Storage Capacity 4 GB Upgrade Type Generic Memory Type DRAM Technology DDR II SDRAM Form Factor DIMM 240-pin Memory Speed 1066 MHz (PC2-8500) CAS Latency CL5 RAM Features Unbuffered Module Configuration 256M x 64 Supply voltage 2.3 V Lead Plating Gold Expansion / Connectivity Compatible Slots 2 x memory - DIMM 240-pin Manufacturer Warranty