I know this a a joke but in case some people are actually curious: The manufacturer gives the capacity in Terabytes (= 1 Trillion Bytes) and the operating system probably shows it in Tebibytes (1024^4 Bytes ≈ 1.1 Trillion Bytes). So 2 Terabytes are two trillion bytes which is approximately 1.82 Tebibytes
You’re missing a huge part of the reason why the term ‘tebibytes’ even exists.
Back in the 90s, when USB sticks were just coming out, a megabyte was still 1024 kilobytes. Companies saw the market get saturated with drives but they were still expensive and we hadn’t fully figured out how to miniaturize them.
So some CEO got the bright idea of changing the definition of a “megabyte” to mean 1000. That way they could say that their drive had more megabytes than their competitors. “It’s just 24 kilobytes. Who’s going to notice?”
Nerds.
They stormed various boards to complain but because the average user didn’t care, sales went through the roof and soon the entire storage industry changed. Shortly after that, they started cutting costs to actually make smaller sized drives but calling them by their original size, ie. 64MB* (64 MB is 64000).
The people who actually cared had to invent the term “mebibyte” purely because of some CEO wanting to make money. And today we have a standard that only serves to confuse people who actually care that their 2TB is actually 2048 GiB or 1.8 TiB.
Dude, a “1.44MB” floppy disk was 1.38MiB once formatted (1,474,560 B raw). It’s been going on for eternity.
It’s inconsistent across time though. 700MB on a CD-R was MiB, but a 4.7GB DVD was not.
RAM has always, without exception, been reported in 1024 B per KB. Inversely, network bandwidth has been 1000 B per KB for every application since the dialup days (and prior).
One thing to point out, The floppy thing isn’t due to formatting, the units themselves were screwed up: It’s not 1.44 million bytes or 1.44 MiB regardless of formatting - they are 1440 kiB! (Which produces the raw size you gave) which is about 1.406 MiB unformatted.
The reason is because they were doubled from 720 kiB disks*, and the largest standard 5¼ inch disks (“1.2 MB”) were doubled from 600 kiB*. I guess it seemed easier or less confusing to the users then double 600k becoming 1.17M.
(* Those smaller sizes were themselves already doubled from earlier sizes. The “1.44 MB” ones are “Double sided double density”)
That’s just wrong. “Kilo” is ancient Greek for “thousand”. It always meant 1000. Because bytes are grouped on powers of two and because of the pure coincidence that 10^3 (1000) is almost the same size as 2^10 (1024) people colloquially said kilobyte when they meant 1024 bytes, but that was always wrong.
Update: To make it even clearer. Try to think what historical would have happened if instead of binary, most computers would use ternary. Nobody would even think about reusing kilo for 3^6 (=729) or 3^7 (=2187) because they are not even close.
Resuing well established prefixes like kilo was always a stupid idea.
Or - you know - for consistency? In physics kilo, mega etc. are always 10^(3n), but then for some bizarre reason, unit of information uses the same prefixes, but as 2^(10n).
Depends on the OS. For some reason MacOS uses Base 10.
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The result of marketing pushing base 10 numbers on an archiecture that is base 2. Fundamentally is caused by the difference of 10³ (1000) vs 2¹⁰ (1024).
Actual storage size of what you will buy is Amount = initial size * (1000/1024)^n where n is the power of 10^n for the magnitude (e.g kilo = 3, mega = 6, giga = 9, tera = 12)
Fact: This truth is intentionally manipulation.
OP is right with an applicable staturing the pic.
Solution: Sue the fuck out of all of them. Especially Samsung. Fuck Samsung everything.
its correct, the final size you see in the OS is not kilo/giga/terabytes but kibi/gibi/tebibytes. the problem is less of the drive and more of how the OS displays the value. the OS CHOOSES to display it in base 2, but drives are sold in base 10, and what is given is actually correct. Windows, being the most used one, is the most guilty of starting the trend of naming what should be kibi/gibi/tebibytes as kilo/giga/terabytes. Essentially, 2 Tera Bytes ~= 1.82 Tebibytes. many OS’ display the latter but use the former naming
Base 2 based displays and calling them kilobytes date back to the 1960s. Way before the byte was standardised to be eight bits (and according to network engineers it still isn’t you still see new RFCs using “octet”).
