Disk /dev/sdb: 447.14 GiB, 480113590272 bytes, 937721856 sectors Disk model: SanDisk SSD PLUS Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 4096 618495 614400 300M EFI System /dev/sdb2 618496 937721789 937103294 446.8G Linux filesystem Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: WDC WD5002ABYS-1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sda1 2048 976773119 976771072 465.8G 83 Linux Disk /dev/zram0: 7.79 GiB, 8363442176 bytes, 2041856 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes