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Interested in reviews of Seagate Exos X18 18TB 512e/4kn SATA? It got 4.5 out of 5 stars from our customers. Find specific customer reviews of Seagate Exos X18 18TB 512e/4kn SATA below. We will appreciate if you also share your experiences with Seagate Exos X18 18TB 512e/4kn SATA after purchasing.
Rated 15/07/2025, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
X18 EXOS drives are enterprise drives, from this it can be clearly seen that the manufacturer did not address noise or higher temperature and primarily targeted datacenters and large storage, where these things do not matter so much.
The drive itself is very reliable and surprisingly fast (it stays around 270MB/s constantly), in RAID6 I was getting to write slightly over 1GB/s (for 6 drives) Disappointing is that Alza sent me a Factory recertified drive without mentioning it anywhere, such a drive has a shortened warranty from the manufacturer, and even if Alza maybe their 5 year warranty will be respected, the manufacturer no longer guarantees that you will get the data out of the drive in case of failure: ( Plus recertified units sell cheaper than brand new units.
Output
Big
Reliable
Noisy
Drowning
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Vladislav, Chýně
Rated 11/03/2025, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
I bought two pieces for my NAS and they are reliable and fast
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Marek, Brno 16
Rated 04/12/2024, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
Purchased two discs, both arrived working
A little noisier, but nothing terrible, no squeaking or knocking sounds, it's like that classic "grunting" sound, just a little louder
Speed matches specifications (one 265 MB/s, the other 268 MB/s)
nothing
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Petr, Praha
Rated 04/12/2024, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
makes a high-pitched squeaking sound. who does not hear the frequencies, please add at least 1 star
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Mahax group s.r.o., Brno
Rated 27/11/2024, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
price/performance/size
I already own 2x of this series and they work like clockwork in Server 24/7
a little noisier than regular HDDs
it may be a minor problem to fit it into a regular 3.5" position (at least in my case)
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Pavel, Modrice
Rated 03/01/2024, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase - review from a price comparison website
good price/capacity ratio
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Michal, Orlová-Lutyně
Rated 11/07/2023, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase - review from a price comparison website
more powerful than conventional desktop drives
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Tomáš, Ostrava - Moravská Ostrava
Rated 23/02/2023, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
I bought HD a year ago. After a year of 24/7/365 use it started to be extra noisy. Each click on a file (or photo) is accompanied by a clicking sound. I don't think it will survive the 5-year warranty.
Capacity
Zaruka
Price
Hlucnost
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Jiří, Chodov
Rated 01/02/2023, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
Bought like new but makes crazy noises, returned.
Capacity 18TB
Write speed 40-100 MB/s
Crazy loud, watch out
almost to the point of banging, especially when writing
will be returned, hopefully they'll refund the money
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Rostislav, Ostrava - Poruba
Rated 05/12/2022, variant Seagate Exos X18 18TB 512e/4kn SATA
Verified purchase
So far it works without problems
Quiet
Size - price ratio
CMR
nothing
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