Guaranteed-compatible memory upgrades for your
HP - Compaq Presario 6421US Desktop/PC
.
Manufacturer Specifications - HP - Compaq Presario 6421US
We're now showing 4 of 4 compatible upgrades show all
US $23.99
Part #: CT523510 • DDR PC2700 • CL=2.5 • Unbuffered • NON-ECC • DDR333 • 2.5V • 64Meg x 64 • • more details
US $23.99
Part #: CT561620 • DDR PC3200 • CL=3 • Unbuffered • NON-ECC • DDR400 • 2.6V • 64Meg x 64 • • more details
US $13.99
Part #: CT528413 • DDR PC2700 • CL=2.5 • Unbuffered • NON-ECC • DDR333 • 2.5V • 32Meg x 64 • • more details
US $13.99
Part #: CT560773 • DDR PC3200 • CL=3 • Unbuffered • NON-ECC • DDR400 • 2.6V • 32Meg x 64 • • more details