The Magic of Hard Drives: How Do They Store So Much?

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🔬 Dive into the mind-blowing world of hard disk drives! Discover the incredible technology that stores your entire digital life in a space smaller than a paperback book.
🕒 Timestamps:
0:00 - Introduction
00:55 - Components of a Hard Disk Drive
3:00 - Writing and Reading Data
6:29 - Advancements in HDD Technology
9:30 - Conclusion
📚 Detailed Overview:
Introduction: We set the stage for our exploration of HDDs, comparing their storage capacity to a library of books.
Components of a Hard Disk Drive:
Platters: The data-storing workhorses
Head stack assembly: The precision readers and writers
Voice coil motor: The muscle behind the magic
Circuit board: The brains of the operation
Writing and Reading Data:
Tracks and sectors: How data is organized
The write process: Flipping magnetic domains at incredible speeds
The read process: Using GMR sensors to detect magnetic changes
Parallel read: Reading multiple bits simultaneously
Advancements in HDD Technology:
Shingled Magnetic Recording (SMR): Overlapping tracks for higher density
Heat-Assisted Magnetic Recording (HAMR): Using lasers to pack data tighter
Microwave-Assisted Magnetic Recording (MAMR): Microwaves for even higher densities
🌱 Main Takeaways:
HDDs store data using incredibly precise magnetic technology
Modern HDDs operate with nanometer-level accuracy at mind-boggling speeds
Emerging technologies like HAMR and MAMR promise even higher storage capacities
👍 Enjoyed the video? Hit that like button and subscribe for more tech deep dives! 💬 Share your thoughts in the comments below - what amazed you most about HDDs?
#HardDiskDrive #TechExplained #DataStorage #ComputerScience

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1 авг 2024

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Комментарии : 102

@Vuntorion 2 месяца назад

The amount of views is too low for this high quality!

@1TekTak 2 месяца назад

Thanks for the love! Really appreciate you noticing the quality. We're still growing here, but awesome viewers like you help spread the word. Hopefully those view counts will catch up soon. Keep watching and sharing if you dig the content!

@nocturnusnerd Месяц назад

It's good but its 12am and I can't watch it on my HDR display with all that white, seriously

@unknownrealms8452 Месяц назад

didn't notice it till saw the top comment. He be producing like multi- million views content

@diegobaldwin3549 2 месяца назад

I'm surprised this doesn't have a million views, great work!

@1TekTak 2 месяца назад

Thanks! Means a lot to hear you think it's million-view worthy. We're still growing, but with awesome viewers like you, who knows? Maybe we'll hit that mark someday. Appreciate the support!

@lilsoul5611 2 месяца назад

@@1TekTakim sure it happen

@Mallos_sqrt17 2 месяца назад

It will

@dragonislav984 2 месяца назад

4:03 should say 2 Gigabits per second, not 2 Gigabytes. If it can change 2 billion values per second, and each byte contains 8 values (1s and 0s, then it can record 2Gb / 8 = 250MB/S

@1TekTak 2 месяца назад

Thanks for catching that and breaking it down! You're absolutely right - there's a big difference between gigabits and gigabytes. Good call on the math too. Let's break it down: 2 Gb/s (gigabits per second) = 250 MB/s (megabytes per second) Really appreciate you pointing this out. It's important to be precise with these units, especially when talking about data transfer rates. I'll definitely be more careful about distinguishing between bits and bytes in future videos. Thanks for helping keep the info accurate and for sharing your knowledge!

@redpug5042 Месяц назад

@@1TekTak why do i feel like this is an AI response...

@stoojinator 2 месяца назад

HDD spins at 7200RPM Record spins at 331/3 RPM. That's over 200 time faster.

@1TekTak 2 месяца назад

You're absolutely right, and thanks for catching that! My math was way off in the video. Let's break it down: 7200 RPM / 33.33 RPM ≈ 216 times faster That's definitely way more than the "20 times faster" I mentioned. Good catch on the exact record speed too - 33 1/3 RPM. Really appreciate you pointing this out. It's important to keep the facts straight, and I clearly dropped the ball on that calculation. Thanks for helping improve the accuracy of the info!

@stoojinator 2 месяца назад

@@1TekTak No worries! Great video! And even for a 54 year old tech, I learnt a great deal from your video.

@exoticloop 2 месяца назад

Awesome video, excellent quality! Looking forward to what's next.

@1TekTak 2 месяца назад

Thanks so much! Really stoked you enjoyed the video and the quality. Got some cool stuff in the works, so stay tuned. Appreciate you watching and the awesome feedback!

