
Handle file storage securely with this QNAP NAS server. It provides AES 256-bit data encryption and transfer rates of up to 412MB/sec., and it has four hard drive bays for easy expansion. The quad-core Intel Celeron processor and dual-channel 4/8GB of RAM in this QNAP NAS server deliver high-speed computing. 
Q: Does this model support SSD? I'd like to get a NAS solution, but i'd like to put an SSD in it.
A: Short answer: Yes. Long answer: I've seen articles suggesting that reliability might be a factor over time if you are using the SSD drives for constant-write scenarios (I.e recording IP camera traffic). But if you are confident in the purpose and direction, the compatible hard drives can be found here: https://www.qnap.com/en-us/compatibility/?model=212&category=1
Q: You guys had this listed at $519.99 yesterday... Same model and everything. What happened...?
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A: TS-453A has a Intel Celeron N3150 Quad Core 1.6GHz (up to 2.08GHz), 4GB DDR3L RAM, max upgrade to 8GB RAM.