<?xml version="1.0"?>
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    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <cik>0001510956</cik>
        <entityName>AEI ALIEN SERIES B' INVESTMENTS I, LLC</entityName>
        <issuerAddress>
            <street1>311 S WACKER DRIVE</street1>
            <street2>SUITE 1650</street2>
            <city>CHICAGO</city>
            <stateOrCountry>IL</stateOrCountry>
            <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
            <zipCode>60606</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>804-379-1110</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2011</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Advanced Equities Alien Management Corp.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>311 S Wacker Drive</street1>
                <street2>Suite 1650</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Venture Capital Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001510956-11-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2011-03-31</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>106000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Arthur Coleman</recipientName>
                <recipientCRDNumber>847936</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
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                    <street1>311 S Wacker Drive</street1>
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                </recipientAddress>
                <statesOfSolicitationList>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>CT</state>
                    <description>CONNECTICUT</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Brady Clark</recipientName>
                <recipientCRDNumber>5876496</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
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                    <street1>311 S Wacker Drive</street1>
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                <statesOfSolicitationList>
                    <state>OR</state>
                    <description>OREGON</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Chris Clark</recipientName>
                <recipientCRDNumber>1952666</recipientCRDNumber>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>OR</state>
                    <description>OREGON</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Cem Karaca</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
                    <description>CALIFORNIA</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Sandino Napolis</recipientName>
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                <associatedBDName>Advanced Equities Inc.</associatedBDName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>TX</state>
                    <description>TEXAS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Eric Richardson</recipientName>
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                <recipientAddress>
                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
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                    <description>TEXAS</description>
                    <state>ID</state>
                    <description>IDAHO</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Geoff Carfagnini</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                <statesOfSolicitationList>
                    <state>IL</state>
                    <description>ILLINOIS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Gordon Fallone</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
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                    <description>NEW JERSEY</description>
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                    <state>WA</state>
                    <description>WASHINGTON</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Gary Saccaro</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>PA</state>
                    <description>PENNSYLVANIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Peter Fogarty</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>NJ</state>
                    <description>NEW JERSEY</description>
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                    <description>PENNSYLVANIA</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Rick Post</recipientName>
                <recipientCRDNumber>5469061</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>311 S Wacker Drive</street1>
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                    <state>WA</state>
                    <description>WASHINGTON</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Gregory Grycan</recipientName>
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                <recipientAddress>
                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>TX</state>
                    <description>TEXAS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Joseph Cordi</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>CA</state>
                    <description>CALIFORNIA</description>
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                    <description>MICHIGAN</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Jordan Berlin</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <description>NEW JERSEY</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Jared Carmel</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
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                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Scott Kyle</recipientName>
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                <recipientAddress>
                    <street1>311 S Wacker Drive</street1>
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                    <state>TX</state>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Timothy Touloukian</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>William Pedersen</recipientName>
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                    <description>IDAHO</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>James Kozak</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <state>TN</state>
                    <description>TENNESSEE</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Christopher P Hollamon</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                    <description>PENNSYLVANIA</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Etienn Couret</recipientName>
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                <foreignSolicitation>false</foreignSolicitation>
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                <recipientName>Larry Cohen</recipientName>
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                    <street1>311 S Wacker Drive</street1>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Patrick Thurman</recipientName>
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                <recipientAddress>
                    <street1>655 W Broadway</street1>
                    <city>San Diego</city>
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                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
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                    <description>SOUTH DAKOTA</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>Robert N Casolaro</recipientName>
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                    <description>ARIZONA</description>
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                <foreignSolicitation>false</foreignSolicitation>
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            <recipient>
                <recipientName>William Schrimpf</recipientName>
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                <foreignSolicitation>false</foreignSolicitation>
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        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>1799150</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>52</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>101838</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>$101,838.68 will be taken as markup by Advanced Equities Inc. with the remaining $1,697,311.32 being used to make investments in Alien Technology Corp.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>AEI ALIEN SERIES B' INVESTMENTS I, LLC</issuerName>
                <signatureName>Alex Winks</signatureName>
                <nameOfSigner>Alex Winks</nameOfSigner>
                <signatureTitle>Authorized Signatory</signatureTitle>
                <signatureDate>2011-07-07</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