@RetroJack Месяц назад

This video reminds me of when I was studying CompSci back in the '90s and the lecturer was still telling us about inter-block gaps on tape! Edit: I haven't used a mechanical HDD for years! 🤣

@1TekTak Месяц назад

Thanks for sharing that memory! It's wild how far storage tech has come since the '90s, right? From tape drives with inter-block gaps to today's SSDs - the evolution has been incredible. Funny how some of us still remember those old-school storage methods, while newer tech users might never have seen a mechanical HDD. Just shows how quickly things change in the tech world. Glad the video brought back those CompSci memories. And hey, congrats on fully embracing the SSD life! How's that been working out for you compared to the old mechanical drives?

@RetroJack Месяц назад

@@1TekTak As a gamer, the speed boost is fantastic!

@neko380 Месяц назад

Very approachable and friendly video style!

@chyldstudios 2 месяца назад

Really a wonderful video!

@1TekTak 2 месяца назад

Thanks! Stoked you enjoyed it. More cool stuff coming soon!

@Blikjuh 2 месяца назад

Mate i saw this recommended its such a good video i have subed and i know if you stay publishing video’s you will get at the 100 k subs oneday

@1TekTak 2 месяца назад

Thanks mate! Really stoked you found the video through recommendations and enjoyed it. Appreciate you subbing and the vote of confidence. 100k is the dream - gonna keep grinding and putting out content. Awesome supporters like you help make it happen!

@gamereditor59ner22 2 месяца назад

Awesome! Thank you!

@1TekTak 2 месяца назад

You're welcome! Glad you enjoyed it. Thanks for watching!

@Dari. 2 месяца назад

Thank you Mister tech talk

@1TekTak 2 месяца назад

You're welcome! Glad I could help out. Thanks for watching!

@sehvekah7368 2 месяца назад

Thanks for the MAMRies, even if they're not in RAID.

@1TekTak Месяц назад

Haha, nice one! Gotta love a good tech pun. MAMR (Microwave-Assisted Magnetic Recording) is definitely pushing HDD tech forward. And hey, who needs RAID when you've got memories this good? Thanks for the laugh and for checking out the video!

@farhanrejwan Месяц назад

4:03 - correction : it's 2 gigabits per second, not gigabytes. when converted to bytes, it roughly becomes 256 megabytes per second.

@1TekTak Месяц назад

Thanks for catching that! You're absolutely right. It's an important distinction: 2 Gb/s (gigabits per second) ≈ 250 MB/s (megabytes per second) Really appreciate you pointing this out. It's crucial to be precise with these units, especially when talking about data transfer rates. I'll definitely be more careful about distinguishing between bits and bytes in future videos. Thanks for helping keep the info accurate and for sharing your knowledge!

@farhanrejwan Месяц назад

@@1TekTak great! looking forward to them.

@philpots48 2 месяца назад

I worked on a small main frame computer, in the 80s, the 75mb hard drive cost $37,000 in 1980s dollars.

@1TekTak 2 месяца назад

Wow, that's a crazy piece of tech history! 75MB for $37,000 back then - that'd be worth even more in today's money. Really puts into perspective how far storage tech has come. We're getting terabytes now for a fraction of that cost. Thanks for sharing that personal experience - it's awesome to hear from someone who worked with those old-school systems. Really appreciate you adding that context!

@okaro6595 2 месяца назад

I bought my first hard disk in 1988. It was 834 € inflation adjusted (395 € nominal). The capacity was 30 MB.

@lowspecster9236 Месяц назад

Good explanation :)

@1TekTak Месяц назад

Thank you so much! I really appreciate your feedback. It motivates me to keep creating more content!

@jozsiolah1435 Месяц назад

The cache memory is programmed by the Windows. After hibernation the laptop retrieves the data from the hdd within 1 min 30 sec w a hdd at 4200 rpm. Copying 3 gb movie is slower than that. I played the copying game with a 64 gb micro sd card, it coud do only 7 mb /s, and it went up to 19 mb/s, that's the xc, A1. The non A1 could do 15 or 13 mb/s. To do it, it needs a lot of methodical copying of large files without a purpose. Mpg old 4:3 games are copied at 6 mb/s, mp4 new widescreen videos are copied at 19 mb/s.

@1TekTak Месяц назад

Wow, thanks for sharing all those detailed observations! You've really done some in-depth testing. Let's break it down: 1. That hibernation recovery speed is pretty impressive for a 4200 RPM drive. Windows is definitely optimizing that cache memory. 2. Interesting how the copy speeds vary so much between different file types and storage media. Those micro SD card speeds can be tricky - they often don't live up to their advertised speeds in real-world use. 3. The difference in copy speeds between old MPG files and newer MP4s is fascinating. Could be due to differences in file structure or compression. 4. Your methodical approach to testing is awesome. It's this kind of real-world testing that often reveals performance details you won't find in spec sheets. Really appreciate you sharing these insights. It's great to hear from someone who's done such thorough testing. Keep experimenting and sharing your findings!

