The Synology DS923+ NAS is a better choice for those who need fast local access and on-premises control, with a score of 7. However, the Backblaze B2 is a more affordable and scalable option for off-site data backup, with a score of 8. According to a review by Tom's Hardware, the Synology DS923+ NAS offers fast local access, while a review by PCMag notes that Backblaze B2 has a strong reputatio...