Crucial 4GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) Desktop Memory Model CT4G4DFS8213 Cas Latency: 15 Voltage: 1.2V Buffered/Registered: Unbuffered Features: Increase data throughput - up to 50% more memory bandwidth x0A x0AEnable up to twice the installed server memory capacity x0A x0AReduce power consumption - up to 40% more energy efficient x0A x0AEasier system cooling - less heat generated per module x0A x0AOptimized for future Intel Xeon processor E5-2600 v3 product family x0A x0ACompatible with OEM servers and warranties x0A x0ABacked by the Reliance Program