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Question about sff vs lff chassis

 
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zdawg
Occasional Contributor

Question about sff vs lff chassis

Specifically I was asked about the DL380p Gen8 8-LFF chassis vs. the DL380p Gen8 8-SFF chassis.  I know that the lff = large form factor hard dri ve cage, and sff = small form factor but what are the advanatages/disadvantages of each?

 

Is it simply that with a sff cage you have room for more drives?  Or is it more complicated than that, as I assum the servers themselves are the same size.  

 

Thanks

3 REPLIES
Marko71
Frequent Advisor
Solution

Re: Question about sff vs lff chassis

Hi,

 

It literally is about how many drives each one can store.  

 

LLF means youcan utilise the capacity & cost gains that large form factor SAS/SATA offers & SFF means you can get more performance as you have more avilable spindles.

 

Thats really about it

 

Hope this helps

zdawg
Occasional Contributor

Re: Question about sff vs lff chassis

Thanks!

anthony11
Regular Advisor

Re: Question about sff vs lff chassis

Also, look into the CTO chassis that haven't been promoted much. By ditching the [useless] optical drive you can get 10SFF DL360p G8 and 25SFF DL380p G8. Way better than only being able to put 8 disks in an HBA RAID volume, especially when using triplex mirroring.

There are also 4LFF and 12LFF models respectively, for those who like the larger disks.