<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001399546</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001736297</issuerCik>
            <issuerName>ASTERA LABS, INC.</issuerName>
            <secFileNumber>001-41979</secFileNumber>
            <issuerAddress>
                <ns2:street1>2901 Tasman Drive</ns2:street1>
                <ns2:street2>Suite 205</ns2:street2>
                <ns2:city>Santa Clara</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95054</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 337-9056</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>TATE 1997 LIVING TRUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>100000</noOfUnitsSold>
            <aggregateMarketValue>19118990.00</aggregateMarketValue>
            <noOfUnitsOutstanding>166219140</noOfUnitsOutstanding>
            <approxSaleDate>08/12/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>09/11/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Founder Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>100000</amountOfSecuritiesAcquired>
            <paymentDate>09/11/2020</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>TATE 1997 LIVING TRUST</name>
                <address>
                    <ns2:street1>2901 Tasman Drive</ns2:street1>
                    <ns2:street2>Suite 205</ns2:street2>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/07/2025</saleDate>
            <amountOfSecuritiesSold>34733</amountOfSecuritiesSold>
            <grossProceeds>5952708.26</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>TATE 1997 LIVING TRUST</name>
                <address>
                    <ns2:street1>2901 Tasman Drive</ns2:street1>
                    <ns2:street2>Suite 205</ns2:street2>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/07/2025</saleDate>
            <amountOfSecuritiesSold>5038</amountOfSecuritiesSold>
            <grossProceeds>863436.62</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>TATE 1997 LIVING TRUST</name>
                <address>
                    <ns2:street1>2901 Tasman Drive</ns2:street1>
                    <ns2:street2>Suite 205</ns2:street2>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/07/2025</saleDate>
            <amountOfSecuritiesSold>60229</amountOfSecuritiesSold>
            <grossProceeds>10322335.12</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Tate 1997 Living Trust</name>
                <address>
                    <ns2:street1>2901 Tasman Drive</ns2:street1>
                    <ns2:street2>Suite 205</ns2:street2>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>common</securitiesClassTitle>
            <saleDate>05/30/2025</saleDate>
            <amountOfSecuritiesSold>500000</amountOfSecuritiesSold>
            <grossProceeds>45098194.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/12/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Michael Tate, Trustee</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
