Kingston ssdnow kc300 480gb sata3 25inch ssd kingstons kc300 ssdnow solid state drive is one of the most power efficient ssds on the market it provides up to 40 minutes more battery life than a hard drive to let you do more work from a single charge kc300 features enterprise grade smart attributes that track wear range data ssd life left write amplification and total bytes written to analyze your workload and monitor the drives health its advanced data integrity protection includes du