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Seagate IronWolf 125 SSD 1TB NAS Internal Solid State Drive - 2.5 Inch SATA 6Gb/s speeds of up to 560MB/s with Rescue Service (ZA1000NM1A002)

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8,328 ratings

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Capacity: 1TB

Style Name: SATA SSD

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Digital storage capacity	1 TB
Hard disk interface	Serial ATA
Connectivity technology	SATA
Brand	Seagate
Special features	Compact
Hard disk form factor	2.5 Inches
Hard disk description	Solid State Hard Drive
Compatible devices	Server
Hard disk size	1 TB
Included components	Hard Drive

About this item

High Endurance: Powerhouse SSD endurance and performance designed for heavy workloads and multi-user NAS environments
IronWolf Health Management: Built in data protection monitors your SSD NAS drive health on compatible NAS, notifying you to intervene before a catastrophic event occurs
Data Recovery Included: Rest easy with 3-years of Seagate Rescue Data Recovery Services

There is a newer model of this item:

Seagate IronWolf 125 SSD, 1 TB, Internal NAS Solid State Drive, SATA 6GB/s 2.5 Inches, up to 560MB/s Black with Three-year Rescue Services (ZA1000NM1A002)
S$451.00
(8,328)
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S$470.16
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Product description

Kick your NAS server up a notch with IronWolf 125 SSDs. Designed to deliver powerhouse performance with up to .7 DWPD, optimized for NAS, and tough enough to protect your data while handling peak user workloads with 24x7 always-on capability, they offer a wide range of capacities and lead the pack in scalability to meet your home and small office NAS.

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Technical Details

Brand

‎Seagate

Manufacturer

‎Seagate

Series

‎IronWolf 125

Form Factor

‎2.5-inch

Item Height

‎0.3 inches

Item Width

‎4.5 inches

Hard Drive Size

‎1 TB

Hard Disk Description

‎Solid State Hard Drive

Hard Drive Interface

‎Serial ATA

Are Batteries Included

‎No

Manufacturer

‎Seagate

Item model number

‎ZA1000NM1A002

Product Dimensions

‎15.88 x 11.43 x 0.76 cm; 91 Grams

ASIN

‎B08FNX4KY4

Additional Information

Date First Available

1 September 2020

Customer Reviews

8,328 ratings

4.6 out of 5 stars

Best Sellers Rank

21,845 in Electronics (See Top 100 in Electronics)
116 in Internal Hard Drives

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Customer reviews

4.6 out of 5

8,328 global ratings

5 star		81%
4 star		11%
3 star		3%
2 star		1%
1 star		4%

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Steven Ong

Good price during promo

Reviewed in Singapore 🇸🇬 on 18 January 2023

Capacity: 6TBStyle Name: HDDVerified Purchase

Purchased to add on my Synology NAS. Works as described.

Helpful

Simon

Good Value Of A 4TB Seagate Hard Disk

Reviewed in Singapore 🇸🇬 on 21 December 2022

Capacity: 4TBStyle Name: HDD ProVerified Purchase

I use this 4 TB Seagate HDD for my data backup. It's good value to money that I can get with a 3 years warranty.

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Jared Koh

Ordered 4 piece, 1 was DOA

Reviewed in Singapore 🇸🇬 on 7 August 2021

Capacity: 6TBStyle Name: HDDVerified Purchase

The 6 tb ironwolf disks were the best value per TB at the moment and I snapped up 4 of them for my new NAS. Unfortunately, 1 of them were dead on arrival, being unable to be recognized by both the NAS and USB SATA adaptor. I could choose to either RMA with Seagate locally here in Singapore (in which case I may get a refurbished product) or return the defective disk to Amazon by shipping it back. I chose the latter because I paid full price for a new disk. Luckily Amazon made the return process very simple with a next day pickup at the door. Kudos to that!

4 people found this helpful

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Colin

Drive can take a beating

Reviewed in Singapore 🇸🇬 on 4 November 2021

Capacity: 10TBStyle Name: HDDVerified Purchase

this drive can take a beating. I've killed several high capacity drives by storing large amounts of data on them and then backing up to backblaze. Backblaze will prioritise uploads until all data is backed up, and for a large capacity drive that can mean uploading for days or even weeks. I've been using this IronWolf 10TB backing up about 6TB of data for about 4 months now, and it is still chugging along great, would recommend.