Granted though harddisks seem to have been base-10 based from the very beginning, with the IBM 350 storing five million 6-bit bytes. Window’s history isn’t in that kind of hardware though but CP/M and DOS, and
dirdisplayed in base 2 from the beginning (page 10):Displays the filename and size in kilobytes (1024 bytes).
Then, speaking of operating systems with actual harddrive support: In Unix
ls -lhseems to be universally base-2 based (GNU has--sito switch which I think noone ever uses).-h(and-k) are non-standard, you won’t find them in POSIX (default is to print raw number of bytes, no units).Technically correct with numbers is the only way to ever be correct, let alone right.
Also minus metadata overhead.
Yup, damn formatting also gonna take a chunk
This is intentional, they could offer proper TiB storage but Apple started doing this decades ago just to shave pennies and now it’s caught on
Image Transcription: Meme
I bought a new 2Tb SSD but it shows up as 1.8TB SSD
[An image of a classical art piece. The man in the image is wearing a hat and has a peculiar facial expression. One of his arms is on a table, palm facing up. The other arm is in the air, with the pointer finger touching the palm. Near that hand is the caption “Where’s my 0.2TB”]
This was surprisingly hard to describe
But you did awesome!
I was impressed, until I realised a person typed it. I’m still impressed, just not as much as I was before lol.
Instead of that we should protest against si k should be K
- B
- kB < — Imposter
- MB
- GB
- TB
- PB
(Since this is SI it’s powers of 10^3 not 2^10 when going one level up)
Big K is Kelvins (temperature), so the multiplier had to be little k
How unfortunate However, KiB
Wait until you find out about Calories vs calories
and
μshould beumaybe… why throw in a random non-latin character? is it for the sake of anti-anglocentrism?Can’t tell if this is sarcasm (I’ve been on the internet too much today sorry) but just in case the Greek μ (mu) stands for “micro” since ‘m’ is already used for “milli”
yeah, i get that, but many people just use
ubecause its more accessible (ascii and qwerty compatible), similar to writingμBittorrentasuBittorrent. imo i dont think its too big of a deal if it doesnt match the wordmicro, sinceμis already a bit of a stretch. this is just my opinion, im not advocating for a SI reform or anything :)μ is not a stretch at all, it’s literally the first character of the word micro. (Mu, iota, kappa, rho, omega). Similar to how other scientific words are derived from their original language.
It doesn’t matter, most people will understand you if you write um instead of μm, because it isn’t ambiguous.
I’d be thrilled if the SSD I bought ended up being almost 8x larger than advertised! Does beg the question of why you’re buying 250GB SSDs in 2023 but I’m not here to judge.
Funnily enough, the meme still works. They wanted 0.2 TB, goddammit, not some hugely oversized 1.8 TB hard drive.
even 32 gigs would be good enough for a cheap laptop running non shit OS unless you want to store any bigger data or play games.
250gb ssd could be used as a boot drive while you use a hdd to store your files
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Same here 256gb ssd owner ill prefer to get something a little bit bigger but I also have a secondary hdd though to store all my files on which makes everything all good
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That’s for the magic numbers that hold the 1.8 TB together. They live in that 0.2 TB and if you kill them then the 1.8 TB fly apart at the speed of light.
That metaphor is . . . not entirely wrong.
Actually it’s is because firmware is tiny
It’s 2 TB, not 2 TiB. One is to the base of 10, the other to the base of 2.
Taxes
government filling up a secret section of every factory-fresh hard drive with CSM and terrorist material in case they ever want to lock you away
yes officer thats what happened
Imagine buying 14TB and find out that it is 12TB instead.
I’ve always known the advertised space is larger than the actual space, but it was never quite the shock as it was when I recently bought an 18TB external drive with ~16 TB usable.
18 “TB” with ~16 TiB usable 😞 they scammed us so hard they renamed TB and GB
It was so during the age of floppy discs. Our computers use TiB, marketers use TB to sell storage
The biggest problem is that Windows still calls TiB and friends with si prefixes (so 1TiB shows as 1TB). MS has done this since DOS (but at least back then MiB didn’t exist. They could’ve used base 10 though).
TiB (and the related) didn’t get named until recently, and I think only Linux uses those abbreviations — and not universally — windows still says kB, mB etc, while using the binary equivalents
“recently”, they are the standard for almost 25 years now.
