4520-8203 - IBM Power6 E4A 1024MB (2x512MB-8203) RDIMMs, 667 MH
4522-8203 - IBM Power6 E4A 4096MB (2x2048MB-8203) RDIMMs, 667 M

4521-8203 - IBM E4A 2048MB Main Storage (2x1024MB) RDIMMs

Brand: IBM AS400 iSeries
Product Code: 4521-8203
The IBM Power6 8203-E4A (#4521) 2048MB (2x1024MB) RDIMMs, 667 MHz, 512Mb DRAM</p><p>Provides 2048MB of system memory with 2 1024MB RDIMMs. </p><p></p><p>Attributes provided: 2048MB of system memory. </p><p>Attributes required: Two empty memory DIMM positions </p><p>For 8203-E4A: The IBM Power6 8203-E4A (#4521) </p><p>Minimum required: 0 </p><p>Maximum allowed: 4 (Initial order maximum: 4) </p><p>OS level required: AIX 5.3 with the 5300-07 Technology Level or later. AIX 6.1 or later. IBM i V5R4 with V5R4M5 machine code, or later. SUSE Linux Enterprise Server 10 SP1 for POWER Systems, or later. Red Hat Enterprise Linux for POWER, version 4.5, or later. Red Hat Enterprise Linux for POWER, version 5.1, or later. </p><p>Initial Order/MES/Both/Supported: Both </p><p>CSU: Yes </p><p>Return parts MES: No