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Putting together a living-room gaming PC on a strict budget means prioritizing a mix of raw frame-rate for competitive play and visual fidelity for cinematic titles. This guide reviews the proposed UK build — a target of £650 — and explains how each item affects real-world performance. The goal is a machine that handles fast-paced shooters such as esports games (e.g., Valorant) while also delivering enjoyable experiences in graphically rich single-player games like cinematic games (e.g., Elden Ring or God of War).
The owner plans an AM4 platform centered on a midrange CPU and a capable GPU, paired with a 1TB M.2 SSD and 16GB of memory. Important concerns include choosing a reliable PSU, ensuring case airflow inside a restrictive chassis, and matching motherboard features to accessories like ARGB fans. Below I break down the suggested components, compatibility considerations, and practical alternatives you can hunt for in UK retailers or bundles.
Proposed parts list and what it means
The proposed list includes an RX 6700 (£195) and a Ryzen 5 5600 (£110), supported by 2x8GB DDR4 RAM (£40), a Kingston 1TB M.2 NVMe PCIe 4.0 SSD (£129), a Gigabyte B550M K motherboard (£66), and an MSI MAG A550BN power supply (£40). Together these parts target a good balance of CPU-bound esports frame-rates and GPU-driven cinematic visuals. The B550 board provides future CPU upgrade paths on AM4 and PCIe 4.0 support for some SSDs, while the M.2 NVMe drive offers fast storage and short load times.
Performance expectations
With a Ryzen 5 5600 and an RX 6700, expect high frame rates in titles that favor CPU performance and solid 1080p/1440p performance for visually rich games. The chosen 16GB of DDR4 is the practical minimum now; if you find a deal on faster or 32GB kits later, that will help background apps and futureproofing. The M.2 NVMe SSD is a sensible priority for snappy system responsiveness and game load times compared with SATA drives.
Power supply, case airflow and accessory compatibility
The MSI MAG A550BN sits in a budget tier for PSUs; it will power the system safely but lacks advanced features and high-efficiency ratings found in premium units. A common community reference is the PSU tier list, which ranks units by features, test results, and value — an entry-level C-tier PSU will run your build but may not be ideal for long-term headroom or quieter operation. If you can find a well-reviewed 550–650W unit from reputable OEMs with an 80+ Bronze or better rating, prioritize that when availability and price allow.
Case and cooling guidance
You’re building in a Deepcool Macube 110, a compact case known to restrict airflow. In closed living-room installations, temperature management matters more because heat has less room to dissipate. Adding two intake or exhaust fans is a good move; however, since the selected Gigabyte B550M K doesn’t support ARGB, either choose non-RGB fans or add an inexpensive ARGB controller/hub so you can run aesthetic lighting without motherboard headers. Prioritize fan placement for steady airflow over lighting if thermals are a concern.
Where to trim costs and where not to
On a tight £650 budget, prioritize the GPU and CPU first, then storage and power. If you spot a bundle or secondhand deals on a GPU or RAM, those can free funds for a better PSU or a less restrictive case. Avoid skimping on the PSU brand entirely — cheap no-name units can cause instability or fail protection circuits. If you must compromise, choose a trustworthy lower-wattage model over a high-wattage unbranded unit; quality over raw numbers.
Finally, keep shopping flexibility in mind: UK deals, refurbished parts, or local marketplaces can occasionally provide significant savings. The current parts list is a solid starting point for a TV/lounge setup that targets both competitive esports performance and rich single-player experiences; with small swaps for a better PSU and improved airflow, it will be a well-rounded living-room rig.