

Brand TerraMaster
CPU Intel Celeron N5095
Memory 4GB DDR4 (max. 32GB)
Drive Bays 4
Expansion 2x M.2 PCIe 3.0
An Intel CPU, 4GB of RAM, four drive bays, and a decent OS make this one of the best NAS deals you can find right now.
If I were to recommend just one network-attached storage (NAS) deal to kick-start your mass storage and self-hosting journey, it would be the TerraMaster F4-423. This Prime Day deal is an absolute steal, saving 20% on the already reduced price, and while this may not be the latest and greatest NAS from the brand, the F4-423 has everything you need to store some files and run apps. Note that, like all other NAS enclosures, there aren't any drives included.
What makes this a must-have NAS deal?

The TerraMaster F4-423 is a four-bay enclosure with some impressive specifications for the price. Speaking of which, this thing has an MSRP of $500, yet was often found at $460. For Prime Day, this NAS has been discounted once again to just $368, making it quite the steal for those looking to bolster their network storage capacity. Being a NAS, all you need to do is connect the enclosure to a free power outlet and your router, allowing any device on the LAN to connect and access files.
Inside the F4-423 is an Intel Celeron N5095, which is more than enough for running some apps and services, thanks to its four cores and maximum burst speed of 2.9 GHz. I had no trouble transcoding some media through Plex and Jellyfin, though if you're wanting to rely on hardware support, I would consider a more expensive NAS with a beefier CPU. 4GB of DDR4 RAM is present, and this can be bumped to a maximum of 32GB, depending on your needs. That's more than what most desktop PCs have.

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The four 3.5-inch bays will support up to 20TB drives, according to TerraMaster. That's 80TB of raw capacity before factoring in RAID. And if that wasn't enough, TerraMaster threw in two PCIe Gen 3 M.2 2280 slots to expand capacity further and unlock SSD caching. Two 2.5Gb networking links are at hand to provide more than enough bandwidth in even the most demanding scenarios. So, unless you have a serious home lab and LAN, you'll have no trouble working with the F4-423
I relied on this NAS for a good few months and enjoyed using the latest version of TOS on such capable hardware. To get all of this with other brands, you'd be looking at an additional $100, if not more.