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we've told you this so many times buying used hard drives is not worth risking

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your data but sometimes

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offer you just cannot refuse we took that risk and bought eight used hard

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drives from eBay totaling 136 terabytes for two thousand dollars

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that's almost half the price compared to new really impressive savings but just

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like buying a used GPU on eBay there's a real chance that new to you high

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capacity hard drives were used for crypto mining so is even this great deal

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worth it if there's a chance your parts arrive with one foot already in the

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grave I'll tell you where and why these drives are popping up for sale what red

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flags to look out for and when you should consider making an exception to

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the don't buy used hard drives rule right after I tell you how to make an

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traditional wallet with its compact frame and RFID blocking plates the Bulge

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all right the shameful truth is this

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isn't even the first time we've bought you storage my personal hard drives are

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from a dead Nas and are currently Dying Years Ago Linus splurged on 24 used ssds

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for a server at home but the only reason he was comfortable taking that risk was

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that he had been reassured by another buyer the ssds were in good health so he

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bought them this time though we don't have that luxury but what we do have are

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some very attractive prices two hundred dollars for 16 terabytes when the

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cheapest new drive with the same capacity would be in the neighborhood of

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300 so why are they so cheap supply and

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demand wow a huge volume of drives are

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being dumped on eBay Marketplace and the like some from Everyday People some that

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were refurbished and some from unscrupulous users that use the hard

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drive to mine cryptocurrencies

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but how much does that hurt them well

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there are many coins you can mine on a hard drive today we tried it in the past

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the most popular by far is chia mining

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it was so popular at launch in May 2021 that Seagate was even considering making

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an entire line of cryptocurrency specific hard drives sure anyway Chia

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mind hard drives should be pretty safe to buy since Chia runs on a proof of

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space algorithm so once the drives are filled with the plot data from Chia to

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prove the space or capacity very little read or write activity is required while

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mining that space on the drive that means that drives used in Chia mining

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are barely used which is enough justification for us to roll the dice on

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eBay we settled on two 16 terabyte WD

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UltraStar HC 5500s two 16 terabyte

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Seagate XO 16x's that one yeah this one

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right here and four 18 terabyte

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and now they're here let's compare what was advertised with what we actually got

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our two WDS were listed with up to 2100

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hours of power on yeah not so much we got drives with 2300

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and 2600 hours a bit above the stated value but in the grand scheme of things

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those extra 10 or 20 days of power on time aren't really a big deal on the

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flip side the seagates were expected to arrive with up to 11

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000 power on hours and instead they just had like 234 213 hours damn score but

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still is that a lot or a little in the Enterprise world the expected lifetime

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is around 45 000 hours but anecdotally some of our

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staff have drives with 50 to 60 000 hours ultimately it's hard to say when a

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drive is too old to use higher hour

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drives are typically cheaper but they also might not last as long only you can

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decide if it's worth it for your needs but we'd recommend 20 maybe 25

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000 hours as a safe ceiling lastly our

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four Toshiba drives the packaging just speaks for itself this is what our other

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drives came in uh you can see here ESD bags this foam hold your hard drives in

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and this is how the Toshiba has arrived not great for mechanical devices with

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moving Parts like just look at the SATA connectors on this one

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I noticed that the corner is just completely passionate on this one oh

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it's just actually broken fantastic a quick sound check on the

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Toshibas tells us the other drives were damaged as well

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huge bummer unfortunately this buyer didn't accept our returns but no matter

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the buyer protection on eBay is excellent and we're able to use the

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money back guarantee to get our cash back but physical condition and Power on

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hours aren't the only way to diagnose our drives it's time to pull the rest of

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the smart data thanks to the cloud backup and storage systems experts at

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backblaze we know that some parameters are better indicator of failures than

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others the combination of attributes 5187 188 and 197 and 198 can accurately

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predict an impending drive failure 76.7 percent of the time and how did our

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other drives fare flying colors it's

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golf rules and we have zeros across the board or at least as far as we could

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tell see every Drive manufacturer has different ideas about which of the many

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specific smart attributes they should monitor Seagate gave us all five while

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neither WD or Toshiba include 187 and

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188 one blemish though was that despite its low power cycle and on hours count

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attribute 199 on one of our Seagate exos

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drives was flagged as concerning this rather nebulous error count increases

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when there are infinitesimally short drops in communication between the

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controller on the hard drive and the SATA controller on the motherboard

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during a data transfer operation these drops are almost exclusively caused by

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things like a bad or lucida connection or a faulty SATA controller on the host

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system so ultimately they're safe to ignore so long as they aren't

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reoccurring and if you confirmed the cabling and the controller are both good

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the final thing we can glean from our smart data is the evidence of crypto

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mining farming whatever we're looking at threes specific signs high power on

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hours are relatively low number of total reads compared to those power on hours

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and a total right amount that is roughly equal to the size of the drive although

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that's no guarantee with a quick conversion and a little math we can see

