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| Manufacturer Part Number | 64Y9570 |
| Manufacturer Part Option | RMR188ED58E9W-1600 |
| Brand | Lenovo |
| Type | DDR3 SDRAM |
| Capacity | 4 GB |
| Form Factor | UDIMM |
| Memory Features | Unbuffered |
| Bus Speed | PC3-12800 |
| Memory Speed | 1600 MHz |
| Number of Pins | 240 pin |
| Latency | CL11 |