I found this on Ebay (Canada), picture shows four units (not sure if 4 x 100GB or 400GB each unit, Sata 2 drives. US$270 OBO
✿ NEW 400GB Enterprise SSD Sata Micron P400M Dell HP 2 5 512GB DC Intel S3700 DC | eBay
✿ NEW 400GB Enterprise SSD Sata Micron P400M Dell HP 2 5 512GB DC Intel S3700 DC | eBay