Original Post
Written by
Edited January 26, 2024
at 02:56 AM
by
Server Part Deals via eBay [ebay.com] has the 20TB Seagate Exos X22 3.5" 7200RPM Enterprise SATA Hard Drive ST20000NM004E (Manufacturer Recertified) for
$196.00
Shipping is free. 30 days returns. Seller pays for return shipping
- Manufacturer Recertified, no bad sectors
- 20TB Capacity
- Model ST20000NM004E
- 3.5" Form Factor
- 7200RPM
- 512MB Cache
- 1-year warranty
Alternatively,
serverpartdeals.com [serverpartdeals.com] has it for
$209.99
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As enterprise drives have 1.5-2m MTBF and high duty cycles getting one a few years old then putting it in a home server where the duty is typically low doesn't really kill their lifetime (they may last 5+ years). However you don't REALLY know how they have been used. There are a lot of Chia drives starting to show up now that Chia farming not making so much $$$ and those drives are hit hard.
So when they come back they do the normal electrical and bench testing, flash new firmware and test for OOS (out of spec). The OEM then resets the SMART data and sends it into the channel. That is manufacturer recertified. Then the manu typically offers a warranty directly with them. If the warranty is not with the OEM it doesn't matter what they say it is not manu recertified.
The second class is returns where a seller buys off the market and does the refub themselves or buys from a refurbisher. It may or may not be as rigorous as the manu and the warranty is offered by them (as in this case). Depending upon the drive they may or may not be able to reset the SMART data (some ent drives require manu keys to do that).
The third class is OOS. Out of Spec. These are drives that are marginal or fail certain conditions of the refurb process. They flash special firmware on these to "dial down" the performance and or address the spec issue. The seller will put a warranty on these. MDD is a perfect example of OOS drives offered by SPD. I like to buy these for capacity and they offer a 5 year warranty. They are also significantly cheaper than the other two. I rigorously test them first before putting into service
This is very informative. Thanks! What is the method you used to test the MDD drives rigorously?
Raw read error rate
Seek error rate
Not to worry, you can go to this site to put the raw data in there and it will tell you if there is an actual issue: https://s.i.wtf/
I can't tell you how many people return drives for stupid stuff and not having power supplies w/ the correct pinouts (or SATA cables)
If you use windows HDD Scan is a good app: https://hddscan.com/
Or Seagate Seatools for Seagate drives (or HDD) which are usually Seagate drives.
1. Your preproduction should likely be on SSD/NVMe because they are so much faster. Post and and archive can go on these for capacity. i would personally not use a single HD for pre/editing. You can use the HD as a backup target during this tho. If you are a casual user then maybe. I have three tiers NVMe -> SSD -> array (HD)
2. These are enterprise drives so they will be loud and take up more energy (generating more heat) so you should ensure you have proper ventilation in your desktop.
So in the US its really now Seagate and WD and all their flavors. So we are down to Coke vs Pepsi (if you are old enough to remember). Toshiba is like RC Cola
power on time: 25 hours
power on time: 25 hours
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