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EXHIBIT 10.64
 SUBLEASE
(BUILDING 5)
  RECITALS
 Exhibit D




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Definitions
 Subleased Premises Exhibit A Exhibit A
 Term; Sublease Consent; Early Entry
 Term
 -2-




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Sublease Consent
 Delivery of Subleased Premises
 -3-




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Early Entry
 Use; As Is Condition; Furniture
 Use Exhibit B -4-
        Alterations Exhibit B
 Repair and Maintenance
 License for Personal Property and Infrastructure Systems -5-
       Exhibit C
 Exhibit C
     -6-
        Rent; Security Deposit
 Base Rent
 st
 Monthly Installment ofMonthly Base Rent
    
    Base RentTime Period
    
    Rate Per RSF
    
    (Bldg 5)Commencement Date 
March 31, 2007
(Initial Premises only)
    
    $
    0.65
    
    
    $
    28,271.11April 1, 2007 
June 30, 2007
(Entire Premises)
    
    $
    0.65
    
    
    $
    61,414.60July 1, 2007 
June 30, 2008
    
    $
    0.69
    
    
    $
    65,193.96July 1, 2008 
June 30, 2009
    
    $
    0.73
    
    
    $
    68,973.32July 1, 2009 
June 30, 2010
    
    $
    0.77
    
    
    $
    72,752.68July 1, 2010 
July 31, 2011
    
    $
    0.81
    
    
    $
    76,532.04
  st
 -7-




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Additional Rent
 Payment of Rent
 Security Deposit; Letter of Credit
 -8-
         Master Lease
 Subject to Master Lease Exhibit D Exhibit D -9-
        No Violation of Master Lease
 Incorporation of Master Lease
 Exhibit D
 -10-
         Exclusions from Master Lease not
 Time for Notices and Demands -11-
        Options to Extend Under Master Lease; Amendment to Sublease
 Sublessees Insurance
 -12-




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Casualty; Condemnation
       -13-
         Indemnity; Hold Harmless
  -14-
        Utilities; System Connections; Vendors
 Notices
 Notices Under Sublease
 The address forSublessor is:
    
    Maxtor Corporation
333 South Street
Shrewsbury, MA 01545
Attn: Gary Leblancwith a copy to:
    
    Maxtor Corporation
2452 Clover Basin Drive
Longmont, CO 80503
Attention: General Counsel
 -15-




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The address forSublessee is:
    
    SanDisk Corporation
601 McCarthy Boulevard
Milpitas, CA 95035
Attn: General Counselwith a copy to:
    
    SanDisk Corporation
601 McCarthy Boulevard
Milpitas, CA 95035
Attn: Edward Palma
 Notices Under Master Lease
 Confidentiality
 Limitation of Liability
 Signage
 Brokers
 -16-




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Counterparts
 No Recording
 Curing Defaults
   Time
 Authority
 -17-




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Attorneys Fees
 Successors
 Remedies; Cross-Defaults
 Not Offer
 Construction
 -18-




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Entire Agreement; Amendment; Severability
 Intentionally Deleted
 No Solicitation
 Parking Exhibit
A
 Outdoor Areas
 -19-




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Hazardous Substances
 Definitions
 Reportable Uses and Hazardous Substances Require Consent
 Duty to Inform Sublessor
 Sublessee Remediation -20-
        Investigations and Remediations
 Sublessees Compliance with Applicable Requirements
 Inspection; Compliance
 -21-




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Sublessee Indemnification
 Sublessor Indemnification
 Environmental Assessment upon Termination of Sublease
 Proposed Sub-Subletting; Recapture
 -22-




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-23-




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Sublessor:
MAXTOR CORPORATIONBy:

/s/
Pat OMalleyName:
    Pat OMalleyTitle:
    Sr. VP Finance Sublessee:
SANDISK CORPORATIONBy:
    /s/ Judy BrunerName:
    Judy BrunerTitle:
    EVP, Administration and CFO -24-