Seagate IronWolf Pro ST6000NE000 vs Synology HAT3300-4T

Researched, not hands-on tested.How we review ›

all judged against NAS hard drives at a similar price

The Seagate IronWolf Pro ST6000NE000 scores 7.0/10 overall, ahead of the Synology HAT3300-4T at 6.7/10.

The Seagate IronWolf Pro ST6000NE000 leads on reliability ratings and warranty.

The Synology HAT3300-4T leads on recording technology and noise and power.

They score the same on performance.

The biggest difference is warranty, where the Seagate IronWolf Pro ST6000NE000 scores 10/10 to the Synology HAT3300-4T's 6/10.

Seagate IronWolf Pro ST6000NE000

7.0/10verdict: buy

The IronWolf Pro ST6000NE000 is a 6TB drive for multi-bay NAS builds that want a 5-year warranty and a 300 TB/year workload rating. It suits people who value 5-year cover and bundled data recovery over low noise. It fits a rack or tower NAS where the drive sits away from living space.

Typically about £230 in the UK when we researched itCheck price at Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Synology HAT3300-4T

6.7/10verdict: good, not the best

The Synology HAT3300-4T is a 4TB CMR drive for people filling a NAS with Plus Series disks. It suits buyers who want a 180TB/year workload rating, a 3-year warranty and good RAID 5 speeds. It is a less comfortable fit if the NAS sits in a quiet room, because owners report that it is audible.

Typically about £215 in the UK when we researched itCheck price at Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	Seagate IronWolf Pro ST6000NE000	Synology HAT3300-4T
Reliability ratings	25%	7/10	6/10
Recording technology	20%	6/10	9/10
Warranty	20%	10/10	6/10
Performance	20%	7/10	7/10
Noise and power	15%	4/10	5/10
Overall		7.0/10	6.7/10

Specifications

Spec	Seagate IronWolf Pro ST6000NE000	Synology HAT3300-4T
Capacity	6TB	4 TB
Spindle speed	7,200 rpm	5,400 rpm
Cache	256 MB	256 MB
Recording (CMR/SMR)	Perpendicular	CMR (conventional magnetic recording)
Workload rating	300 TB/year	180 TB/year
MTBF	1,200,000 hours	up to 1.2 million hours (manufacturer page; datasheet MTBF row conflicts at 1.0M/1.2M)
Rated for bays	Up to 24	not listed
Warranty	5 years limited	3 years

Strengths and weaknesses

Seagate IronWolf Pro ST6000NE000

+ 5-year limited warranty with 2-year data recovery plan
+ 300 TB/year workload rating and up to 24 bays
+ 214 MB/s maximum sustained transfer rate
− 7,200 rpm spindle speed, with noise rated at 2.7 bels
− Data recovery needs registration; availability varies by country
− Datasheet lists perpendicular recording without naming CMR or SMR

Skip it if:

Buyers placing a NAS in a quiet room where 7,200 rpm noise would bother them
Buyers who need CMR confirmed on the datasheet before buying
Buyers in a country where the data recovery plan is unavailable and who wanted it

Read the full Seagate IronWolf Pro ST6000NE000 review ›

Synology HAT3300-4T

+ CMR recording, stated as 100% across the Plus Series
+ 202 MB/s typical maximum sustained transfer rate
+ Owners report fast RAID 5 performance
− Owners report it is louder than earlier WD Red Plus drives
− Warranty is 3 years, with no data recovery mentioned
− MTBF figure varies between 1.0M and 1.2M hours

Skip it if:

Buyers putting a NAS in a quiet bedroom or living space
Anyone who wants a data recovery service bundled with the warranty
Users planning very heavy write workloads above 180TB per year

Read the full Synology HAT3300-4T review ›

More comparisons

Compare all NAS hard drives · Best NAS hard drives