects to technical simulations.
Unique builds tailored to your lifestyle, whether you need a compact system or a silent powerhouse.
We discuss your needs, budget, and preferences to plan the perfect build.
Expert component selection and system layout tailored to you.
Precision building with attention to every detail.
Thorough testing and optimization for peak performance.
Over 20 years serving Niagara Region with personalized, hands-on service and same-day support.
High-quality components from trusted brands with 3-year warranty on all builds.
technical support and free maintenance checks for the first year.
The gaming landscape has dramatically evolved in 2025. With titles like Hell is Us requiring RTX 4090 for 4K/30fps, Monster Hunter Wilds pushing RTX 4070 Ti Super for Ultra settings, and Death Stranding 2 demanding up to 48GB RAM, our build recommendations reflect these new realities.
Our expert technicians use comprehensive compatibility matrices and performance analysis to ensure every component works perfectly together, delivering optimal performance for your specific needs in Niagara Region.
Performance: Extreme | Use: 2025 4K Ultra Gaming, GTA 6 Ready
Compatible with: Z790,B760 chipsets
Performance: Extreme | Use: 4K Gaming, Content Creation
Compatible with: Z790,B760 chipsets
Performance: High | Use: Death Stranding 2, Hell is Us 1440p
Compatible with: Z790,B760,H770 chipsets
Performance: High | Use: 1440p Gaming, Streaming
Compatible with: Z790,B760,H770 chipsets
Performance: Mid-High | Use: Monster Hunter Wilds, 1080p/1440p
Compatible with: Z790,B760,H770 chipsets
Performance: Mid | Use: Budget Gaming, Entry 2025 Games
Compatible with: Z690,B660,H670 chipsets
Performance: Ultimate | Use: Death Stranding 2, 4K Gaming King
Compatible with: X670E,X670,B650E,B650 chipsets
Performance: Extreme | Use: Content Creation, AI/ML
Compatible with: X670E,X670,B650E,B650 chipsets
Performance: High | Use: Monster Hunter Wilds, Gaming Excellence
Compatible with: X670E,X670,B650E,B650 chipsets
Performance: High | Use: 2025 Gaming, Productivity
Compatible with: X670E,X670,B650E,B650 chipsets
Performance: Mid-High | Use: Hell is Us 1080p, AC Shadows
Compatible with: X670E,X670,B650E,B650 chipsets
Performance: Mid | Use: Budget Gaming, Legacy 2025
Compatible with: X570,B550,B450 chipsets
VRAM: 24GB | Use: Hell is Us 4K, Death Stranding 2 Max
Power: 450W | Requires: 850W+ PSU
VRAM: 16GB | Use: GTA 6 High, AC Shadows RT 1440p
Power: 320W | Requires: 750W+ PSU
VRAM: 16GB | Use: Monster Hunter Wilds Ultra, DS2 Base
Power: 285W | Requires: 650W+ PSU
VRAM: 12GB | Use: AC Shadows RT 1440p, 2025 Gaming
Power: 220W | Requires: 650W+ PSU
VRAM: 16GB | Use: Future-proof 1440p, MH Wilds High
Power: 165W | Requires: 550W+ PSU
VRAM: 24GB | Use: 4K Gaming, Content Creation
Power: 355W | Requires: 750W+ PSU
VRAM: 20GB/16GB | Use: 1440p Gaming
Power: 315W/263W | Requires: 650W+ PSU
VRAM: 12GB/16GB | Use: 1440p/1080p Gaming
Power: 245W/190W | Requires: 550W+ PSU
Our systematic 6-phase approach ensures every custom PC build in Niagara Region meets the highest standards of quality and performance.
Duration: 1-2 hours
Duration: 1-3 days
Duration: 2-4 hours
Duration: 4-8 hours
Duration: 4-6 hours
Duration: 2-4 hours
Every custom PC build undergoes rigorous testing protocols to ensure maximum stability, performance, and reliability for Niagara Region customers.
Tools: PC Part Picker,Manufacturer Compatibility Lists
Duration: 30 minutes
Success Criteria: 100% compatibility confirmed across all components
Tools: Digital Multimeter,Power Supply Tester
Duration: 1 hour
Success Criteria: Stable voltage delivery under full load
Tools: MemTest86,Prime95 Blend Test
Duration: 4 hours minimum
Success Criteria: Zero errors in extended memory testing
Tools: Prime95 Small FFTs,OCCT
Duration: 2 hours
Success Criteria: Stable operation under maximum load, temps <85ยฐC
Tools: FurMark,3DMark Time Spy Stress Test
Duration: 1 hour
Success Criteria: Stable graphics performance, temps <83ยฐC
Tools: CrystalDiskMark,ATTO Disk Benchmark
Duration: 30 minutes
Success Criteria: Performance within 5% of manufacturer specifications
Tools: Prime95 + FurMark simultaneous
Duration: 24 hours
Success Criteria: Zero crashes, stable temperatures throughout
Maximize your custom PC's potential with our comprehensive optimization services, fine-tuned for your specific workload in Niagara Region.
Our clear, upfront pricing ensures you know exactly what to expect for your custom PC build in Niagara Region, with no hidden fees or surprises.
Office work, light gaming, general use
1440p gaming, content creation, professional work
4K gaming, VR, professional content creation, extreme performance
We stand behind every custom PC build with comprehensive commitments and ongoing support for Niagara Region customers.
Full coverage on all labor and component compatibility issues
If your system doesn't meet promised performance, we'll optimize it free
Ongoing support for all builds with priority service
Emergency on-site support within Niagara Region
See what Niagara Region customers say about their custom PC building experience with JTG Systems.
St. Catharines | Gaming Enthusiast Build
"JTG Systems built me the perfect 4K gaming rig. The attention to detail in cable management and the custom RGB setup exceeded my expectations. Playing Cyberpunk 2077 at max settings with ray tracing at 60+ FPS is incredible!"
Niagara Falls | Content Creation Workstation
"As a video editor, I needed a powerful workstation that could handle 4K rendering. JTG Systems configured the perfect AMD Threadripper build with 64GB RAM and dual RTX 4080s. Render times are now 5x faster than my old setup!"
Welland | Silent Performance Build
"I work from home and needed a powerful but completely silent PC. JTG Systems created a custom liquid-cooled build that's whisper quiet but handles everything I throw at it. The noise optimization was worth every penny."
Grimsby | Budget Gaming Build
"I thought I couldn't afford a good gaming PC, but JTG Systems worked within my Call for Quote budget to build something that runs all my games perfectly at 1080p high settings. Great value and excellent service!"
Contact JTG Systems today to design and build the perfect PC for your gaming, work, or personal needs in the Niagara Region.