RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Pavilion d4100y Series (CTO) Desktop

Kingston Configurator Information

Comments:
MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of Dual Channel Mode.

This system is configurable and may ship with either DDR2-400 (KTH-XW4200/xx), DDR2-533 (KTH-XW4200AN/xx), or DDR2-667 (KTH-XW4300/xx).

When mixing memory speeds, the memory will default to the slowest speed populated.

If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).

Models with "-b" are bundled.

What is Dual Channel Mode?

Standard Memory:
256MB (Removable) or
512MB (Removable) or
1GB (Removable)

Maximum Memory:
4GB

Expansion:
4 Sockets

CPU/Chipset:
Intel Pentium D Intel 945P
Intel Pentium D Intel 945P

Upgrade Path:
Virtually any configuration up to 4GB can be reached using any combination of Kingston's 256, 512MB, and 1GB modules.

Important Shipping Information