Main Pages

• Home
• Configurator
• Shopping Basket
• About Us
• Contact Us

Search

Memory by tech

• SDRAM memory
• DDR memory
• DDR2 memory
• DDR3 memory
• Flash memory
• USB Pen Drives
• Custom USB

Memory by type

• DIMM memory
• SoDIMM memory
• MicroDIMM memory
• SIMM memory

Memory by Application

• Printer Memory
• Desktop Memory
• Laptop Memory
• Phone Memory
• Server Memory

Solid State Disks

• IDE SSDs
• SATA SSDs
• PCIe SSDs
• μ-PCIe SSDs

The best memory upgrades for your Compaq Pavilion Desktop Series Other 421.ES Desktop!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Pavilion Desktop Series Other 421.ES Desktop. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Pavilion Desktop Series Other 421.ES supports up to 1 GB in two slots and modules must be installed one at a time.

	Code	OEM	Description	Capacity	Kit Of	Price	inc VAT
DIMM
	1034051	259039-B21	512MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	512MB	1	£23.47	£28.16	Buy
	1034050	P1538A	256MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	256MB	1	£21.86	£26.23	Buy
	1034049	P1537A	128MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	128MB	1	£7.27	£8.72	Buy

More information about this machine

Detailed machine info Is base memory removeable? y Number of memory slots 2 Number of memory banks 2 Number of modules per bank 1 Maximum installable memory 1

Original Memory Configuration

©2005-2011 Memory Express Ltd. All rights reserved. Errors and Omissions excepted. All pricing excludes VAT unless otherwise stated. Please read our terms and conditions, returns and privacy policies for more information. Some product information © 2011 Openrange Ltd or © 2011 IceCat BV and is provided in good faith. All trademarks acknowledged.