QNAP TS-873U - HDD,SSD - Serial ATA III - 2.5/3.5" - 0,1,5,6,10,JBOD - FAT32,HFS+,NTFS,exFAT,ext3,ext4 - 2.1 GHz
QNAP TS-453BE - HDD,SSD - Serial ATA,Serial ATA II,Serial ATA III - 2.5,3.5" - 0,1,5,6,10,JBOD - 1.50 GHz - Intel® Celeron®
QNAP TS-431XeU - HDD,SSD - Serial ATA,Serial ATA II,Serial ATA III - 2.5,3.5" - 0,1,5,6,10,JBOD - FAT32,HFS+,NTFS,exFAT,ext3,ext4 - 1.7 GHz