Cover - shares	9 Months Ended
	Mar. 31, 2022	Apr. 30, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-33383
Entity Registrant Name	Super Micro Computer, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0353939
Entity Address, Address Line One	980 Rock Avenue
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95131
City Area Code	408
Local Phone Number	503-8000
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	SMCI
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		51,906,873
Entity Central Index Key	0001375365
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false