The TW3X4G1333C9 is a 4096 M Byte matched pair of DDR3 SDRAM DIMMs This part delivers outstanding performance in the latest generation of dual-channel DDR3-based motherboards It has been tested extensively in multiple DDR3 motherboards to ensure compatibility & performance at its rated speed This memory has been verified to operate at 1333 M Hz at low latencies of 9-9-9-24 Memory Internal memory 4 GB CAS latency 9 Memory voltage 15 V Memory clock speed 1333 MHz Internal memory type DDR3 Power Memory voltage 15 V Technical details Number of pins 240