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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Pavilion a800 Series Desktop a815i

Part #. ACZ • DDR-400 / PC3200 • CL3 • 2.5V • 16-chip 64Mx8 • more info

Buy new: $92.99 $72.99

Part #. KTH-D530/1G • DDR-400 / PC3200 • 2.5V • more info

Buy new: $160.99 $125.99

Part #. KTH-D530/512S • DDR-400 / PC3200 • 2.5V • 8-chip 64Mx8 • more info

Buy new: $103.99 $80.99

Part #. CKE • DDR-400 / PC3200 • CL3 • 2.5V • 8-chip 32Mx16 • more info

Buy new: $100.99 $78.99

We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.

Need some help installing your upgrade? See our guides and videos.

System Specifications

Comments:

MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel Mode.
If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).

Standard Memory:

Maximum Memory:

Expansion:

CPU/Chipset:

Bus Architecture:

Mfr's System P/N's:

Upgrade Path:

Virtually any configuration up to 4GB can be reached using 512MB and 1GB modules.