Guaranteed compatible upgrades for:
IBM/Lenovo ThinkPad W520 Series (w/4 SODIMM)
System Specifications
Maximum Memory:
- 4GB using a 32-bit Operating System
- 32GB using a 64-bit Operating System
Expansion:
- 4 Sockets
Standard Memory:
- 1GB (Removable) or
- 2GB (Removable) or
- 4GB (Removable)
CPU/Chipset:
- Intel Core i7 Intel QM67
Bus Architecture:
- Flash - SDXC; SSD - mini-SATA (mSATA); SSD - SATA 2.5-inch 7mm; USB 2.0/3.x Type-A
Mfr's System P/N's:
- 4270-xxx; 4276-xxx; 4282-xxx; 4284-xxx
Upgrade Path:
- Virtually any configuration up to 32GB can be reached using any combination of 4 and 8GB modules.