#4447 2 GB DDR-1 Main Storage 520/550
#4475 - 4GB DDR2 Main Storage 515/520/525/550

#4450 16 GB DDR-1 Main Storage 520/550

Brand: IBM AS400 iSeries
Product Code: 4450-9406
(#4450) - 16GB DDR-1 Main Storage<p>#4450 consists of four 4GB DIMMs for a total of 16GB. <p><p>Attributes provided: 16GB of main storage <p>Attributes required: 4 DIMM slots <p>For 9406 - 520 (4450) <p>Minimum required: 0 <p>Maximum allowed: 2 (Initial order maximum: 2 ) <p>OS level required: i5/OS V5R3, or later, AIX 5L for POWER V5.2 for IBM eServer, or later, Red Hat Enterprise Linux AS for POWER Version 3, or later, SUSE LINUX Enterprise Server 9 for POWER, or later <p>Initial Order/MES/Both/Supported: Both <p>CSU: Yes <p>Return parts MES: No <p>Note: Used on Model 520 with #8950, #8951, #8952, #8953, #8954, #8955 1 #8972 processors. <p>Supported on the following systems: 520