<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-01-21</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001316625</issuerCik>
        <issuerName>Silicon Graphics International Corp</issuerName>
        <issuerTradingSymbol>SGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664367</rptOwnerCik>
            <rptOwnerName>Wolberg Kirsten O.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SGI</rptOwnerStreet1>
            <rptOwnerStreet2>900 N. MCCARTHY BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>MILPITAS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95035</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Kirk O. Williams as Attorney in Fact for Kirsten O. Wolberg</signatureName>
        <signatureDate>2016-01-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
