Microdrives.

Don't ask me to explain it but I have three MDs varying in age from 1 to 3 years and they have never failed. During the same time period I have had two CF cards fail !

BTW - many CF card manufacturers have "lifetime" warranties but they surely do not like honouring them when their products fail - you really have to persevere to get a replacement out of them.

-JohnK.
 
I could be wrong, but as far as I can understand the technology, microdrives are magnetic based like normal hard disk's and therefore can be corupted if in the same pocket or bag as a ringing cellphone by the microwaves from the cellphone damaging the magnetic property of the microdrive. Unfortunatly I do not own a microdrive otherwise I could test the theory. Any person with some experience?
 
Yes, I know people drop and break MD's.......

But I have 4 2gb Hitachi MD's. Cards go from camera, to laptop, back to camera. No falls, no breaks. While I've had CF problems, I've never had a MD problem. Normal weekend consists of around 4,000 images being taken with 4 cards.

Of course this is like the Pepsi vs Coke argument, but that's my 2 cents.
 
I've used a microdrive for a couple of years or so without a
problem, but I'm told the power drain is more for a microdrive. If
this is so, this would point to a solid state card.

Can anyone confirm this?
I used to shoot soley with IBM Microdrives in my S1 & S2.

I would go through about 4 sets of NiMH AA's (that's 16 total) while at weddings but then I switched to Sandisk Ultra IIs and Now I only have to change batteries before the first dance.

Spinning platters take a lot of power...

I never had a problem with the MDs untill my two-yr old got a hold of one and was throwing it around our unfinsihed basement - that killed it totally.

But I had a MD that came with my S1 (that drive was about 5yrs old) and dropped it many times at weddings (onl church floors etc.) and like a timex watch - took a licking and kept on ticking.

But for the record - I prefer the CF cards now. Much faster write speeds and low power consumption...

my 2 pennies.. JOhn
 
I've got a 4gb Hitachi that I took from a Muvo a couple years back
and it still works fine even though I have dropped it a few times
from waist level to hard floor, including once on some stairs where
it tumbled two or three steps. Works fine.
I disagree with those who would depend on it (or any single card)
as the only storage for a session - I think one day the odds will
catch up to them. I like to use multiple cards to be safe. I use
the md and a couple of 1gb SanDisks. Plus, when I fill one, I
download it to my 20gb storage device (without deleting the card
till I download it again at home)

--
http://www.pbase.com/mngatorguy
Amen! That's what I do too.

I used to shoot everything in jpeg and it was all on one card - Yikes!

Then the inevitable happened and I lost some files do to my own negligence.

Now I have 6 1GB CF cards that I use at my weddings/events. When I fill one up it gets loaded into my laptop and then placed in the "exposed" pouch so I don't use it again. Once I am done with an event I don't leave until I have burned backup DVDs of the files. This way I have those files on 3 types of media. I then re-download from the cards when I get to the home-office and guess what I do then - yup, I burn another set of DVD's. I can't afford to lose another set of images...
 
see my other posts about theory vs implementation. without
something more analytical than "i think air cushions and moving
parts are bad" i can't add much to that conversation.

as a high volume user, i can confirm CF failure rates are not as
much lower than MD as many people like to believe. one final time:
for high volume storage needs, MD $ performance exceeds CF...dav
--
don't wait for technology -- it won't wait for you
What other posts about theory vs implementation? You are trying to school me on 'something more analytical than', and say nothing contrary to my 'analytical' response. I gave numbers. [shrug] How more analytical can you be other than dropping scientific journal reviews?

You can't confirm anything except your experience, and that has to be taken with a grain of salt, so a 'one final time' response doesn't mean much.

I've had microdrives fail on me before, I've never had a problem with CF, or SD cards, or anything solid state. Short of crush damage or a voltage spike, I have nothing to worry about.

Yes, dollar per MB, a microdrive is cheaper. Post a comparison of failure rates with a cite for verification.

one final time... cracks me up. hahaha.
 