One person found this helpful

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tangs

Good with no dead spots

Reviewed in Singapore 🇸🇬 on 15 August 2022

Capacity: 6TBStyle Name: HDDVerified Purchase

Works as described so far..Chugging along in the new NAS410 i bought

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Sky

IronWolf is a reliable HDD for NAS, Pretty cheap, fast delivery and Great Performance

Reviewed in Singapore 🇸🇬 on 5 February 2022

Capacity: 8TBStyle Name: HDDVerified Purchase

Purchased 2 x Ironwolf 8TB, The Drives were sealed. and delivered within the same week as confirmation of order. Work perfectly fine for me, this HDD cheaper than other seller and performance is far better than most drives.

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Ryou Ho

work as expected

Reviewed in Singapore 🇸🇬 on 18 May 2022

Capacity: 10TBStyle Name: HDDVerified Purchase

Been using the same thing for years bought a new one to add space. Very good.

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Kingsley Foo

All good. My 2nd purchased for my Synology DS920

Reviewed in Singapore 🇸🇬 on 24 May 2022

Capacity: 8TBStyle Name: HDDVerified Purchase

All good after upgrading it to 8GB from my 4Gb. Now I have 16TB.

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S. Morris

Fast, But Not For Everyone

Reviewed in the United Kingdom 🇬🇧 on 21 October 2022

Capacity: 8TBStyle Name: HDDVerified Purchase

I was running low on my 2Tb drive and began to look around to replace it with something like a 4Tb option. I searched Amazon for my current go-to brand, Western Digital, and found their Blue range of drives in both 4 and 6Tb variants. Prior to choosing though, I decided to find out whether these drives were CMR (Conventional magnetic Recording) or SMR (Shingle Magnetic Recording) models. Most drives today for the desktop market tend to be of the SMR type, especially at higher capacities. The 2Tb WD Blue drive I have is a CMR drive and has good write performance. BTW, for those that may not be aware, SMR drives suffer from far lower write performance. This means that saving files on such drives is going to be somewhat slower than for a CMR type drive. This, of course, for most desktop users is fine, the trade off is high capacity at good prices. After all, most consumers write data once when placing a file onto their drives and thereafter it's only ever read back, so not a big deal at all. As an archive drive, SMR in particular makes economic sense.

Bear in mind that the difference between an SMR and CMR drive, certainly in the case of some WD drives, is a single letter in the model number. So, for example, the 2Tb WD Blue drive I have, model number 20EZRZ is a CMR drive. The 2Tb WD Blue 20EZAZ is a SMR version. It's safe to assume that most desktop class hard drives will be SMR, certainly many of those above 1Tb capacity.

Does this matter? For most users as stated above, no.

However, I've seen some reviewers using SMR type drives within their network attached storage (NAS) systems. This is not a good idea as using drives in RAID arrays often involves heavy write operations as data has to be written across multiple drives. Rebuilding an array using SMR drives is a big no-no, as build times will be dramatically increased and therefore placing more stress on the drives. This is why I use Western Digital Red drives for my five bay NAS. The WD Red range are designed for NAS environments where 24/7 365 day a year continual running is supported. However, on a slight tangent, be advised that I use the 4Tb WD Red drives and was considering an upgrade to perhaps the 6Tb Red models to expand the capacity of my NAS. Oddly though, according to the NAS compares table listing which drives are SMR and CMR, one model of the aforementioned drive is an SMR type. This is a baffling choice for a drive marketed for NAS operation.

Apologies for the preamble on this review of the Seagate IronWolf 8Tb drive, I just wanted to help those perhaps unaware of the potential pitfalls of choosing a drive.

