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Adaptec Series 7 Enterprise RAID Controllers with PCIe 3.0 Preview

By: Paul Alcorn | RAID/HBA in IT/Datacenter | Posted: Sep 5, 2012 9:00 pm
Manufacturer: Adaptec by PMC

Full Height Cards and AFM-700




The full height 72405 allows all 24 ports to be brought to bear in direct attach, without the use of an expander. It is of note that even though these are full height, they are still only half-length, keeping the footprint as low as possible for deployment.




This graphic details the connection schemes and form factors for the entire product family.




The AFM-700 is a Supercap with attached NAND. This will flush all cached data to the onboard NAND in the event of a power loss.


There are a few new features worthy of note with these Supercaps, one being an attached temperature monitor. This will allow the administrator to monitor the temperature of the capacitors and the environment of the RAID controller, remotely.


These Supercaps are rated for a five year lifespan at high temperatures and the lifespan can be even higher in lower temperatures. An important new feature is the ability for a full measure of the NAND and Supercap health without discharging. Many competing solutions require full power discharge to determine the remaining life. This requires the DRAM caching to be taken off-line for extended periods of time during the process. This can lead to interruptions in the speed of service. Adaptec looks to avoid interruptions with this new technique.

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