HP/Compaq Presario R4221EA Memory
Maximum Memory: 2gb
Base Memory: 512mb (Removable)
Upgrade Sockets: 2 (2 banks of 1)
256Mb Part Number: DC389B, 350236-001, 355925-001, 344866-001, DX761A, 324700-001
512Mb Part Number: 365554-001, 344867-001, 350237-001, DX762A, 324701-001
1Gb Part Number: 344868-001, 350238-001, DX763A, 336579-001, 324702-001
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