Kingston Technology is the world&s independent memory leader & is well-known for providing high quality memory products at an attractive price Kingston Value RAM is your best source for industry-standard memory to maximise the performance & productivity of your system Built with A-grade components only Kingston Value RAM memory modules come with a lifetime warranty Specifications Memory Memory layout (modules x size) 1 x 4 GBInternal memory 4 GBComponent for Notebook Memory form factor 204-pin SO-DIMMCAS latency 11 Memory voltage 15 VRegistered No Memory bus 64 bit Lead plating Gold Module configuration 512M X 64 Row cycle time 48125 ns Refresh row cycle time 260 ns Row active time 35 ns Unbuffered memory Yes Package type SO-DIMMMemory ranking 1ECC No Memory clock speed 1600 MHz Internal memory type DDR3