Category Name: IBM p5, pSeries IBM 4444 p5/pSeries 1GB - (4x256MB) DIMMs (Feature code 4444) IBM 4445 p5/pSeries 4096MB (4x1024MB) DIMMs (Feature code 4445) IBM 4446 pSeries 1024MB (4x256MB) DIMMs (Feature code 4446) IBM 4447 p5/pSeries 2048MB (4x512MB) DIMMs (Feature code 4447) IBM 4449 p5/pSeries 8GB (4x2048MB) DIMMs (Feature code 4449) IBM p5 512MB (2x256MB) DIMMs (Feature code 4443) IBM 4443 p5 512MB (2x256MB) DIMMs IBM 4490 p5 4096MB (4x1024MB) DIMMs (Feature code 4490) IBM 4453 p5 4096MB (4x1024MB) DIMMs (Feature code 4453) IBM 4137 2GB Kit IBM 4454 8GB (4x2GB) DIMMs , 208-pin , 266 MHz Stacked DDR1 SDRAM IBM 4453 GB (4x1GB) DIMMs , 208-pin , 266MHz Stacked DDR1 SDRAM IBM 4450 16GB (4x4096MB) DIMMs , 208-pin , 266 MHz DDR Stacked SDRAM IBM 4491 16GB (4x4GB) DIMMs , 208-pin , 266 MHz Stacked DDR1 SDRAM IBM 9117-7894 8GB (4x2GB) DIMMs , 276-pin , 533MHz DDR2 SDRAM IBM 9117-7893 4GB (4x1GB) DIMMs , 276-pin , 533MHz DDR2 SDRAM IBM 9117-7892 2GB (4x512MB) DIMMs , 276-pin , 533MHz DDR2 SDRAM