Gaming PC Intel Arc B580 12GB & Ryzen 7 7800X3D | NZXT H3 Flow | Built in Nantwich, Cheshire

Custom-built gaming PC — Intel Arc B580 12GB Limited Edition with Ryzen 7 7800X3D in a black NZXT H3 Flow. Hand-built and stress-tested in our Nantwich workshop. Ready to game out of the box.

Component List

• CPU: AMD Ryzen 7 7800X3D (8-core / 16-thread, Raphael)
• Motherboard: ASUS B850M MAX GAMING WIFI
• GPU: Intel Arc B580 Limited Edition 12GB GDDR6
• RAM: 16GB (2×8GB) Samsung DDR5-5600 (PC44800)
• Storage: Lexar NM790 1TB NVMe SSD
• Cooler: Thermalright Peerless Assassin 120 SE
• Case: Black NZXT H3 Flow
• PSU: FSP Vita BD 750W Wired ATX 3.1
• Fans: 4× ARGB 120mm fans
• Networking: Wi‑Fi 6 + Gigabit Ethernet (onboard)
• OS: Windows 11 Pro (fresh install, no bloatware)

Expected Performance

• 1080p Ultra: high-refresh gaming in modern titles
• 1440p High: strong FPS for esports and many AAA games (XeSS where supported)
• CPU-heavy games: 7800X3D excels in titles that love cache (e.g. competitive / simulation)

See game-by-game estimates: Gaming PCs by Game.

Ideal For

• 1440p / high-refresh gaming with a modern Intel Arc GPU
• Players who want a top-tier gaming CPU (7800X3D) without a flagship NVIDIA/AMD card price
• Wi‑Fi ready desk setups (board includes Wi‑Fi 6)

Why Choose RGGN

• Built and tested in Nantwich, Cheshire — real workshop, not a drop-ship warehouse
• Honest specs from a real HWiNFO scan of this machine
• UK support from the people who built your PC

No Bloatware Guarantee

Windows 11 Pro is installed clean. No trial antivirus, no OEM junk.

Hand-Built Promise

Assembled, cable-managed, and checked by hand in our workshop before it leaves.

Stress Testing

CPU and GPU load tested so thermal behaviour and stability are verified before dispatch.

Software Setup Quality

• Chipset, GPU (Intel Arc), and storage drivers installed
• Windows updated at time of build
• ARGB lighting configured and checked

Cable Management

Tidy routing behind the tray; clean front-chamber presentation in the H3 Flow.

Packaging & Shipping

Double-boxed with foam support for the GPU and cooler. UK mainland courier delivery.

Setup Time

Unbox, connect display/keyboard/mouse, power on — typically under 10 minutes to desktop.

Build Origin

Hand-built in Nantwich, Cheshire, United Kingdom.

Warranty & Support

12-month RGGN parts & labour warranty covering defects in materials and workmanship. Wear items (fans, thermal paste) excluded as normal consumables — see our FAQ. WhatsApp / email support from the workshop team.

What’s Included

• Fully assembled gaming PC
• Windows 11 Pro installed
• Power cable
• Quick-start guidance

Thermal Behaviour

Peerless Assassin 120 SE keeps the 7800X3D cool and quiet under gaming loads. Mesh H3 Flow front for strong intake.

Noise Profile

Quiet at idle; fans ramp under heavy load.

Upgrade Path

• RAM: DDR5 — room to add matching sticks (check board QVL)
• Storage: spare M.2 / SATA options on B850M
• GPU: PCIe x16 ready if you later move up from the B580
• CPU: AM5 platform with strong upgrade headroom

Why This PC?

Ryzen 7 7800X3D + Intel Arc B580 12GB in a tidy black H3 Flow — a modern AM5 gaming build, Wi‑Fi ready, built and tested in Nantwich.