A packet capture device incudes: a capture unit which captures packets that flow in a communication network at 200 Gbps; a control unit which temporarily holds the packets captured; and an interface which stores the packets temporarily held into a secondary storage device. The control unit includes: a first NUMA node including a first processor and a first memory; and a second NUMA node including a second processor and a second memory. The capture unit includes: a first capture unit which captures packets and stores the packets into a first memory; and a second capture unit which captures packets and stores the packets into a second memory.