OFFTEK 4GB Replacement Memory RAM Upgrade for Dell PowerEdge R420 (DDR3-12800 - ECC) Server Memory/Workstation Memory

£32.47 £8.12/GB

9% dearer per GB than the average 4GB DDR3 kit we track.

Server DDR3 ECC

★ 5.0/5 · 1 reviews on Amazon

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Specification

Price history

Typical price (median) 90-day £32.47 12-month £32.47 12-month low £25.90 All-time low £20.54 (2023-10-23)

Middling Today’s price is 0% above this kit’s typical price for the past year, and it has been cheaper than this for 48% of that year (last on 18 Jun 2026). Why medians, not averages ›

30-day avg £32.4790-day avg £32.48180-day avg £32.47 (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
	£3.57	£14.28	4GB	Lafeier	Server	DDR3	DIMM 1333MHz	ECCUnbuffered	Lafeier 4GB 2RX8 PC3-10600E 1.5V DDR3 1333MHz ECC Memory RAM Unbuffered for Server Workstation(4G)Buy📈-
	£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📈-
	£3.93	£15.70▼ 58%	4GB	Kingston	Desktop	DDR3	DIMM 1600MHz	-	Kingston Branded Memory 4GB DDR3 1600MT/s DIMM Low Voltage Module Single Rank KCP3L16NS8/4 Desktop MemoryBuy📈★★★★☆22
	£4.06	£16.25★▼ 37%	4GB	SK Hynix	Server	DDR3	DIMM 1600MHz	ECCUnbuffered	Hynix PC Desktop RAM 4GB DDR3 hmt451u6bfr8 a-pb PC3-12800U DDR3 DIMM 1600MHz 1Rx8 CL11Buy📈-

About this kit

• Boost Your System’s Performance: Increase available memory for smoother multitasking, improved responsiveness and better performance when running memory-intensive applications.
• Matched Specifically to Your Machine: OFFTEK selects the correct memory configuration for the computer shown in this listing, removing the uncertainty from choosing a compatible upgrade.
• We Do the Technical Checking for You: There is no need to compare memory speeds, voltages, form factors or other technical details, as the upgrade has been matched to the machine’s supported requirements.
• Extend the Life of Your Computer: Increasing the available memory can help your existing machine remain productive for longer, offering a cost-effective alternative to replacing the complete system.
• Quick and Straightforward Upgrade: Memory is simple to install and requires no software installation; shut down and disconnect the machine before fitting and follow the manufacturer’s instructions.
• Tested for Dependable Performance: Every OFFTEK memory module is checked and tested at component and module level to support stable, reliable operation in everyday use.
• Matched Memory, Without the Guesswork: Receive the memory configuration selected on this listing, chosen specifically for the computer model shown to make upgrading simple and reassuring.

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