Started out with the Microdrives and never had a problem with them.

I prefer the Lexar or Sandisk CF cards as the read / write speed is much faster.

If you need / want speed go for the CF cards. If the $$$$ is more of a concern go for the Microdrives.

J
--
If I wake up breathing it's going to be a great day.
 
My experience:

I got a couple of IBM 1GB microdrives a few years back. I have never had any problem with them and they work fine. Since then the price of CF cards have dropped so much that it was easy to get a few 1GB cards of those (Lexar and SD Ultra II). I still have the MD's in my bag but they are basically for backup only (if I were to need huge capacity at a shoot).
--
Frits
 
puhlease. leather seat cushions? give me a break. i've dropped
mine to concrete multiple times -- including breaking off pieces of
plastic -- and they still work fine. anecdotes are just that,
anecdotes.

double PUHLEASE. CF is better than MD because solid state is
always better than moving parts? every 5th grader knows that,
right? the problem with this theory is it ignores the realities of
engineering and manufacturing processes. high volume users can
tell you MDs fail at only slightly higher rates than CF. theories
are just that, theories. poor mfg process can make hay of
perfectly good theories.

the bottom line: for high volume, the cost/gb of MDs can't be beat.
for medium and low volume, CF is a better choice. ...dav
--
don't wait for technology -- it won't wait for you
I guess that's your attitude towards this? I know ultimately we can only go with our own personal experience but when people universally report an issue then are they all wrong leaving you right?

I've been using CF cards for years. Never had one fail or cause me to lose an image. I've had one MD and it proved so unreliable that it now gathers dust on a shelf. Keep in mind that it has never been dropped and it still cost me images.
--

Fit for release from a mental institution but banned from the 3-0-0-D forum since 6-2005.

Favorite quote, 'Many people simply have the tools necessary to get the job done. Some have more than what's necessary.' Todd/ tao.design
 
i've posted on this topic many times over the years.

in my work we use thousands of portable devices with CF-format storage. roughly 6500 cards purchased over the past 3 years. we've used a mix of MD & CF and our experience is MD fails about 8% more often.

the DOA / early failure rates for both technologies are significantly higher than the working failure rates.

my interpretation of our experience: reliability concerns of MD are a non-issue. the decision should be made on other variables: primarily speed and $ mb.

anecdotes are anecdotes. no intent has been made to make this a controlled experiment. YMMV...dav
--
don't wait for technology -- it won't wait for you
 
Can someone explain me ...?
I'll try...
If MD's are so fragile, how come they are used in millions of MP3
players which get dragged, jogged, hiked, flewn, canoed ? etc...
all over the world

Or are people more carefull with an mp3 player than a DSLR ? Surely
not I would think ...
Well, one doesn't have to remove the MD from the MP3 player. And when dropped, the player takes most of the shock. Chances are if you drop your DSLR with the microdrive inside, the microdrive will survive.

Jörg
 
%50 failure rate out of the 8 we had.
I've been using 2 1GB cards for over three years now with no failures and have been using a 3rd for about a year now. No failures. So from my experience I would recommend them (half the priced of CF) but obviously from your experience you would not. I wouldn't either if I had your track record.
 
I could be wrong, but as far as I can understand the technology,
microdrives are magnetic based like normal hard disk's and
therefore can be corupted if in the same pocket or bag as a ringing
cellphone by the microwaves from the cellphone damaging the
magnetic property of the microdrive.
I'm not sure this is true...

A microdive can be damaged by a magnetic field though, but same goes for a CF card. For microdrives to be damaged by microwaves, I think more powerfull microwaves than those emitted by cellphones are needed (i.e. a microwave oven :-D).

And to prove my point:
http://www.hgst.com/hdd/micro/soltns/mobilephones.htm

There are phones with embedded microdrives.
Unfortunatly I do not own a
microdrive otherwise I could test the theory. Any person with some
experience?
Well, I own a microdrive and a phone, but I haven't tested it yet...

Jörg
 

Keyboard shortcuts

Back
Top