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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo eServer i5 520 (9406-520)

Part #. 4xBLG • DDR-266 / PC2100 • CL2.5 • ECC • Registered • 2.5V • 36-chip 256Mx4 • more info

Buy new: $8,467.99 $6,615.99

Part #. 4xBLW • DDR-266 / PC2100 • ECC • Registered • 2.5V • 36-chip 128Mx4 • more info

Buy new: $919.99 $718.99

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:

Systems with the 1.5 and 1.65GHz processors use DDR-1 memory (KTM-P615/xxx).
Systems using the 1.9GHz processor use DDR-2 memory, which is currently not supported.

Standard Memory:

Maximum Memory:

Expansion:

CPU/Chipset:

Bus Architecture:

Mfr's System P/N's:

Upgrade Path:

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