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expired Posted by BetterThanTheBest • May 4, 2023
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expired Posted by BetterThanTheBest • May 4, 2023

Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive $289.99 at Newegg

$290

$700

58% off
Newegg
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Amazon.com has Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive on sale for $289.99:
https://www.amazon.com/gp/aw/d/B0...0DER&psc=1 OOS


Newegg.com has it for the same price but may charge a small shipping fee:
https://www.newegg.com/seagate-ex...6822185011


These are shipped and sold by Amazon & Newegg. And the price matches Frontpage deal from about a month ago sold by "Server Parts Deals".
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Amazon.com has Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive on sale for $289.99:
https://www.amazon.com/gp/aw/d/B0...0DER&psc=1 OOS


Newegg.com has it for the same price but may charge a small shipping fee:
https://www.newegg.com/seagate-ex...6822185011


These are shipped and sold by Amazon & Newegg. And the price matches Frontpage deal from about a month ago sold by "Server Parts Deals".

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Model: Seagate Exos X20 20TB 3.5" SATA Internal Hard Drive (ST20000NM007D)

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Sort: Lowest to Highest | Last Updated 7/21/2025, 10:58 AM
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Amazon$399.99

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11 Comments

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May 4, 2023
25 Posts
Joined Jul 2019
May 4, 2023
Two_Much
May 4, 2023
25 Posts
Not seeing $289.99 @ Amazon, currently shows $349.99
May 4, 2023
239 Posts
Joined Jul 2019
May 4, 2023
WiseLlama2461
May 4, 2023
239 Posts
I assume the red OOS at the end of the Amazon link means out of stock? If so it shows in stock but it also shows $349.99.
Original Poster
May 4, 2023
204 Posts
Joined Nov 2009
May 4, 2023
BetterThanTheBest
Original Poster
May 4, 2023
204 Posts
Quote from WiseLlama2461 :
I assume the red OOS at the end of the Amazon link means out of stock? If so it shows in stock but it also shows $349.99.
OOS from seller Amazon.com
$349.99 currently from a third party Amazon seller

Still in stock at Newegg (sold by Newegg) at $289.99
Last edited by BetterThanTheBest May 7, 2023 at 03:26 PM.
May 5, 2023
3,215 Posts
Joined Dec 2015
May 5, 2023
WB_K
May 5, 2023
3,215 Posts
Excuse my noobness. Is this drive for NAS? I think I have synology ds920+.. still sitting around needing a hdd.
Last edited by WB_K May 5, 2023 at 05:03 AM.
May 5, 2023
132 Posts
Joined Mar 2018
May 5, 2023
llamableat
May 5, 2023
132 Posts
based on recent AMZ and NewEgg prices, think the 16TB @ $213 is lowest $ / TB:
https://www.newegg.com/seagate-ex...002P-015K6
16TB: $13.3 / TB [$213]
14TB: $13.9 / TB [$194]
20TB: $14.5 / TB [$290]
14TB: $15.7 / TB [$219.99]
16TB: $16.7 / TB [$266.57]
18TB: $16.7 / TB [$299.99]
20TB: $17.3 / TB [$346.94]
10TB: $17.6 / TB [$176]
10TB: $20.4 / TB [$203.92]
12TB: $20.7 / TB [$248.00]
6TB: $23.3 / TB [$139.55]
22TB: $24.5 / TB [$538.00]
4TB: $25.0 / TB [$99.99]
8TB: $27.5 / TB [$219.99]
May 5, 2023
548 Posts
Joined Nov 2014
May 5, 2023
wlandy
May 5, 2023
548 Posts
Quote from llamableat :
based on recent AMZ and NewEgg prices, think the 16TB @ $213 is lowest $ / TB:
https://www.newegg.com/seagate-ex...002P-015K6 [newegg.com]
16TB: $13.3 / TB [$213]
14TB: $13.9 / TB [$194]
20TB: $14.5 / TB [$290]
14TB: $15.7 / TB [$219.99]
16TB: $16.7 / TB [$266.57]
18TB: $16.7 / TB [$299.99]
20TB: $17.3 / TB [$346.94]
10TB: $17.6 / TB [$176]
10TB: $20.4 / TB [$203.92]
12TB: $20.7 / TB [$248.00]
6TB: $23.3 / TB [$139.55]
22TB: $24.5 / TB [$538.00]
4TB: $25.0 / TB [$99.99]
8TB: $27.5 / TB [$219.99]
That's X16, not a very series with good reputation. Actually, in the BackBlaze report(https://www.backblaze.com/blog/ba...or-2022/), Seagate X14 is one of the least reliable model. I would suggest going to WD HGST or try X20 as it is more recent model. Or even further, go with refurbished disk like server part deals(as low as $8.5/TB) and set up NAS RAID 1 or similar redundancy.
Original Poster
May 7, 2023
204 Posts
Joined Nov 2009
May 7, 2023
BetterThanTheBest
Original Poster
May 7, 2023
204 Posts
Quote from WB_K :
Excuse my noobness. Is this drive for NAS? I think I have synology ds920+.. still sitting around needing a hdd.
It's an enterprise drive designed for bigger rack servers. In other words, it's designed to take more beating than in a home NAS. It should do well in your Synology. Double-check with Synology for compatibility.
Last edited by BetterThanTheBest May 7, 2023 at 03:25 PM.

