Synology - Synology Hybrid RAID (SHR) allows you to mix and match drives of different sizes, as well as expand your volume later. Best of all, it is non-proprietary, so you can
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Synology RackStation RS819 Nas 2xRJ45 RAID 4 Discos 3.5 / 2.5, DSM - Mundo Consumible Tienda Informática Juguetería Artes Graficas
![Synology DiskStation DS218play Ethernet Compacto Negro NAS - Unidad RAID (12 TB, Unidad de disco duro, Unidad de disco duro, SSD, SATA, Serial ATA II, Serial ATA III, 3.5", 0,1,JBOD) : Amazon.es: Informática Synology DiskStation DS218play Ethernet Compacto Negro NAS - Unidad RAID (12 TB, Unidad de disco duro, Unidad de disco duro, SSD, SATA, Serial ATA II, Serial ATA III, 3.5", 0,1,JBOD) : Amazon.es: Informática](https://m.media-amazon.com/images/I/71T75JntitL._AC_UF1000,1000_QL80_.jpg)