Document And Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2016	Aug. 18, 2016	Dec. 31, 2015
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jun. 30, 2016
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2016
Entity Registrant Name	Super Micro Computer, Inc.
Entity Central Index Key	0001375365
Current Fiscal Year End Date	--06-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		48,656,429
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,312,866,144