Offer letter for Chiu-Chu (Sara) Liu Liang



 Exhibit 10.20 
 Private & Confidential 
 Date: Sep. 28, 1993 
 Sara Liu 
 Dear Mrs. Sara Liu: 
 This offer of employment is basis for Treasurer & Operation position. Your job will include, but is not limited to, managing all phases
accounting, analyzing G/L accts, consolidating financial statements, preparing budgets, coordinating audits and all job related to accounting and financing, managing all phases operation of purchasing, shipping, H/R, office administration. The
position can be changed according to the company’s requirement at anytime. You will report to Charles Liang. 
 We are pleased to
offer you employment at beginning annual salary of $24,000.00 per year plus employee benefits. Your stock option is 160K at $0.15 per share. 
 The salient terms and conditions governing your employment and service with the company are as follows: 
 1. COMMENCEMENT OF EMPLOYMENT

 Your employment with company will begin on Oct.26, 1993 or earlier. 
 2 TRIAL PERIOD 
 You will be place on trial for a
period of three months from the date of your commencement of employment. This trial period provides an opportunity for you as a new employee to evaluate your work situation and, in turn, provides the management an opportunity to judge your
performance and suitability for continued employment. This trial period does not represent a guarantee or contract for employment for ninety days or any other period of time. 
 3. NON-DISCLOSURE OF CONFIDENTIAL INFORMATION AND TRADE SECRETS 
 Without the prior consent of the
company or except as authorized or required in the course of the performance of your duties, you shall not disclose, reveal or make available, directly or indirectly to third parties any confidential operations, processes or dealings, any trade
secrets or any information concerning the business, finances, transactions or affairs of the company which may come to your knowledge during your employment with the company and you shall keep with complete secret all confidential information and
matters entrusted to you and shall not use or attempt to use any such information in any manner which may injure or cause loss either directly or indirectly to the company or its business or may be likely so to do. 
  

			
	 /s/ Sara Liu
	  	  
	Offer of employment/ Sara Liu	  	1/2








 This restriction shall continue to apply after your cessation of employment without limit in point of
time but shall cease to apply to information or knowledge which may come into public domain. Upon cessation of your employment with the company, you shall turn over to the company, all documents, data or other requisites, confidential or otherwise,
obtained or made by you during the course of your employment with the company, pertaining to the business or the company. 
 4. CONFLICT OF INTEREST

 Without the prior written consent of the company, you shall not indulge, engage or interest yourself either directly or indirectly,
whether for reward or gratuitously in any work or business other than in the course of the performance of your duties to the company. 
 5. BASIS OF
EMPLOYMENT 
 Although it is our objective to maintain a stable workforce and to provide job security to all employees who met the
company’s standards of performance, the company does not make contracts of permanent employment. Instead, the company maintains a policy of employment-at-will, which means that both the company and the employee remain free to terminate the
working relationship without cause at any time. But employee must to notify the company 1 weeks prior to his/her resignation. 
 6. OTHER TERMS AND
CONDITIONS 
 Your employment is also subject to your compliance with any conditions of employment and service governed by the
company’s policies and practices or amendments thereto as appropriate from time to time. Please refer to the company’s Personnel Department should you require further clarification on such policies and practices. 
 7. EMPLOYEE BENEFITS 
 The employee is provided
with health, dental, and vision insurance. This insurance begins after thirty (30) days of employment and begins only the first on the month. Additional coverage for employee’s family members is paid by the employee. In addition, and
depending on the company’s quarterly profits, quarterly bonuses may be provided to all current employees. 
 Your employment is
also subject to your compliance with any conditions of employment and service or the company’s rules, regulations and practices, either written, expressed or implied, for the time being in force. You will be required to carry out such related
duties and job functions as instructed from time to time by the company or persons acting on behalf of the company. 
 We take this
opportunity to welcome you the Super Micro Computer Inc. and trust that your association with us will be mutually beneficial and long-lasting. 
  

			
	 This offer of employment is
 fully understood
this letter and accepted
 by Sara Liu
	  	 SUPER MICRO COMPUTER INC.

		
	 /s/ Sara Liu
 Signature
	  	 /s/ Charles Liang
 Charles Liang