RAM
| Model | Average cost, USD ($) | Popularity | |
 | HP 328808-B21 SDRAM: 800MHz, 2x512Mb | 409 | 1.2/10 |
 | HP 461840-B21 DDR2: 667MHz, 2x2Gb | 200 | 1.2/10 |
 | Lenovo 41Y2771 DDR2: 667MHz, 2x2Gb | 153 | 1.2/10 |
 | HP 604500-B21 DDR3: 1333MHz, 4Gb | 48 | 1.2/10 |
 | Lenovo 30R5145 DDR2: 400MHz, 2x4Gb | 146 | 1.2/10 |
 | Lenovo 49Y1430 DDR3: 1333MHz, 4Gb | 51 | 1.2/10 |
 | HP 484060-B21 DDR2: 800MHz, 2x2Gb | 241 | 1.2/10 |
 | HP 483399-B21 DDR2: 667MHz, 2x1Gb | 284 | 1.2/10 |
 | Lenovo 41Y2729 DDR2: 667MHz, 2x1Gb | 31 | 1.2/10 |
 | Lenovo 38L5901 DDR2: 667MHz, 2x512Mb | 66 | 1.2/10 |