CAPACITY 4GB STANDARD PC2-5300 SINGLE MODULE OR DUAL KIT Dual Channel kit (2x 2GB) MEMORY SPEED 667MHz (DDR2-667) CAS LATENCY CL5 MEMORY TIMINGS 5-5-5-15 VOLTAGE 1.8V ERROR CHECKING Non-ECC FEATURES 6-layer PCB, Team Elite Plus Black range, black alu heatspreaders REGISTERED Unbuffered TECHNOLOGY 240-pin DDR2 SDRAM CONFIGURATION Double-sided 2GB DDR2 modules PACKAGING Retail packaging WARRANTY Lifetime manufacturers warranty