The HP/Compaq CQ Desktop CQ2009F uses DDR2 DIMM PC2-4200 533MHz, PC2-5300 667MHz, PC2-6400 800MHz 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, PC2-5300 667MHz, PC2-6400 800MHz
Base Memory 1GB (Removable) or 2GB (Removable)
Upgrade Slots 1 Socket(s)
Maximum Memory 2GB
Maximum Module Size 2GB
CPU & Chipset Intel Atom / Intel 945GC
Bus Architecture USB 2.0/3.x Type-A
Notes Important: Memory operates at maximum supported speed of 533MHz, but faster speed memory can be installed. HP lists DDR2 800MHz, 240-pin, Non-ECC CL5, 1GB module as an availalbe upgrade option, but system will post memory at 533 MHz speed.
Manufacturer Part Numbers
  • FQ652AA
Part Number 52.2C7
533MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 53.2C7
667MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 53.5C7
667MHz 240pin CL7
In Stock
$5.99
View Product
Part Number 54.5C7
800MHz 240pin CL7
Unavailable
$5.99
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 53.2C7H
667MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 531C7
667MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 541C7
800MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 53.5C7H
667MHz 240pin CL7
In Stock
$8.99
View Product
Part Number 54.5C7H
800MHz 240pin CL7
Unavailable
$8.99
View Product
Part Number 52.5C7H
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 521C7H
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 531C7H
667MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 541C7H
800MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 522C7
533MHz 240pin CL7
In Stock
$14.99
View Product
Part Number 532C7
667MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 542C6
800MHz 240pin CL6
In Stock
$15.99
View Product
Part Number 542C7
800MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 522C7H
533MHz 240pin CL7
In Stock
$23.99
View Product
Part Number 532C7H
667MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 542C6H
800MHz 240pin CL6
In Stock
$24.99
View Product
Part Number 542C7H
800MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 54.2C7
800MHz 240pin CL7
In Stock
$46.99
View Product
Part Number 54.2C7H
800MHz 240pin CL7
In Stock
$74.99
View Product
Part Number 522C7
533MHz 240pin CL7
In Stock
$14.99
View Product
Part Number 532C7
667MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 542C6
800MHz 240pin CL6
In Stock
$15.99
View Product
Part Number 542C7
800MHz 240pin CL7
In Stock
$15.99
View Product
Part Number 522C7H
533MHz 240pin CL7
In Stock
$23.99
View Product
Part Number 532C7H
667MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 542C6H
800MHz 240pin CL6
In Stock
$24.99
View Product
Part Number 542C7H
800MHz 240pin CL7
In Stock
$24.99
View Product
Part Number 521C7
533MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 531C7
667MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 541C7
800MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 521C7H
533MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 531C7H
667MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 541C7H
800MHz 240pin CL7
In Stock
$12.99
View Product
Part Number 53.5C7
667MHz 240pin CL7
In Stock
$5.99
View Product
Part Number 54.5C7
800MHz 240pin CL7
Unavailable
$5.99
View Product
Part Number 52.5C7
533MHz 240pin CL7
In Stock
$6.99
View Product
Part Number 53.5C7H
667MHz 240pin CL7
In Stock
$8.99
View Product
Part Number 54.5C7H
800MHz 240pin CL7
Unavailable
$8.99
View Product
Part Number 52.5C7H
533MHz 240pin CL7
In Stock
$9.99
View Product
Part Number 52.2C7
533MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 53.2C7
667MHz 240pin CL7
In Stock
$4.99
View Product
Part Number 52.2C7H
533MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 53.2C7H
667MHz 240pin CL7
In Stock
$7.99
View Product
Part Number 54.2C7
800MHz 240pin CL7
In Stock
$46.99
View Product
Part Number 54.2C7H
800MHz 240pin CL7
In Stock
$74.99
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
KTH-XW4200AN/2G 2GB DDR2 PC2-4200 533MHz DIMM Kingston 522C7
KTH-XW4300/1G 1GB DDR2 PC2-5300 667MHz DIMM Kingston 531C7
KTH-XW4300/2G 2GB DDR2 PC2-5300 667MHz DIMM Kingston 532C7
CT1165712 2GB DDR2 PC2-6400 800MHz DIMM Crucial 542C6