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4GB Upgrade Equivalent to HP / Compaq 187421-B21 Memory

Here at Memory Active, we've got over fifteen years' experience in bringing you top quality memory upgrades at great prices. The below parts are guaranteed compatible with manufacturer code 187421-B21. If you're not sure if this is the right memory for your machine, please use our Configurator to identify it. If you have any questions, please don't hesitate to contact us.

	Code	For	Description	Capacity	Kit Of	Price	Inc VAT
DDR 266 DIMM Reg Rank2 Kit
	187421-B21	HP / Compaq	4GB 2.5V DDR Registered PC266 x72 DIMM 184pin DDR 187421-B21 In stock Guaranteed compatible Lifetime guarantee	4GB	2	£106.57	£127.88	Buy

Still have questions?

Not totally sure this is the one you need? Give us a ring on 020 8453 9707 during business hours and we'll be happy to help.

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