Error-correcting code, as in a type of memory that can correct single-bit errors. ECC memory is typically found on servers and workstations, where maximum reliability is required.

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21
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4answers
3k views

Is there a certain or measurable advantage to using ECC RAM in a desktop PC?

I fuss a lot over building stable machines -- in that I absolutely hate crashes, reboots, funny behaviour, etc. -- and so error-correcting a.k.a. ECC RAM would seem to solve a big problem: memory ...
7
votes
3answers
26k views

Can I use non-ECC memory in a machine that already has some DDR2 ECC memory?

I have a developer workstation that has registered DDR2 ECC DIMMs already installed. I'm planning on getting some more RAM. Can I add memory modules that aren't ECC and/or registered? I mean, does the ...
6
votes
2answers
12k views

ECC registered vs ECC unbuffered

I would like to build a storage server (based on GNU/Linux or FreeBSD) which will be on all the time. To prevent data corruption (which is unlikely to happen as I never had such a problem, but better ...
1
vote
1answer
986 views

ECC ram in non-ECC motherboard

We want to create a computer with i7-2600k (Z68 chipset) and 32 GB ram. After some googling we found out that this can only be done with 4x8GB modules. We can choose from: Samsung nonECC A-DATA ...
3
votes
2answers
4k views

Can I use Unbuffered ECC memory with a non-ECC CPU?

I recently purchased the Supermicro X9SCL-F with a Core i5-3350P. I realize that the 3350P does not support ECC, and the motherboard requires unbuffered ECC memory. I do not need ECC. Will unbuffered ...
3
votes
2answers
290 views

How frequent are DRAM errors?

How frequent are DRAM errors? How significant a factor is heat? Is it worth investing in ECC RAM?
1
vote
1answer
3k views

Upgrading memory on the mac - how to solve problems that may arise

The info I could find from Apple about this, helps nothing and Apple Brazil doesn't sell memory (despite being at least 3x more expensive than regular Apple) so I don't know how to buy official ...
1
vote
1answer
637 views

ECC errors, no Mem Test Errors

I recently purchased an HP XW6400 workstation (Dual CPU, Quad memory channels) Along with the computer I purchased 2 sticks of RAM that are the same brand and look, but not matching (numbers and ...