Product Comparison: QNAP TS-421 vs QNAP TS-420
This site is a free online resource that strives to offer helpful content and comparison features to its visitors. Please be advised that the operator of this site accepts advertising compensation from certain companies that appear on the site, and such compensation impacts the location and order in which the companies (and/or their products) are presented, and in some cases may also impact the scoring that is assigned to them. The scoring that appears on this site is determined by the site operator in its sole discretion, and should NOT be relied upon for accuracy purposes. In fact, Company/product listings on this page DO NOT imply endorsement by the site operator. Except as expressly set forth in our Terms of Use, all representations and warranties regarding the information presented on this page are disclaimed. The information which appears on this site is subject to change at any time. More info
- Initial set up is easy. Great slots.
- The hardware is pretty good. Capacity is large.
- I have two 1TB red drives and I use it for the whole family. Plenty of storage size.
- I have it on default with 4x WD Red drives on RAID. Easy drives set up.
- The hardware seems good, great capacity and slots.
- Nice little unit. Very well made. Great capacity.
- It was extremely easy to set up drives in slots and configure.
- Easy to set up. Nice slots for my drives.
- QNAP makes a quality NAS! Great size of storage.
- Replaced unit works without issues. I like this storage with good capacity.
- Standard shares (multimedia, home, downloads, etc already set up).
- The software and interface works well and seems quite secure.
- Set up is easy. The server is very quiet and looks great.
- I want to love it but I just find the web interface too temperamental.
- It has a bad IP address set up.
- Uses standard RAID configurations 0,1,5,6. Would recommend.
- The built in tools work seamlessly with all my wireless devices (iPad 2, iPhone 4s, and Nokia 920).
- Admin interface easy to use. Lots of apps and modules to install to extend functionality.
- Ability to bind the two NICs. Ability to upgrade drive capacity in place
- Has VPN functionality, cloud access outside of network.
- Qnap updates the software. Nice speed of LAN.
- Great LAN ports. Fast speed. Good storage.
- Capacity is awesome for home, easy to install, has USB ports.
- I think the more expensive model with an HDMI out probably would have been better and more future proof.
- Transfer rates copying from an external USB3 drive are surprisingly slow.
- I can transfer usually at 38MB/write speed which is pretty good for the price.
- Transfer speeds actually aren't bad. Great LAN ports and speed.
- Firmware update it really is very nice. Nice USB ports. Good speed.
- Fast speed, has USB ports. Great product, would recommend.
- Item was advertised incorrectly and had to be returned. Few ports are broken.