Desktop Memory & RAM Prices UK
371 products • Updated 18/01/2026
Crucial Pro DDR5 RAM 96GB Kit (2x48GB) 5600MHz, Intel XMP 3.0 / AMD EXPO, Computer Memory (PC) - CP2K48G56C46U5 (96GB) - £713.13
Compare desktop memory and PC RAM prices per gigabyte. Find the cheapest RAM for your desktop PC from top brands like Corsair, Kingston, G.Skill and Crucial, with both DDR4 and DDR5 options available.
Desktop RAM uses the standard DIMM form factor and comes in a wide range of speeds and capacities. Whether you're building a gaming PC, workstation or general-purpose desktop, we compare desktop memory prices daily from Amazon UK to help you find the best value per gigabyte.
Frequently Asked Questions
What type of memory does my desktop use?
Desktop computers use DIMM (Dual Inline Memory Module) modules. Most modern desktops use DDR4 or DDR5 DIMMs. Check your motherboard's specifications to determine which generation and speeds are supported. DDR4 and DDR5 are not interchangeable.
How many memory slots does my desktop have?
Most desktop motherboards have 2 or 4 memory slots. Some high-end boards have 8 slots. Check your motherboard's manual or specifications to see how many slots are available. For dual-channel performance, use 2 or 4 modules of the same capacity and speed.
Can I mix different memory speeds?
You can install memory modules of different speeds, but they will all run at the speed of the slowest module. For best performance, use identical modules from the same kit. Mixing different brands or capacities can sometimes cause stability issues.