SimpleTech Value 512MB PC2-4200 240-pin DDR2 DIMM Memory Product Description SimpleTech Value memory - 512 MB - DIMM 240-pin - DDR II Storage Capacity 512 MB Technology DDR II SDRAM Form Factor DIMM 240-pin Memory Speed 533 MHz ( PC2-4200 ) Data Integrity Check Non-ECC CAS Latency CL4 Features Unbuffered Supply Voltage 1.8 V Manufacturer Warranty Limited lifetime warranty Storage Capacity 512 MB Upgrade Type System specific