Promise SATA300 TX4 - 2 port Promise FastTrak TX2300 - 4 port

http://www.supermicro.com/products/accessories/addon/AOC-SASLP-MV8.cfm

Supermicro AOC-USAS2LP-H8iR:

• Great price
• Low Profile
• No audible alerts
• Like LSI 9261-8i but UIO
• BTR-0018L-0000-LSI (LSI00161 IBBU07) Battery Backup

http://www.supermicro.com/products/accessories/addon/AOC-USAS2LP-H8iR.cfm

http://www.servethehome.com/ibm-m1015-part-1-started-lsi-92208i/

IBM M1015

• OEM of LSI 9220-8i

LSI SAS 9207-4i/8i/8e/4i4e

• SAS2308 processor
• PCIe 3.0
• Comes with IT (JBOD) firmware
• Available IR (RAID) firmware
  • RAID 0, 1, 10, and 10E
• Cost-effective

http://www.lsi.com/channel/products/storagecomponents/Pages/LSISAS9207-4i4e.aspx

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&N=100006519&isNodeId=1&Description=9207-&x=0&y=0

LSI 9211-8i:

• software RAID (RAIDZ)
• needs cooling
• IT Firmware
• 6Gbps SAS2
• Low Profile

http://www.newegg.com/Product/Product.aspx?Item=N82E16816118112

3Ware 9750-4i:

• SAS2
• 512MB
• Low Profile

http://www.newegg.com/Product/Product.aspx?Item=N82E16816116109

LSI 9260-4i:

• Forward connector location

http://www.newegg.com/Product/Product.aspx?Item=N82E16816118106

Supermicro AOC-SAS2LP-H8iR:

• 8 ports (2x SFF-8087)
• Low profile
• Forward connector location (needs longer cables)
• Has buzzer for audible alerts
• Lower cost than LSI version
• BTR-0018L-0000-LSI (LSI00161 IBBU07) Battery Backup

http://www.cdw.com/shop/products/Supermicro-Add-on-Card-AOC-SAS2LP-H8IR-storage-controller-SAS-2-PCI-E/2328208.aspx

LSI 9261-8i:

• Great connector location
• Low Profile
• Best choice for 1U
• No audible alerts?

http://www.newegg.com/Product/Product.aspx?Item=N82E16816118132

9265-8i:

• Latest and greatest
• 6Gb/s
• Low Profile
• Dual-Core 2208 ROC
• 1GB cache
• DDR3/1333

http://md-storage-data.com/channel/news/review/2011_04_28.html

http://www.newegg.com/Product/Product.aspx?Item=N82E16816118159