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Adaptec RAID 5805Z PCI-E x8 SATA/SAS RAID Controller

By: Chris Ramseyer | RAID/HBA in Storage | Posted: Feb 10, 2010 4:05 am
TweakTown Rating: 92%Manufacturer: Adaptec/a>

Specifications, Availability and Pricing




When it comes to the software, Adaptec has you covered with drivers for most operating systems including some of the more obscure ones. One that Adaptec has always excelled is with their management software that gives the users complete control over the adapter. The software is called Adaptec Storage Manager and it is one of the best in the business.


As far as the 5805Z hardware goes, the controller itself has been around for a couple of years now and has been considered one of the best available while at the same time delivering some of the highest performance numbers in review after review.


What makes the 5805Z fresh is the new cache protection system that uses an array of capacitors instead of an expensive battery that would otherwise need to be replaced every year. The new system is called Zero-Maintenance Cache Protection.


Over a five year period you would have to replace a standard battery four times. With a typical battery costing 150 USD (and that is on the low side), that means you will spend 600 USD after your initial purchase and raise your total cost of ownership. Add in the cost of sending a technician four times to the server closet and the hassle of downtime and you can start to see the value offered by the Z-Series.


The rest of the hardware that makes up the 5805Z is just as impressive, but has a few drawbacks when compared to newer product that takes advantage of the latest and greatest in storage technology. The 1.2 GHz dual core RAID on Chip (ROC) controller may be hitting middle age in computer years, but it is still one of the fastest offered today. The 512 MB cache is also a nice touch, but it is onboard and not user replaceable or upgradable.


The last piece of technology that the 5805Z holds onto that other companies are starting to move away from is PCIe 1.0. The 5805Z uses eight PCIe 1.0 lanes while the new LSI and Intel RAID controllers are already using PCIe 2.0 technology. We will see how this plays out today when we put the 5805Z up against the LSI 9260-8I, head to head style.


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