The HP/Compaq Business Desktop dx2100 MT/ST/SFF/CMT uses DDR2 DIMM PC2-4200 533MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type DDR2 DIMM PC2-4200 533MHz
Base Memory 256MB (Removable) or 512MB (Removable) or 1GB (Removable)
Upgrade Slots 4 Sockets
Maximum Memory 4GB
Maximum Module Size 1GB
CPU & Chipset Intel Pentium 4 Intel 915GV Intel Celeron D Intel 915GV
Bus Architecture PCI; PCI Express; USB
Manufacturer Part Numbers
  • EN908PA
  • EN929PA
  • EN930PA
Part Number 52.2C7
533MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 52.5C7
533MHz 240pin CL7
In Stock
$6.99
View Product
Part Number 52.2C7H
533MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 521C7
533MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 52.2C7-2
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 52.5C7H
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 52.5C7-2
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 521C7H
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 52.2C7-2H
533MHz 240pin CL7
In Stock
$14.99
View Product
Part Number 521C7-2
533MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 52.5C7-2H
533MHz 240pin CL7
In Stock
$19.99
View Product
Part Number 52.5C7-4
533MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 521C7-2H
533MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 521C7-4
533MHz 240pin CL7
In Stock
$30.99
View Product
Part Number 52.5C7-4H
533MHz 240pin CL7
In Stock
$39.99
View Product
Part Number 521C7-4H
533MHz 240pin CL7
In Stock
$49.99
View Product
Part Number 521C7-4
533MHz 240pin CL7
In Stock
$30.99
View Product
Part Number 521C7-4H
533MHz 240pin CL7
In Stock
$49.99
View Product
Part Number 521C7-2
533MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 52.5C7-4
533MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 521C7-2H
533MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 52.5C7-4H
533MHz 240pin CL7
In Stock
$39.99
View Product
Part Number 521C7
533MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 52.5C7-2
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 521C7H
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 52.5C7-2H
533MHz 240pin CL7
In Stock
$19.99
View Product
Part Number 52.5C7
533MHz 240pin CL7
In Stock
$6.99
View Product
Part Number 52.2C7-2
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 52.5C7H
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 52.2C7-2H
533MHz 240pin CL7
In Stock
$14.99
View Product
Part Number 52.2C7
533MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 52.2C7H
533MHz 240pin CL7
In Stock
$7.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTH-XW4200AN/1G 1GB DDR2 PC2-4200 533MHz DIMM Kingston 521C7