sd cards

I have Dahua IPC-HDBW5431RP-ZE cameras. I love the cameras except one issue. I need to know how we can synchronize the micro card SD with the FTP server? When the FTP server is down, the IPC start recording to SD card. And when the FTP server start running the IPC start recording in it. What I...

I have a DS-2CD4212FWD-IZD with an internal slot. The spec sheet says it is a micro SD/SDHC/SDXC up to 128G. Can anybody recommend a specific card that plays well with hikvision? BestBuy has the Samsung - EVO Plus 64GB microSDXC UHS-I (30mbs sustained) for $20 Thanks! Rick