So, this is the first Seagate internal drive I've ever purchased. As alluded to earlier, I have always been a WD man in that regard, having over 30 years experience with hard drives and, from my personal experience, finding Seagate to suffer more drive failures than WD, certainly back in the 90's when I saw plenty fail. However, Amazon's deal on the Seagate IronWolf 8Tb, £163 at time of purchase and some £80 cheaper than WD's closest equivalent I could find, was just too good to pass up. The IronWolf brand is Seagate's equivalent to WD's Red, so a more robust drive designed for NAS environments. besides, it had a three year data recovery plan included. Now, this could be a positive or negative depending on your point of view. My prior cynicism of Seagate's reliability made me wonder why Seagate were offering such a data recovery plan. It could be interpreted that Seagate have less confidence in the longevity of their drives compared to WD, I don't know. Anyway, what further appealed to me was that this drive was indeed a CMR model, witch it should be if designed for NAS use. However, the real thing that surprised me was that it also boasted a higher 7,200 rpm spin speed as opposed to the far more common 5,400 rpm alternatives. Those as old as me will recall a time where all standard desktop hard drives were 7,200 rpm. However, over the years as platter data densities increased dramatically and thus transfer rates rose as a result, the lower rotational speed became common place, its added benefits of quieter, cooler and more power efficient operation now able to be realized without significant speed penalties.

I replaced my 2Tb WD drive in my case with the new Seagate IronWolf and powered up. After completing the drive initialization prompted by Windows and creating a partition, ending up with around 7,400 Gb available space, I began to notice something I was sure wasn't there before, a low, resonant humming coming from my large tower case. Strangely, moving my head father away from the case to determine if the hum was coming from there, resulted in it being more noticeable. The ever present hum was mildly irritating to someone like me with sensitive hearing. Not a deal breaker for most, I'm certain, and it would depend on what kind of PC case you're mounting this drive in. But given my large case is designed for silence, even having the hard drive sleds using rubber grommets between the mounting screws and the sleds, the hum was annoying.

However, for the sake of fairness, I needed to find out if this was the new drive or just something that had been there and I had suddenly become aware of for some reason. I altered the power management option in Windows to turn off the new drive after 10 minutes. I waited and then I knew it was the new drive when the hum faded into blissful silence.

I really wanted this high capacity, fast drive sat in my main PC, but not with this ever present low hum. If you play games or have a case that doesn't resonate with the 7,200 rpm drive, then this is a blisteringly fast option (See below for more details). However, I spend much of my time writing and so sadly, the hum proved too distracting for me.

I swapped out the new drive for my old 2Tb WD Blue, powered on the computer and blissful silence once more reigned. Prior to doing that though, I ran the Crystal Disk Mark benchmarking tool on it and ... Wow! ... this 7,200 rpm IronWolf drive is the fastest mechanical hard drive I've ever used, even besting my prior champion, the external WD 14Tb Elements drive I have, with a sequential read speed of 260 Mb/ sec with a sequential write of 253 Mb/sec. Truly stellar performance figures, but at a price. Not only the added noise, but I noted, too, the higher operating temperatures. The drive was running at a toasty 47C during my tests as compared with my 5,400 rpm drives at around 32C. So, for those wanting a very fast, high capacity mechanical hard drive, this is the one for you!

The problem I had now was what to do with this impressive drive. I decided to employ it in it's natural environment, my NAS. Drive 5 was a stand alone drive used for generalised backup purposes and not part of my RAID 5 array of 4 WD 4Tb Red's. Once the new drive was slotted into bay 5 and began to spin up, the subtle, but noticeable noise of the new drive could be heard. Even within my NAS, this drive could be heard over the other 4 WD Red's that were running. To be clear, this is a very subtle difference and those that run their NAS's in busy rooms or elsewhere will never notice. Even those like me with a small NAS box in one corner of a small room will likely not pick up on the change. Had I put five of these IronWolf 7,200 rpm drives into my NAS though, the overall increase in sound levels would be noticed if sat within a short distance of them. Seek noise is also much more noticeable on this drive compared to the 4Tb WD Red drives. One can hear a sharper, crisper sound as the IronWolf's head actuators move. My WD drives seek action is almost imperceptible. TO be fair though, I believe a heavier, more noticeable seek sound is par for the course for high capacity drives.

I set about copying some 1.5Tb of data from my old drive to the new one which took almost 5 hours. I noticed though, how the NAS's internal fan would regularly ramp up to keep the unit cool now it had a warmer running 7,200 rpm drive sat in the bottom bay. This turned my otherwise silent NAS, an unobtrusive box sat in one corner, into a presence that reminded me of a distant hair drier. I shudder to think had I had all five bays populated with these drives, my NAS may have trouble with the heat under sustained load. If it did, it's 120mm rear fan would be running at max continually to try and stay cool.