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our Seagate drives have a total reads and writes that are staggeringly high

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given their 250 ish power on hours it's

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also roughly twice their capacity which according to our friend Wendell from

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level one text could be due to one of the Integrity checks that might run

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while refurbishing a truck and lo and behold they've been etched to say they

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are recertified weird since there was nothing about that in the listing

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oh well we can only speculate on their

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history but it's possible these are gray Market drives from a batch of drives

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that had their tilt indicators tripped during shipping or were sent back as an

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open box return drive failure is mostly

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common when a drive is new they may be DOA or fail within a couple days of use

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so these drives could have been through all of that before being recertified and

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then sold to us checking the Seagate website for warranties has both drives

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report back not warranted by Seagate which in theory means that the

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recertifying company offers an alternative warranty and this 30-day

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seller warranty is exactly that 30 days isn't quite the five years that Seagate

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offers from authorized sellers but it's a heck of a lot more than zero days plus

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they are WD drives continued their trend of ignoring useful features and chose

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not to log total reads and writes thanks WD this makes it difficult for us to

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even speculate on their history but at only a hundred or so days of power on

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time it seems unlikely they are part of a farm because having their patience to

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allow those rewards to slowly accumulate is essential for returning a profit

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especially when Factory in upfront costs and power consumption and you should

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factor in the power you feel with a screwdriver from lttstore.com

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they're actually very good now it's time to do something with these drives seeing

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as we have this much storage on hand let's do it to make just a janky DIY Nas

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and compare its price to an off-the-shelf pre-built Mass the key

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night among you may have already knows though that we paid more for our 16

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terabyte drives than our eight teams so it seems like a good time to note that

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we had some time constraints that prevented us from getting the absolute

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best bang for a buck on the hard drive namely we wanted to get a variety of

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different drives from different Sellers and they had to be able to ship it to us

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up in Canada further limiting our choices our best deal was easily the

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recertified Seagate drives that came with an 80 Gigabyte per dollar compared

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to 50 to 55 gigabytes per dollar brand new that's two used drives for the price

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of one and a half brand new and if you happen to need a drive we'll have the

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links for both new and used down in the description

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oh here we go oh wow that's heavy good old steel chassis assuming we converted

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our trustial 69 gaming PC into an ass

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and assuming we loaded it with these 16 terabyte seagates which ideally within

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the toshiba's if they worked and then you factor in some money for cables and

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a hard drive cage we are sitting right around 71 gigabytes per dollar meanwhile

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a pre-configured Nas with that much storage space comes in at

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1622 meaning 39.5 gigabytes per dollar

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what could you do with that extra 720

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how about buying another three full hard drives or building a whole other PC not

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to mention that the 69 PC can still do all the normal things you expect a PC to

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do while a dedicated Nas has a singular purpose but it's not just about spending

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Less on your Nas project you can also afford to buy more drives that you can

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dedicate to parity for example choosing to go with raid 5 instead of raid 1.

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those used drives may be less reliable overall but at some point the extra

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redundancy makes it the safer move but there's a few things we haven't touched

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on so far with this price discussion sales on new hard drives and shocking

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shocking hard drives involves buying a drive generally intended to be used

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externally and removing all the unnecessary bits to just get to the 3.5

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inch hard drive inside as an example you

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could pick up one of these 18 terabyte external WD My Books brand new for 280

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per Drive meaning 64 gigabytes per

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dollar substantially closer to the cost of a used Drive than to the cost of one

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that was intended to be used internal all along as for sales on new drives

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this is essentially a matter of patience

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we've seen the price of a brand new 18 terabyte drive fall as low as 300 a new

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16 terabyte drives have gone on sale for 245. again not as cheap as used but it's

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got a lot of benefits like a full warranty known history and zero power on

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hours with all that said though can I ultimately recommend using used hard

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drives it's all going to come down to just your personal Comfort level with

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risk if you are storing something easily replaceable like Steam games or media

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files you might be pretty excited to get a bunch of capacity or redundancy for

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the same amount of money but if you're storing family photos or important

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documents well those are worth a heck of a lot more than a game save to most

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people and also just use steam Cloud saves and knowing they're on a new Drive

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might help you feel more at ease regardless of what drives you end up

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with you should have a good one two three backup strategy in place things

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three copies of your data on two separate mediums with one stored off

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site I personally prefer the one one one

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one drive already failing one location

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s about risk aren't something we can answer for you it's up to each

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individual to decide on their own but for our part yeah it's kind of worth the

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risk we've definitely had a bunch of change of opinion on used drives and

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we'll be considering them in future want to build calls for the most terabytes

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for our dollars just like how this video calls for the most segue to our sponsor

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watching this video I might have been a little bit deeper than we thought at

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first but if you enjoyed this video maybe you want to look at the last time

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you built a tiny nest with a hundred terabytes of space sure wish that we

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bought some used drops for that one have a great day
