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RAID Controller Card Recommendations

You want to protect the integrity of your data by going Raid-5 but you want to do it with a $20 raid card?

I wouldn't trust my bits to make it across the PCB traces on such a cheaply built card without getting corrupted on its way. Let alone the kind of Raid-5 performance you are going to get for $20.

It's not even within the right order of magnitude to be reasonable. Even a $200 raid-5 card is questionable, very low-end.

I would trust raid-5 on an Intel integrate ICHR-10 chipset on a well-built $200 mobo, but I'd expect the performance to be pretty paltry.

But a discreet raid card, sub-$200, for Raid-5? You are brave, very very brave.
 
Any RAID cards at that price point are guaranteed to use host-based controllers. That means all parity calculations for RAID-5 will be offloaded to the CPU - and a Pentium 4 isn't going to handle that very well. You'd do just as well to use onboard RAID-5 or software RAID in Windows.

Also, the Syba card you linked to doesn't even support RAID-5.
 
What is this server going to be used for? I definitely agree with the above about cheap RAID 5 controllers, but if you need redundancy for a file server, look to Windows Home Server or a linux variant file server.
 
The WD Green Power Dives have issues when used in a RAID configuration, they land the heads way too much, which kills them fast.
 
I know this is getting higher in price, a lot higher, than you originally envisioned but the cheapest newegg raid-card with raid-5 support and dedicated hardware for processing the data is this Areca card for $280 shipped.

http://www.newegg.com/Product/...x?Item=N82E16816131003

edit: I should not have said the cheapest...there's probably cheaper cards at newegg that meet these specifications but I could not find one from a quick look thru that I did. Others may know of one that is cheaper for you.
 
DELL PERC 5i (basically a LSI 8480E, except it's internal)with battery sold on eBay is a very good choice (~$120). You need a motherboard with 8x PCIE slot, however.

http://www.overclock.net/hard-...-i-raid-card-tips.html

You need to cover pin 5, 6 if you use P35 chipset based moherboard, and have a fan blowing on the controller directly. I used PCI slot fan.

RAID 1 performance almost double of Intel MATRIX.
 
My lab's fileserver from pogo linux uses a 16-port 3ware (9650SE-16ML). I've been happy with it, and have read great things. I've also heard good things about Areca.
 
and if 2 years from now that LSI card fails, good luck on securing an identical model replacement to get your data back. (via a method unique to that card maker)

OS level raid is migratable between different hardware configuration as long as you still have the drives.
 
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