| PartNumber | MT4HTF3264AY-667B1 | MT4HTF3264AY-667B2 | MT4HTF3264AY-667D3 |
| Description | MODULE DDR2 SDRAM 256MB 240UDIMM | MODULE DDR2 SDRAM 256MB 240UDIMM | MODULE DDR2 SDRAM 256MB 240UDIMM |
| Manufacturer | - | Micron Technology Inc. | Micron Technology Inc. |
| Product Category | - | Memory - Modules | Memory - Modules |
| Series | - | - | - |
| Package Case | - | 240-UDIMM | 240-UDIMM |
| Memory Size | - | 256MB | 256MB |
| Memory Type | - | DDR2 SDRAM | DDR2 SDRAM |
| Speed | - | 667MT/s | 667MT/s |