Do you need such a drive for your NAS? Probably not. Most NAS's are fine with 5,400 rpm drives as their transfer rates often exceed 120Mb/sec, possibly more when combined into a RAID array. bear in mind that the 260 Mb/sec read speed of this IronWolf model will totally saturate a 1 Gigabit Ethernet connection. In other words, if you run a NAS over a 1Gigabit Ethernet network, as most people do, you will never realize the speed potential of these drives in that environment. 1 Gigabit Ethernet translates to a theoretical maximum transfer rate of 125 Mb/sec. Many folks get Mega/giga bits and Mega/giga Bytes confused (ISP's are the worst for this). Thus, your 260 Mb/sec IronWolf drive will be crippled to 125 Mb/sec at best, less than half its rated speed, over a standard 1 gig Ethernet network. So, you'll have all that added noise and heat for nothing. I'm sure there is a market for such drives within NAS arrays ... somewhere in the semi-pro/professional space and on NAS devices far more expensive than mine, but for the vast majority here, nope, you don't need one of these in your NAS unless your entire network uses 2.5 Gigabit Ethernet or faster.

This Seagate IronWolf 8Tb 7,200 rpm drive is fast, very fast! But it's not for everyone. It's a technical marvel to be sure to squeeze this much performance from a mechanical hard drive and if you aren't sensitive to noise or concerned with heat, then this is a fantastic storage device. As for longevity, I'll update this review should this drive fail within its warranty period ... or even soon after.

83 people found this helpful

SMB

Decent drive

Reviewed in Canada 🇨🇦 on 31 December 2019

Capacity: 12TBStyle Name: 7200RPM - Frustration Free PackagingVerified Purchase

Product: 12TB

I bought this because, well, I needed additional space. It's really sad nowadays we only have more or less two brands to choose from and this being one of 'em. Anyway, below are the [partial] tech specs for those who are interested. The extended self-test took roughly 17 hours. Also keep in mind that drives (8TB and above) does run a bit hotter than the small ones and heat is the nemesis for all magnetic drives so be sure you have sufficient cooling. Ideally, these drives should be kept below 35-40°C.

---
Hard Disk Model ID,ST12000VN0007-2GS116
Firmware Revision,SC60
Total Size,11444218 MB

Total Sectors,2929721344
Bytes Per Sector,4096 [Advanced Format]
Multiple Sectors,16
Unformatted Capacity,11444224 MB

Current Acoustic Level,Default (00h)
Recommended Acoustic Level,Max performance and volume (FEh)

Nominal Media Rotation Rate,7200 RPM

Total Time To Complete Off-line Data Collection,584 seconds
Short Self-test Estimated Time,1 minutes
Extended Self-test Estimated Time,1086 minutes
Conveyance self-test estimated time,2 minutes
Last Short Self-test Result,Successfully Completed
Last Short Self-test Date,2019-12-12 03:57:10 PM
Last Short Self-test Duration,1 minutes
Last Extended Self-test Result,Successfully Completed
Last Extended Self-test Date,2019-12-13 09:25:49 AM
Last Extended Self-test Duration,"17 hours, 10 minutes"
Last Conveyance Self-test Result,Never Started
Last Conveyance Self-test Date,Never Started

Security Mode
Security Mode,Supported
Security Erase,Supported
Security Erase Time,1068 minutes
Security Enhanced Erase Feature,Supported
Security Enhanced Erase Time,1068 minutes
Security Enabled,No
Security Locked,No
Security Frozen,Yes
Security Counter Expired,No
Security Level,High
---

92 people found this helpful

Mr. K. Leigh

Selling Reused Hard Drives

Reviewed in the United Kingdom 🇬🇧 on 2 March 2021

Capacity: 8TBStyle Name: HDDVerified Purchase

I bought a 8TB Iron Wolf hard Drive costing £200+ and when I came to fit it in My Synology NAS it showed Errors
I returned it and bought another to find that this Hard Drive was worse than the first and Knackered up my NAS it has cost me a week up to now to get my Synology NAS sorted and it isn't complete up and running yet !!!! I have reported this to Amazon who put me through to a help support to try and sort the HD out !!! What a waste of time Amazon are NOT checking the Hard drives that people are knackering up and returning them they are Unchecked before they are sent as new !!!!

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Seagate IronWolf 125 SSD 1TB NAS Internal Solid State Drive - 2.5 Inch SATA 6Gb/s speeds of up to 560MB/s with Rescue Service (ZA1000NM1A002)

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