![How to fix- Pen drive is showing Unknown Capacity & Unable to Complete Format problems in Windows 10 , 11 How to fix- Pen drive is showing Unknown Capacity & Unable to Complete Format problems in Windows 10 , 11](https://thegeekpage.com/wp-content/uploads/2020/03/cmd_search.png)
How to fix- Pen drive is showing Unknown Capacity & Unable to Complete Format problems in Windows 10 , 11
![Amazon.com: SanDisk 400GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-400G-GN6MA : Electronics Amazon.com: SanDisk 400GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-400G-GN6MA : Electronics](https://m.media-amazon.com/images/I/81MZ2WBTrkL.jpg)
Amazon.com: SanDisk 400GB Ultra MicroSDXC UHS-I Memory Card with Adapter - 100MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUAR-400G-GN6MA : Electronics
![SanDisk Ultra 64GB MicroSDXC Class 10 UHS Memory Card Speed Up To 30MB/s With Adapter - SDSDQUA-064G-U46A [Old Version] SanDisk Ultra 64GB MicroSDXC Class 10 UHS Memory Card Speed Up To 30MB/s With Adapter - SDSDQUA-064G-U46A [Old Version]](https://m.media-amazon.com/images/I/6130ygb4hyL._AC_UF1000,1000_QL80_.jpg)
SanDisk Ultra 64GB MicroSDXC Class 10 UHS Memory Card Speed Up To 30MB/s With Adapter - SDSDQUA-064G-U46A [Old Version]
![Amazon.com: SanDisk 1TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T00-GN6MA : Electronics Amazon.com: SanDisk 1TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T00-GN6MA : Electronics](https://m.media-amazon.com/images/I/81sWnduFBfL._AC_UF1000,1000_QL80_.jpg)