@PersonManManManMan 2 месяца назад

Great video

@1TekTak Месяц назад

Thank you so much! Your support means a lot to me and keeps me motivated to create more content!

@kellymoses8566 2 месяца назад

AWS has said that big customers have S3 buckets spread over 1 MILLION hard drives!

@1TekTak 2 месяца назад

Whoa, that's mind-blowing! A million hard drives for one S3 bucket? AWS is operating on a whole other level. Thanks for sharing that info - it really puts the scale of cloud storage into perspective. Crazy to think about how much data that represents. Appreciate you dropping that knowledge!

@datmanflyliketeca 2 месяца назад

See you in trending in a few days!

@1TekTak 2 месяца назад

Yo, that's the dream! Thanks for the vote of confidence. Let's hope that prediction comes true! Gonna keep grinding and putting out content. Awesome supporters like you help make it happen. Fingers crossed for that trending page!

@Mitch2009 2 месяца назад

Subbed! Exceptional quality, well-explained - you'll be at 100K subs in no time!

@1TekTak 2 месяца назад

Wow, thanks so much! Really appreciate you subscribing and the awesome feedback. 100K is the dream - gonna keep pushing to make that happen. Viewers like you keep me motivated to create more quality content. Let's grow this thing together!

@HORNOMINATOR 2 месяца назад

looking forward on a video about flash drives

@1TekTak Месяц назад

Thanks for the suggestion! A video about flash drives sounds like a great idea. There's definitely a lot to cover there - from how they work to different types and uses. I'll add it to my list of potential topics. If you've got any specific aspects of flash drives you're curious about, let me know. It's always helpful to hear what viewers are interested in learning. Thanks for watching and for the input. Stay tuned - you might see that flash drive video coming up soon!

@marcuswilliams3455 Месяц назад

Wow, as amazing this HDD technology is, there is too much speculation on how these drives are losing to Solid State Drives (SSD). In that there are too many people are saying HDDs are becoming obsolete.

@1TekTak Месяц назад

You're making a great point there! While SSDs are definitely gaining ground, HDDs still have their place in the tech world. Here's my take: HDDs aren't going obsolete anytime soon. They're still king when it comes to high-capacity, cost-effective storage. For things like data centers, backups, and storing large media files, HDDs are hard to beat on price per terabyte. Sure, SSDs are faster and more durable, but HDDs keep improving too. We're seeing higher capacities and better reliability all the time. Plus, for a lot of everyday users, the speed difference isn't always noticeable. It's not really about one replacing the other - it's more about using the right tool for the job. Many systems now use a combo of SSD for the operating system and frequently used files, with HDD for bulk storage. Thanks for bringing this up! It's important to look at the bigger picture when we talk about storage tech. Both HDDs and SSDs have their strengths, and there's room for both in the market.

@tomikun8057 2 месяца назад

4:06 This doesn't sound accurate. Most HDDs only have speeds of 40mb/s on sequential read so that claim doesn't match what I observe

@1TekTak 2 месяца назад

Good catch! You're absolutely right - that 2GB/s figure is way off for HDDs. Typical HDDs are much slower, with speeds around 40-200MB/s for sequential reads, depending on the specific drive. Thanks for pointing this out - it's important to keep the info accurate. I'll make sure to double-check these numbers in future videos. Appreciate you sharing your knowledge!

@Michi-nw3md 2 месяца назад

Super Video !!

@1TekTak 2 месяца назад

Thanks! Stoked you enjoyed it!

@lideruploader6577 2 месяца назад

Awesome video. Congrats 🤩

@1TekTak 2 месяца назад

Thanks a lot! Really glad you enjoyed the video. Appreciate the congrats - still working on growing the channel, but awesome viewers like you keep me motivated. More cool content coming soon!

@aerospace8006 2 месяца назад

this is great

@1TekTak 2 месяца назад

Thanks! Glad you're enjoying it. More cool stuff coming soon!

@felosrg1266 2 месяца назад

Really cool video keep it up

@1TekTak 2 месяца назад

Thanks a ton! Really pumped you enjoyed the video. Gonna keep grinding and putting out more content. Appreciate the support!

@Hilqy 2 месяца назад

Fantastic video!

@1TekTak 2 месяца назад

Thanks! Glad you enjoyed it. More cool stuff coming soon!

@IanHorwill Месяц назад

Thanks for the video. Can you give a quick ref on the how the "parallel read" part works? Are there multiple heads on the tip of each arm? Can't see how that would scale to the large number you gave.

