Skip to main content

Questions tagged [mtbf]

Mean Time Between Failures (MTBF) is the estimated time between failures of a device and is used to help predict its lifespan.

2 votes
1 answer
248 views

mean time before failure is given, but variance is missing

I have 8TB HDD WD Gold. Here they claim 2M MTBF (mean time before failure) hours. What is the statistical variance (estimated at least) of this data ?
user865044's user avatar
4 votes
2 answers
2k views

Is Mean Time Between Failures (MTBF) a measure of life expectancy?

Does anyone know if MTBF (Meantime Between Failures) can be used to determine when a piece of computer hardware (CPU cooler, power supply, case fans, etc) will fail, thus requiring replacement? Or is ...
karanza's user avatar
  • 77
8 votes
2 answers
22k views

ssd 2 million hour mtbf? how is this proven?

How can this ssd (corsair) have a mean time before failure of 2000000 hours? last time I checked that was in the hundreds of years... From experience even with Computers that don't receive constant ...
user avatar
0 votes
1 answer
367 views

SSD drives lifetime [closed]

Some years ago when I was looking to buy an SSD drive, I remember reading about how SSD drives had low lifetime with frequent read/writes, so I backed off. Now I see this in Specifications: http://...
g7k's user avatar
  • 121
2 votes
2 answers
3k views

Data safety: How error-prone are SSDs compared to HDDs

I recently bought an SSD (http://www.samsung.com/de/consumer/m/MZ-7TE250KW). When I tell this to other people, I always get warnings in reply: "SSDs highly error-prone. save your data on a magnetic ...
Sven's user avatar
  • 227
1 vote
2 answers
9k views

Laptop HDD vs Desktop HDD

Recently my desktop HDD failed and I am considering replacing it with two laptop HDDs, 7200rpm, 16mb buffer in RAID 1. I am not able to find anything relevant in regard to MTBF or performance for ...
w00t's user avatar
  • 123
11 votes
3 answers
1k views

Do SSD's really last 285 years? [closed]

Some Sold State Disks (SSD) have a mean time between failures (MTBF) of 2,500,000 hours. If you divide that by the rough number of hours in a year you get 2500000÷(365×24) ~= 285 years before there is ...
Xeoncross's user avatar
  • 4,662
12 votes
2 answers
1k views

How is SSD lifetime affected by usage pattern and amount of free space?

It is known that SSDs are relatively very limited in the number of writes they can take before starting to slow down or otherwise deteriorate. Suppose I have a 250GB SSD with 225GB of files which are ...
GJ.'s user avatar
  • 9,893
14 votes
6 answers
7k views

Are SSD's really reliable enough for power users? [closed]

TL;DR (though please read my full experience before jumping in with a quick answer.) A power user performs a certain amount of write cycles. Does an MLC SSD drive support enough write cycles to last ...
JL.'s user avatar
  • 5,788