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00:00:00 – 00:12:01
The video discusses the choice between 2-bay and 4-bay NAS units, comparing factors like storage capacity, upgradability, pricing, and future needs. The focus is on the advantages of a 4-bay NAS, emphasizing its potential for future storage expansion, cost-effectiveness, and flexibility in hardware upgrades. Important terms include RAID, ZFS, Synology DS220 Plus, DS420 Plus, cost per terabyte, and hardware configurations. The overall conclusion is that investing in a 4-bay NAS can provide more benefits in terms of storage capacity and flexibility, especially for users with expanding storage needs.
00:00:00
In this segment of the video, the speaker discusses the choice between a 2-bay NAS and a 4-bay NAS, emphasizing future needs and price considerations. They mention that a 4-bay NAS may be cheaper due to more efficient storage usage, especially with redundant RAID setups. The key assumption is using redundant RAID for comparisons. The speaker compares two Synology models but notes the principles apply to various NAS providers. Important factors to consider when choosing between a 2-bay and a 4-bay NAS include required storage capacity and upgradeability. They mention that if you need more than 18 terabytes of storage, a 4-bay NAS is necessary due to current hard drive capacities, with a 4-bay system offering an easy upgrade path for additional storage needs.
00:03:00
In this segment of the video, the speaker explains the limitations of ZFS in terms of expanding storage in a NAS system. With ZFS, adding disks to a RAID Z pool for storage expansion is not straightforward; one may need to create additional mirrored pools or rebuild the pool entirely for expansion. The comparison between four-bay and two-bay NAS systems is highlighted, emphasizing the greater upgradability and storage options available in a four-bay system. Factors like footprint, noise, power draw, and pricing differences between two-bay and four-bay systems are discussed, with considerations for storage efficiency and cost-effectiveness.
00:06:00
In this part of the video, the speaker discusses the pricing of different hard drives and NAS units, particularly focusing on the Synology DS220 Plus and DS420 Plus models. They compare the cost per terabyte for different hard drive sizes and configurations in a two-bay and four-bay setup. The speaker highlights how the price per terabyte increases for larger drives due to manufacturing challenges. They provide examples of building 8 terabytes and 12 terabytes usable storage configurations using different hard drive setups. The concept of the break-even point between the two-bay and four-bay units is discussed, emphasizing that the four-bay unit becomes more cost-effective at 12 terabytes. The flexibility to upgrade easily in the future is also mentioned as a crucial factor to consider when choosing between the two units.
00:09:00
In this segment of the video, the speaker discusses the benefits of purchasing a four-bay NAS unit over a two-bay option, emphasizing the ability to expand storage capacity in the future. By investing an extra $200 upfront for a four-bay unit, users can potentially triple their storage space by leveraging an upgrade path that only involves losing one disk for redundancy. The speaker highlights the importance of considering possible hardware upgrades when comparing two and four-bay NAS units, as the latter may offer additional features like a more powerful CPU. Ultimately, the decision between a two-bay and four-bay NAS depends on current and future storage needs, with the four-bay option providing more flexibility and potentially reducing electronic waste.