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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo Power 520 Series Model M25 (9408-M25)

Part #. KTM-M15K2/8G • DDR2-533 / PC2-4200 • CL4 • ECC • 1.8V • more info

Buy new: $659.99 $515.99

Part #. 2xBVR • DDR2-667 / PC2-5300 • CL5 • ECC • Dual Rank • Registered • 1.8V • 36-chip 256M x4 • more info

Buy new: $304.99 $237.99

Part #. 2xBTD • DDR2-667 / PC2-5300 • CL5 • ECC • Single Rank • Registered • 1.8V • 18-chip 256M x4 • more info

Buy new: $219.99 $171.99

Part #. KTM-M15K2/4G • DDR2-533 / PC2-4200 • CL4 • ECC • 1.8V • more info

Buy new: $342.99 $267.99

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:

Standard Memory:

Maximum Memory:

Expansion:

CPU/Chipset:

Bus Architecture:

Mfr's System P/N's:

Upgrade Path:

Any combination of 4 and 8GB kits can be installed to reach configurations up to 16GB.