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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo ThinkCentre M51 8141, 8142, 8143, 8144-xxx

Part #. KTM-M50/1G • DDR-400 / PC3200 • 2.5V • more info

Buy new: $173.99 $135.99

Part #. 22P9272 • DDR-400 / PC3200 • 3 • 2.5V • more info

Buy new: $396.99 $309.99

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

Buy new: $92.99 $72.99

Part #. AYA • DDR-400 / PC3200 • CL3 • 2.5V • 16-chip 32M x8 • more info

Buy new: $96.99 $75.99

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 and 1GB modules.