Document And Entity Information	3 Months Ended
	Sep. 30, 2012	Oct. 25, 2012
Document And Entity Information [Abstract]
Entity Registrant Name	Super Micro Computer, Inc.
Entity Central Index Key	0001375365
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		41,792,466