Corsair CMX4GX3M1A1333C9 XMS3 4GB (1x4GB) DDR3 1333 Mhz CL9 Performance Desktop Memory Module

£62.99 £15.75/GB

121% dearer per GB than the average 4GB DDR3 kit we track.

▼ 46% below 90-day median Desktop DDR3

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Specification

Price history

Typical price (median) 90-day £117.41 12-month £167.59 12-month low £98.55 All-time low £10.05 (2016-08-20)

Dear for the market Today’s price is 62% below this kit’s typical price for the past year, and it has been cheaper than this for 15% of that year (last on 6 Jan 2026). At £15.75/GB it is dear against the £5.84/GB typical for DDR3 today. Why medians, not averages ›

30-day avg £124.4690-day avg £124.46180-day avg £224.47 (averages are pulled up by price spikes; the medians above are the better guide)

Cheaper per GB in the same spec

Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›

	£/GB	Price	Capacity	Manufacturer	For	Type	Form Factor	ECC / Buffered	Description
	£3.25best £/GB	£12.99▼ 7%	4GB	Timetec	Desktop	DDR3	DIMM 1600MHz	Non-ECCUnbuffered	Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V CL11 2Rx8 Dual Rank 240 Pin UDIMM Desktop PC Computer Memory RAM Module UpgradeBuy📈★★★★½680
	£3.25	£12.99▼ 7%	4GB	Timetec	Desktop	DDR3	DIMM 1333MHz	Non-ECCUnbuffered	Timetec 4GB DDR3 / DDR3L 1333MHz PC3-10600 Non-ECC Unbuffered 1.5V / 1.35V CL9 2Rx8 Low Density Dual Rank 240 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (4GB)Buy📈★★★★½806
	£3.35	£13.40▼ 64%	4GB	Kingston	Desktop	DDR3	DIMM 1600MHz	-	Kingston Branded Memory 4GB DDR3 1600MT/s DIMM Low Voltage Module Single Rank KCP3L16NS8/4 Desktop MemoryBuy📈★★★★☆22
	£3.40	£13.59★	4GB	Patriot Memory	Desktop	DDR3	DIMM 1600MHz	Non-ECCUnbuffered	Patriot Memory PSD34G160081H 4 GB DDR3 1600 PC3 12800 RAM Memory Module with Heatshield - BlackBuy📈★★★★☆14
	£3.63	£14.53	4GB	Wlizedle	Desktop	DDR3	DIMM 1600MHz	Non-ECCUnbuffered	Wlizedle DDR3 RAM 4GB 1600MHz CL11 U-DIMM Desktop Memory PC3-12800 240-Pin 1.5V 2Rx8 Dual Rank Channel Non-ECC Unbuffered PC Computer Sdram Sticks Module Upgrade, BlueBuy📈★★★★☆13
	£3.75	£14.99★	4GB	Kingston	Desktop	DDR3	DIMM	-	Kingston Technology 4GB RAM HyperX Blu KHX1600C9D3B1/4G DDR3 PC3-12800U 2Rx8 CL9 PC officeBuy📈-

About this kit

• 4GB (1x4GB) for Single Channel DDR3 for AMD and Intel Core i3/i5 and i7 processors
• 1333MHz
• 9-9-9-24 latency
• XMS Heat Spreader
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Corsair XMS3 4GB DDR3 Performance Desktop Memory Module Corsair’s mainstream memory solution 4GB (1x4GB) 1333MHz 9-9-9-24 for AMD and Intel Core i3, i5 and Core i7 dual channel memory processors and platform. The XMS3 family is Corsair’s mainstream line of performance DDR3 memory. These modules allow users to experience outstanding memory performance and stability. Available in Corsair’s XMS heat spreaders, each module is built using carefully selected RAMs. Key Features include: 4GB (1x4GB) for Single Channel DDR3 for AMD and Intel Core i3/i5 and i7 processors;1333MHz;9-9-9-24 latency;XMS Heat Spreader;Limited Lifetime Warranty

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