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May 10, 2023
132 Posts
Joined Mar 2018
May 10, 2023
llamableat
May 10, 2023
132 Posts
Quote from wlandy :
That's X16, not a very series with good reputation. Actually, in the BackBlaze report(https://www.backblaze.com/blog/ba...or-2022/), [backblaze.com] Seagate X14 is one of the least reliable model. I would suggest going to WD HGST or try X20 as it is more recent model. Or even further, go with refurbished disk like server part deals(as low as $8.5/TB) and set up NAS RAID 1 or similar redundancy.
Respectfully disagree with your assessments, particularly (b) choosing refurb HDDs and (c) RAID 1.
May 15, 2023
41 Posts
Joined Dec 2008
May 15, 2023
jkhanlar
May 15, 2023
41 Posts
https://newegg.com/seagate-exos-x...6822185011

I clicked the NewEgg link after seeing this SlickDeals post, and I see the NewEgg website currently shows the price as $309.99 and also it shows:

"LOWEST PRICE in 30 days"

I was confused how NewEgg could claim that since less than 30 days ago the price was allegedly $289.99, which is lower than $309.99.

I made sure by checking archives, and indeed the price was lower than $309.99:

May 3, 2023 https://archive.ph/EmzvD

May 3, 2023 https://web.archive.org/web/20230...6822185011

May 9, 2023 https://archive.ph/mkBfu

May 9, 2023 https://web.archive.org/web/20230...6822185011

May 15, 2023 https://archive.ph/9eYry

May 15, 2023 https://web.archive.org/web/20230...6822185011
Jun 9, 2023
548 Posts
Joined Nov 2014
Jun 9, 2023
wlandy
Jun 9, 2023
548 Posts
Quote from llamableat :
Respectfully disagree with your assessments, particularly (b) choosing refurb HDDs and (c) RAID 1.
Understood, but X16 is still not trustworthy. For home NAS, it is perfectly fine to use refurbished HDD for RAID 10 for both speed and redundancy and most importantly simple during recovery. RAID 5 or similar approach can be way too unreliable in recovery, which is a very error prone and long lasting process. I saw twice in my life corporate IT guys screw that up.
RAID 10 means: $8.5 * 2 = $17/TB, though cost a little more, so far so good.
Jun 12, 2023
132 Posts
Joined Mar 2018
Jun 12, 2023
llamableat
Jun 12, 2023
132 Posts
Quote from wlandy :
Understood, but X16 is still not trustworthy. For home NAS, it is perfectly fine to use refurbished HDD for RAID 10 for both speed and redundancy and most importantly simple during recovery. RAID 5 or similar approach can be way too unreliable in recovery, which is a very error prone and long lasting process. I saw twice in my life corporate IT guys screw that up.
RAID 10 means: $8.5 * 2 = $17/TB, though cost a little more, so far so good.
YMMV, but experience dictates new HDD with poor brand rep > refurb HDD with great brand rep. This is where the cost / TB is irrelevant if you cannot rely on a single storage unit and have to have a second as a backup ( successful replication in failure scenarios is a bitch ).
Fault detection, rebuild time, and rebuild performance are all factors here.
( side note, of course R10. This doesn't change the terrible capabilities of the three factors mention above in SOHO / prosumer NAS products ).

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