@smb1397 2 месяца назад

4:04 ... if it can record 2GB of data every second ... why do HDDs still have speeds like 100 Mb/s

@1TekTak 2 месяца назад

Good question! The 2GB/s mentioned is likely referring to the camera sensor's data capture rate, not HDD write speed. HDDs are much slower because they're mechanical - the read/write head has to physically move. That's why they typically top out around 100-200 MB/s for sequential operations. The bottleneck is in transferring that data to storage, not capturing it. Thanks for bringing that up - it's an important distinction!

@Bobby_Snoof 2 месяца назад

1:36 7200 RPM versus 33 RPM (or 45 and 78 RPM) : I don't think that's just 20 times faster!

@1TekTak 2 месяца назад

You're right, good catch! My math was off there. 7200 RPM is actually way more than 20 times faster than 33 RPM. Thanks for pointing that out - always good to keep the facts straight. Appreciate you paying attention to the details!

@Bobby_Snoof 2 месяца назад

@@1TekTak 😁

@A7mad3109 2 месяца назад

What the hell is a "new die me uhm" magnet 😭

@1TekTak 2 месяца назад

You're talking about "neodymium" magnets. They're super strong rare-earth magnets.

@A7mad3109 2 месяца назад

@@1TekTak I know what that is but you kinda pronounced it wrong.

@CrushedAsian255 Месяц назад

@@A7mad3109well if you know what it means, it’s not really a problem, is it?

@Jam_ie57 2 месяца назад

Great video although the way you said neodymium kinda hurt 😭

@1TekTak 2 месяца назад

Oof, my bad on that pronunciation! Thanks for catching it. Always trying to improve, so I'll definitely work on getting "neodymium" right next time. Appreciate you watching and the feedback!

@indignasmr7379 2 месяца назад

I'm glad I clicked on this

@1TekTak 2 месяца назад

Awesome! Really glad you took a chance on the video. Thanks for checking it out and letting me know you enjoyed it. Hope you stick around for more!

@brucemangy 2 месяца назад

i'm pretty sure it's a microcontroller not a microprocessor on the control board ...

@Cryostal 2 месяца назад

Your wrong

@brucemangy 2 месяца назад

@@Cryostal you're

@brucemangy 2 месяца назад

@@Cryostal it used to be a microcontroller, now this is so complex that i can understand why you believe it is a processor ... sounds very dedicated to a task tho ...

@ChristmasTvGames 2 месяца назад

how is this guy only 500 subs, Samsung say they are gonna be able to make 120terabyte disks

@1TekTak 2 месяца назад

Yo, thanks for the support! Yeah, still building that sub count. Crazy stuff about those 120TB disks Samsung's working on, right? Tech's moving fast. Appreciate you watching and sharing that info. Keep an eye out - maybe we'll cover those mega-disks in a future vid!

@GauravShaw-O 2 месяца назад

nice video u earned a sub

@1TekTak 2 месяца назад

Ayy, thanks for subbing! Really appreciate you checking out the video and joining the crew. More good stuff coming your way!

@tbraghavendran Месяц назад

Buddy, is this your only yt channel ? Or you have others?

@1TekTak Месяц назад

This is my first channel and I am about to launch another one soon

@zzco 2 месяца назад

neoDIMium- not neoDIMEium. :p Also, subbed!

@1TekTak 2 месяца назад

Thanks for the pronunciation correction! You're totally right - it's neoDIMium, not neoDIMEium. My bad on that one. Really appreciate you catching that and letting me know. And hey, thanks a ton for subscribing! That means a lot. I'll definitely work on getting those tricky tech terms right in future videos. Keep that feedback coming - it helps me improve!

@zzco 2 месяца назад

@@1TekTak happy to help out with enunciation! And love deep dives into topics like this!

@orion9590 2 месяца назад

Use metric

@1TekTak 2 месяца назад

Got it, thanks for the feedback. I'll keep that in mind and try to use metric units more in future videos. Appreciate you letting me know your preference!

@JGAMER_FOX6502 2 месяца назад

First comment

@1TekTak 2 месяца назад

Nice one! You're quick on the draw. Thanks for being first in and showing support!

@PersonManManManMan 2 месяца назад

(609)

@aaaaa5272 Месяц назад

Skip these annoying childish cartoon visualization!!

@1TekTak Месяц назад

Thanks for the feedback. I hear you - not everyone's a fan of the animated style. I'll keep that in mind for future videos. Always trying to find the right balance between engaging visuals and straightforward content. Appreciate you taking the time to share your thoughts!

@JGAMER_FOX6502 2 месяца назад

2№view!

@1TekTak 2 месяца назад

Early squad! Thanks for jumping on the video so quickly. Hope you enjoyed it!