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QNAP TS-421 4-bay Consumer NAS Appliance Review - Benchmarks - 4 HDD / RAID 6 and Single Client Wrap-up


By: | SOHO NAS/DAS in Storage | Posted: Aug 1, 2013 6:02 am
TweakTown Rating: 92%Manufacturer: QNAP

Benchmarks - 4 HDD / RAID 6

 

RAID 6: Extend RAID 5 by adding an additional parity block; thus it uses block-level striping with two parity blocks distributed across all member disks.

 

 

HD Video Playback

 

qnap_ts_421_4_bay_consumer_nas_appliance_review_218

 

HD Video Play - 720p HD stream from Windows Media Player* 256kB reads

2HD Video Play - 2x playback

4HD Video Play - 4x playback

 

 

HD Video Record

 

qnap_ts_421_4_bay_consumer_nas_appliance_review_219

 

HD Video Record - 720p HD stream, 256kB writes

HD Video Play & Record - 1 playback, 1 record simultaneously

2x HD Video Play & 2x Record - 2 playback, 2 record simultaneously

 

 

Content Creation

 

qnap_ts_421_4_bay_consumer_nas_appliance_review_220

 

Photo Album - All reads - wide distribution of sizes

Office Productivity - Reads and writes, 1kB & 4kB reads; Mostly 1kB writes

Content Creation - 95% writes; 1k, 4k & little reads; Writes up to 64kB

 

 

File / Directory Transfer

 

qnap_ts_421_4_bay_consumer_nas_appliance_review_221

 

Directory Copy From NAS - 64kB reads

Directory Copy To NAS - Predominantly 64kB writes, wide scattering under 16kB

File Copy From NAS - 4GB file copy, 64kB reads

File Copy To NAS - 64kB writes

 

 

Single Client Performance Wrap-up

 

I haven't reviewed a true consumer level NAS like the TS-421 for a long time.

 

All of the other units on the single user charts use Intel Atom processors and some even cost twice as much as the TS-421. The 421 delivers a solid user experience at RAID 5 where most users should set the NAS at.

 

The HD video playback performance of 50 MB/s is strong enough to watch a Blu-ray ISO across the network. The 4x HD playback performance of 40 MB/s means four different TVs can play HD content at the same time, all off of the TS-421.

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