A 14 TB medium is always 14 TB, which is close to 12 TiB. Minus metadata of the filesystem and granularity of a allocation sector.
The issue is in your software that displays the capacity (most likely windows).
You bought 2 TB SSD. You got 2 TB SSD. This is equivalent to 1.8 TiB (think of it like yards and meter). Windows shows you the capacity in TiB, but writes TB next to it.
Say you buy a 2.18 yard stick. You get a 2.2 yard stick, which is equivalent to 2 meter. Windows will tell you it’s 2 yards long. Why? I don’t know.
Is this like one is 1.000 and one is 1.024 (=2^10)?
Base 10 vs base 2
yes
Yah this bugs me so much!! On top of that how dare system OS take up so much space?
I just delete that so there’s more room for my stuff.
I need more space for memes. This bulky System32 folder is in the way.
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I don’t even remember that N64 game! What’s it doing on my PC?
I don’t know why I need 1 system, let alone 32 of them.
Yeah you can also just download more storage. I do it all the time.
Debian Linux with no desktop is like 3gb, if you’re interested.
I for one am getting tired of the Linux circle jerk.
Does Linux have its merits. Heck yeah.
Do I have time as a professional working all day to run and mess with Linux. Heck no.
It’s not that I’m a Luddite, I’m a software developer. And the last thing I want is to configure Linux. Sure it’s easier now, but I’m a nerd and the second i install it imma want to do it right and well there goes my weekends.
Then who is going to tend to my Factorio factory.
in small print 2TiB*
From wikipedia:
More than one system exists to define unit multiples based on the byte. Some systems are based on powers of 10, following the International System of Units (SI), which defines for example the prefix kilo as 1000 (103); other systems are based on powers of 2.
Your system calculates 1 terabyte as 1 tebibyte which is 2^40 bytes=1,099,511,627,776 bytes and the hardware manufacturers calculate 1 terabyte as 1 terabyte which is 10^12=1,000,000,000,000 bytes. That is where the discrepancy is.
200 GB thats nearly CoD Warzone
Which is nothing compared to what ARC survival wants. Games are ridiculous these days. I’m not giving up 1/10th of my storage for a fucking game.
It’s the same way with lumber lol
A 2x4 is in fact not 2"x4"
Wait, what?
Yeah a typical 2x4 is actually 1.5"x3.5"
2x4 is (supposedly. I bet they have optimized this down too) the size of raw lumber before it was finished, that needs to remove some material off each side.
They’ve been doing this for literally centuries.
I think it started out with a rare case of honest advertising. So for example 720K floppies were advertised as 720K. But then some
lying bastardclever marketer decided to start advertising their 720K floppies as 1MB floppies, sometimes but not always marked “unformatted capacity”.And of course this had the desired effect of making people buy their disks instead of the honestly marketed ones, because people didn’t read the small print and thought they were getting more storage, which was important before CDs were a thing and software distributions were starting to need multiple disks. So everyone had to start doing it.
This is as far back as my memory of the practice goes, so it may have started before 720K floppies were mainstream, but that’s why disk manufacturers now advertise the unformatted capacity of their drives instead of the formatted, aka usable, capacity.
they’ve been doing this for literally centuries
So it’s Friday December the fifth, 80 AD, 5:30pm, and Mozes is hacking away on his clay tables to nail down the final tally of this week’s adminstration of the amount of cows his boss owns and he goes "Mother fucker! These romans again ripped me off, sold me a clay tablet that only allows me to count to 720 cows, not the 751 I got! FUCK! Now I need another tablet and start tallying from the beginning, you mother fuckers!
They’ve been doing this for literally centuries.
*Proceeds to talk about floppy disks
How long do you think digital computers have been around?
They’ve existed in at least two centuries
Hush! Don’t point it out! Lure him into a corner and steal his time machine!
For centuries. Justification: Jesus was dead for three days: from Friday afternoon (3pm?), day 1, through Saturday, day 2, and into Sunday early morning (6am?), day 3. Total elapsed time 39 hours. Digital computers were around last century (19xx) and this century (20xx), which is two centuries by the same logic. Also two millenia, but I find “centuries” a more satisfying word. Colossus went into operation in 1943, so that’s 80 years elapsed time.
Fails to recognize exaggeration, thinks they’re clever.
Fails to aggerate, fails to be taken seriously
