Kingston KVR1333D3D4R9S/4G

The Kingston KVR1333D3D4R9S/4G is a memory module that works in a standard 240-pin DIMM slot, making it compatible with both PCs and Macs. A 72-bit array of 512 megabyte blocks combines to a total capacity of 4 gigabytes of capacity.

This follows the CL9 SDRAM format, and works as a DDR3 memory module operationg at 1333 megabytes per second. Latency timing of the module at 1333 Mhz is set at 9-9-9 with 1.5 volts of power, and no specific support is provided for higher voltages. If operated at 1.5 volts the unit comes with a lifetime warranty. JEDEC standards are used here, and a standard parity error-checking system is used along with dual-rank memory module technology.