TerraMaster F2-221 vs. Synology DS218+: Which is a better home NAS?

If you're on a tighter budget, you'll want to consider the TerraMaster F2-221, especially if you only need it for light streaming and to store all your important files. Should you want the best of what a NAS has to offer at this price point, go with the Synology DS218+ for the ultimate home server.

Similar NAS specs

The Synology DS218+ and TerraMaster F2-221 are similar NAS models on paper, both sporting the same Intel Celeron J3355 processor — which isn't too bad at media streaming and transcoding — 2GB pre-installed RAM, and the same two drive bays. Where things start to differ is when you look further down the list of specifications.

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Header Cell - Column 0 Synology DS218+TerraMaster F2-221
CPUIntel Celeron J3355
Dual-core 2.0GHz (2.5GHz boost)
Intel Celeron J3355
Dual-core 2.0GHz (2.5GHz boost)
RAM2 GB (6 GB max)2 GB (10 GB max)
Ports1x GbE
3x USB 3.0
1x eSATA
2x GbE
2x USB 3.0
Dimensions165 x 108 x 232.2 mm133 x 119 x 227 mm
Weight1.30 kg1.46 kg
Noise19.3 db(A)18.6 db(A)
Power17.23 W (access)
5.4 W (hibernation)
25.6 W
2.0 W (hibernation)
OSDiskStation Manager (DSM)TerraMaster OS (TOS)

Synology packs in three USB 3.0 ports and even a front-facing eSATA port for hooking up an external drive. TerraMaster does not support eSATA but instead added a secondary GbE port for networking and just two USB 3.0 ports. How much storage you can install on both NAS models is identical at 24TB and similar RAID setups are available, aside from Synology's custom SHR in DSM.

Synology opts for a black metal chassis for all of its DiskStation NAS models, while TerraMaster uses an aluminum silver design. Both are well built, though it's clear to see that Synology took a little more time with the design of the DS218+, for instance, planning in advance how an owner will upgrade the RAM by making it more accessible. You literally have to pull the F2-221 apart to install a RAM module.

Power draw and system noise are almost identical, but the software offering is where things really go in Synology's favor. Not only do you get to try out Synology's hybrid RAID configuration for data redundancy and decent read and write performance, but a ton of features are wrapped up in a user-friendly interface.


Synology's DiskStation Manager (DMS) OS is incredible.

Where the Synology range of NAS really shines is with the operating system. The company developed DiskStation Manager, built upon Linux OS, which is stable, reliable, and secure, allowing you to store all your personal files on the NAS without concern, especially if you configure everything accordingly.

Much like a Windows or macOS installation, a web GUI is available that makes managing all the ins and outs of a Synology NAS an absolute breeze. From configuring a hard drive array RAID to installing various third-party software and services, like Plex, everything can be done through your favorite browser.

TerraMaster's TOS is a similar execution but it's not quite as polished, nor is it a smooth journey from setting up the NAS to managing stored content. Installing and setting up the OS is painless on a Synology NAS. It's already preinstalled and ready to go. Simply plug in the unit, connect to the NAS on the network using your favorite browser, and follow the wizard. TerraMaster has a similar initial process, but it's a little more clunky.

With the F2-221, you're tasked with manually downloading the OS or allowing the NAS to download the latest version for you before doing anything. It's a strange way of doing it and may throw some beginners off track. Once it's configured, though, the TerraMaster NAS is almost as easy to use. TOS isn't as polished, but its GUI is on the same level as DSM. Overall, the experience of DSM, particularly through setup, makes it more user-friendly.

DS218+ for the best user experience

Synology offers some of the best NAS servers on the market and the DS218+ is one such example. From setting up the NAS to installing third-party apps and running your very own Plex Media Server, this NAS can do it all and more. It's perfect for NAS beginners too.

F2-221 for a more budget-friendly price

You shouldn't overlook the TerraMaster for a few minor flaws since the NAS unit itself is a solid offering with great internal components. When TerraMaster eventually addresses some of the rough edges of its OS and overall NAS solution, it'll be far more compelling. Still, it's a great purchase.

Rich Edmonds
Senior Editor, PC Build

Rich Edmonds was formerly a Senior Editor of PC hardware at Windows Central, covering everything related to PC components and NAS. He's been involved in technology for more than a decade and knows a thing or two about the magic inside a PC chassis. You can follow him on Twitter at @RichEdmonds.