Product Comparison: QNAP TS-421 vs QNAP TS-420


General Specifications
Brand
QNAP
QNAP
Model
TS-421
TS-420
Origin
China
China
About the Product
The TS-421 is a powerful yet easy to use network storage centre for data storage, backup, synchronisation, remote access, and home entertainment. As your personal cloud, you will always be connected to your files and your files are always under your control.
The TS-420 is a powerful yet easy to use network storage centre for data storage, backup, synchronisation, remote access, and home entertainment. As your personal cloud, you will always be connected to your files and your files are always under your control.
Key Specs
Hard Drive Capacity
8 TB
12 TB
Number Of Slots
4 -bay
4 -bay
Storage Drive Type
2.5”, 3.5”, SATA 3Gb/s, SATA 6Gb/s, SSD
2.5”, 3.5”, SATA 3Gb/s, SATA 6Gb/s, SSD
What customers say about "Key Specs"
QNAP TS-421 8TB 4-Bay NAS
  • 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.
QNAP TS-420 12TB 4-Bay NAS
  • 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.
Size & Weight
Color
Black
Black
Height
6.97 in.
6.97 in.
Width
7.09 in.
7.09 in.
Depth
9.25 in.
9.25 in.
Weight
6.61 lbs.
6.61 lbs.
Features
CPU
Marvell ARM 88F6282
Marvell ARM 6282
RAM
1 GB
0.512 GB
RAID Support
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, Single
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, Single
Extras
Manage multiple NAS, Access and share files, Manage system services, Monitoring on the go, Manage your music collections intuitively, Easily back up online videos
Sync files across devices, Manage multiple NAS, Access and share files, Manage download/backup tasks, Multiple advanced surveillance features, Manage your music collections intuitively, Build a personal video website, Your 24/7 download center
Included Software
Qsync, Photo Station Uploader, Surveillance Station, Music Station, Security Advisor, App Center, File Station, Video Station, AirPlay, iSCSI, Cloud Backup Station, myQNAPcloud, Download Station, HappyGet II, Vmobile, Qfile, Qmanager
myQNAPcloud, Qsync, Qfile, Qmanager, Vmobile, Surveillance Station, Photo Station Uploader, Music Station, Video Station, Download Station, App Center, HappyGet II, AirPlay, File Station, Cloud Backup Station, iSCSI
What customers say about "Features"
QNAP TS-421 8TB 4-Bay NAS
  • 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.
QNAP TS-420 12TB 4-Bay NAS
  • 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.
Interfaces
LAN Speed
1000 Mbps
1000 Mbps
Number of LAN
2
2
Number of USB
4
4
eSATA
Yes
Yes
HDMI
No
No
What customers say about "Interfaces"
QNAP TS-421 8TB 4-Bay NAS
  • 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.
QNAP TS-420 12TB 4-Bay NAS
  • 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.
Warranty / Certifications
Manufacturer Warranty
2 year(s)
2 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer


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