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How to Build a PC — RAM and Storage Compatibility Guide

The most common mistake new PC builders make is buying incompatible RAM or storage. Your motherboard chipset determines which RAM type (DDR4 vs DDR5), speeds, and maximum capacity are supported. Getting this wrong means returning parts and delays.

RAM Compatibility Checklist

High-performance DDR5 RGB RAM module
High-performance DDR5 RGB RAM module

1. Check RAM type — DDR4 and DDR5 are NOT interchangeable. 2. Verify maximum supported speed. 3. Check number of DIMM slots (2 or 4). 4. Note maximum capacity per slot. 5. Always buy a matched kit for dual-channel performance.

Recommended Build Kits

BudgetRAMStorage
Entry (~£80)16GB DDR5-5600512GB NVMe
Mid (~£150)32GB DDR5-60001TB NVMe Gen4

Storage Planning

Modern motherboards have 2-4 M.2 slots. Plan your layout: one fast Gen 4 NVMe for OS and games, optionally a larger drive for media. Check whether M.2 slots share bandwidth with SATA ports.

Frequently Asked Questions

Do I need RAM from the QVL?

Not strictly — most standard RAM works. The QVL guarantees compatibility at rated speeds.

Can I mix RAM brands?

Possible but not recommended. Buy a matched kit for best results.

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Recommended DDR5 Laptop RAM

Patriot Memory Viper Elite 5 Ultra memory module 96 GB 2 x 48 GB DDR5

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Patriot Memory Viper Elite 5 Ultra memory module 96 GB 2 x 48 GB DDR5

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Corsair CMK16GX5M2E6000Z36 memory module 16 GB 2 x 8 GB DDR5 6000 MT/s

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Corsair CMK16GX5M2E6000Z36 memory module 16 GB 2 x 8 GB DDR5 6000 MT/s

£326.03

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Samsung M323R1GB4PB0-CWM memory module 8 GB 1 x 8 GB DDR5 5600 MHz

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Samsung M323R1GB4PB0-CWM memory module 8 GB 1 x 8 GB DDR5 5600 MHz

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Corsair Vengeance 64GB (2x32GB) DDR5 DRAM 5200MT/s C40 AMD EXPO Memory

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Corsair Vengeance 64GB (2x32GB) DDR5 DRAM 5200MT/s C40 AMD EXPO Memory

£775.54

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Kingston Technology KCP556US6-8 memory module 8 GB 1 x 8 GB DDR5 5600

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Kingston Technology KCP556US6-8 memory module 8 GB 1 x 8 GB DDR5 5600

£136.24

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Patriot Memory Viper Venom memory module 16 GB 1 x 16 GB DDR5 5600 MT/

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Patriot Memory Viper Venom memory module 16 GB 1 x 16 GB DDR5 5600 MT/

£324.73

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