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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo ThinkCentre A51 8105, 8107, 8109

Part #. AMF • DDR2-533 / PC2-4200 • CL4 • 1.8V • 16-chip 128x8 • more info

Buy new: $105.99 $82.99

Part #. KTM3211/2G • DDR2-533 / PC2-4200 • 1.8V • more info

Buy new: $126.99 $98.99

Part #. ADA • DDR2-533 / PC2-4200 • CL4 • Dual Rank • 1.8V • 16-chip 64x8 • more info

Buy new: $92.99 $72.99

Part #. KTM3211/1G • DDR2-533 / PC2-4200 • 1.8V • more info

Buy new: $108.99 $84.99

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 MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of dual channel mode.

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 any combination of 512MB, 1GB and 2GB modules.