This is an old revision of the document!
http://www.lsi.com/channel/products/storagesw/Pages/MegaRAIDCacheCadeSoftware2-0.aspx
http://www.networkcomputing.com/servers-storage/lsi-ssd-caching-software-20-the-write-st/231300520
License Key Software Pack - LSI00290 - $270
Supermicro Software Key - AOC-CHCD-PRO2-SWR
Note that not all have alarm buzzer.
SAS PCIe x8
http://www.tomshardware.com/reviews/sas-6gb-raid-controller,3028-2.html
4i
http://www.newegg.com/Product/Product.aspx?Item=N82E16816118106
http://www.newegg.com/Product/Product.aspx?Item=N82E16816116109
http://www.newegg.com/Product/Product.aspx?Item=N82E16816103224
8i
Fastest, costliest and best for SSD:
http://www.newegg.com/Product/Product.aspx?Item=N82E16816118159
Notable mentions for less money:
http://www.newegg.com/Product/Product.aspx?Item=N82E16816116107
http://www.newegg.com/Product/Product.aspx?Item=N82E16816103222
http://www.newegg.com/Product/Product.aspx?Item=N82E16816118105
No Buzzer
Like LSI 9261-8i, but cheaper:
Supermicro AOC-SAS2LP-H8iR (no link available)
http://www.newegg.com/Product/Product.aspx?Item=N82E16816118132
UIO
Great card, great price, no buzzer:
http://www.supermicro.com/products/accessories/addon/AOC-USAS2LP-H8iR.cfm
CBL-0288L
CBL-0278L
CBL-0294L
CBL-0188L
2247100-R