How to Build Your Own PC: Complete Guide with Prices and Reasons for Each Component
Building your own PC is a rewarding experience that allows you to customize the machine to your exact needs. In this guide, I'll explain each essential component, why I chose it, and provide prices with links where you can buy them. Let's get started!
1. Main Components
1.1 Motherboard
The motherboard is the backbone of your PC. It connects the CPU, RAM, GPU, storage, and peripherals.
→Why this one?
I selected a motherboard compatible with the latest CPUs, offering enough expansion slots and good power delivery for stable performance. It also supports fast memory and multiple storage devices.
- Type: ASUS ROG Strix B650E-F Gaming WiFi (AM5 socket)
- Price: Around €230
- Link: click here
1.2 Central Processing Unit (CPU)
The CPU processes instructions and runs all programs. A powerful CPU means faster processing and better multitasking.
→Why this one?
I chose the AMD Ryzen 7 7800X3D because it offers excellent gaming and productivity performance with 8 cores and 16 threads.
- Type: AMD Ryzen 7 7800X3D
- Price: Around €390
- Link: click here
1.3 Random Access Memory (RAM)
RAM is your computer’s short-term memory, storing data your PC needs quick access to.
→Why this one?
I picked 32 GB DDR5 RAM to ensure smooth multitasking and future-proofing. DDR5 offers higher speeds than DDR4.
- Type: Corsair Vengeance DDR5 32GB (2x16GB) 6000 MHz
- Price: Around €130
- Link: click here
1.4 Storage Drive (SSD)
Storage holds your operating system, games, and files. SSDs are much faster than traditional hard drives.
→Why this one?
I chose a 1 TB NVMe SSD for fast loading times and enough space for programs.
- Type: Kingston NV2 1TB NVMe PCIe 4.0 SSD
- Price: Around €69,99
- Link: click here
1.5 Graphics Processing Unit (GPU)
The GPU handles rendering images, videos, and games. A good GPU is vital for gaming and creative work.
→Why this one?
I selected the Nvidia RTX 4070 because it offers excellent performance at 1440p resolution and good ray tracing capabilities.
- Type: Nvidia RTX 4070 12GB
- Price: Around €610
- Link: click here
1.6 Power Supply Unit (PSU)
The PSU powers all components by converting AC electricity to DC.
→Why this one?
I picked a 750W 80 Plus Gold rated PSU to ensure stable and efficient power delivery with some headroom for upgrades.
- Type: Corsair RM750x 750W 80 Plus Gold
- Price: Around €150
- Link: click here
1.7 Computer Case (Chassis)
The case houses and protects all components and provides airflow.
→Why this one?
The Corsair 4000D Airflow offers excellent ventilation, good space for components, and a clean look.
- Type: Corsair 4000D Airflow
- Price: Around €85
- Link: click here
1.8 Cooling System
Keeps your CPU and other components cool to maintain performance and longevity.
→Why this one?
I recommend a good air cooler or a 240mm AIO liquid cooler for balanced cooling and quiet operation.
- Type: Noctua NH-U12S chromax.black
- Price: Around €89,90
- Link: click here
2. Peripherals
2.1 Input Devices
2.1.1 Keyboard
Mechanical keyboards offer a better typing feel, greater durability, and more precise feedback — ideal for both work and gaming.
→ Why this one?
I chose a mechanical keyboard with tactile switches and RGB lighting for comfort, style, and performance.
- Type: Keychron K8 Pro (Wireless Mechanical, Brown Switches)
- Price: Around €110
- Link: click here
2.1.2 Mouse
A good mouse improves precision and comfort, especially for gaming or design tasks.
→ Why this one?
I selected a mouse with adjustable DPI and an ergonomic design for long hours of use without fatigue.
- Type: Logitech G502 HERO (up to 25,600 DPI)
- Price: Around €50
- Link: click here
2.1.5 Microphone
Essential for streaming, recording, or online meetings with clear voice quality.
→ Why this one?
I chose a USB condenser microphone for its plug-and-play usability and professional sound quality.
- Type: Blue Yeti USB Microphone
- Price: Around €80
- Link: click here
2.2 Output Devices
2.2.1 Monitor
The monitor is one of the most important peripherals for both productivity and entertainment.
→ Why this one?
I recommend a 27" QHD monitor with an IPS panel and 144Hz refresh rate for smooth and vibrant visuals.
- Type: LG 27GP850-B (27”, QHD, 165Hz, IPS)
- Price: Around €320
- Link: click here
2.2.2 Printer
Ideal for printing documents, photos, or school work at home.
→ Why this one?
I chose an efficient multifunction printer with refillable ink tanks for cost savings.
- Type: Epson EcoTank ET-2850
- Price: Around €50
- Link: click here
PC Build Summary
1. Main Components
| Component | Model | Price (€) |
|---|---|---|
| Motherboard | ASUS ROG Strix B650E-F Gaming WiFi (AM5 socket) | 230 |
| CPU | AMD Ryzen 7 7800X3D | 390 |
| RAM | Corsair Vengeance DDR5 32GB (2x16GB) 6000 MHz | 130 |
| SSD | Kingston NV2 1TB NVMe PCIe 4.0 SSD | 69.99 |
| GPU | Nvidia RTX 4070 12GB | 610 |
| PSU | Corsair RM750x 750W 80 Plus Gold | 150 |
| Case | Corsair 4000D Airflow | 85 |
| Cooling | Noctua NH-U12S chromax.black | 89.90 |
| Subtotal – Main Components | €1,754.89 | |
2. Peripherals
| Peripheral | Model | Price (€) |
|---|---|---|
| Keyboard | Keychron K8 Pro (Wireless Mechanical, Brown Switches) | 110 |
| Mouse | Logitech G502 HERO | 50 |
| Microphone | Blue Yeti USB Microphone | 80 |
| Monitor | LG 27GP850-B (27”, QHD, 165Hz, IPS) | 320 |
| Printer | Epson EcoTank ET-2850 | 50 |
| Subtotal – Peripherals | €610 | |
→TOTAL COST (Main + Peripherals): €2,364.89
5. Final Notes
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Always check compatibility before buying!
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Make sure the CPU socket matches the motherboard.
-
Check that the RAM type and speed are supported.
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Confirm the GPU fits inside the case dimensions.
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Pick a PSU with enough wattage and the correct connectors.
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Good airflow keeps your components safe and performing well.
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