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Hardware
& software,
decoded.
Deep-dive guides, explainers and how-tos for the tech that runs your home and your business.
Processor (CPU)
The CPU runs your programs. More cores help with multitasking and creative apps; higher clock speeds help everyday responsiveness and games.
What to look for
- Cores & threads
- Clock speed
- Socket type
Graphics card (GPU)
The GPU draws everything on screen. A dedicated card matters for gaming, 3D and video work; office work runs fine on integrated graphics.
What to look for
- VRAM
- Power draw
- Card length
Memory (RAM)
RAM holds what you are working on right now. 16GB suits most people; 32GB helps with video editing, virtual machines and heavy multitasking.
What to look for
- Capacity
- DDR4 vs DDR5
- Speed (MT/s)
Storage (SSD)
Your SSD stores files and loads apps. NVMe drives are much faster than SATA, if your computer has a supporting M.2 slot.
What to look for
- NVMe vs SATA
- Capacity
- PCIe generation
CPU cooler
The cooler stops your processor from overheating. A good air cooler is quiet and reliable; liquid coolers suit very high-power processors.
What to look for
- Air or liquid
- Socket support
- Height clearance
Power supply (PSU)
The power supply feeds every part. Choose enough wattage for your graphics card and processor, with some headroom, and a good efficiency rating.
What to look for
- Wattage
- Efficiency rating
- Modular cables
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