&lt;h2&gt;&lt;strong data-start=&quot;216&quot; data-end=&quot;258&quot;&gt;DELL 5521 / 3521 i3 Laptop Motherboard&lt;/strong&gt;&lt;/h2&gt;&lt;p data-start=&quot;260&quot; data-end=&quot;665&quot;&gt;The &lt;strong data-start=&quot;264&quot; data-end=&quot;306&quot;&gt;&lt;a href=&quot;https://www.dearit.com.bd/dell-5521-3521-i3-laptop-motherboard&quot; target=&quot;_blank&quot;&gt;DELL 5521 / 3521 i3 Laptop Motherboard&lt;/a&gt;&lt;/strong&gt; is a genuine replacement board made for Dell Inspiron 5521 and 3521 laptops using Intel Core i3 processors. If your old board is faulty, dead, liquid-damaged, or causing performance issues, this motherboard restores smooth performance, stable multitasking, and fast boot-up — perfect for daily work, online classes, browsing, office tasks, and entertainment.&lt;/p&gt;&lt;p data-start=&quot;667&quot; data-end=&quot;1009&quot;&gt;Supporting DDR3 RAM (4 GB–8 GB–16 GB depending on installed modules), this Dell i3 motherboard ensures reliable everyday performance. The integrated Intel HD Graphics provides clear visuals for movies, presentations, browsing, and light graphics tasks. Built with durable components, it delivers long-lasting stability and consistent results.&lt;/p&gt;&lt;p data-start=&quot;1011&quot; data-end=&quot;1034&quot;&gt;&lt;strong data-start=&quot;1011&quot; data-end=&quot;1032&quot;&gt;Compatible Models&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1035&quot; data-end=&quot;1106&quot;&gt;
&lt;li data-start=&quot;1035&quot; data-end=&quot;1071&quot;&gt;
&lt;p data-start=&quot;1037&quot; data-end=&quot;1071&quot;&gt;Dell Inspiron 5521 (i3 variants)&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1072&quot; data-end=&quot;1106&quot;&gt;
&lt;p data-start=&quot;1074&quot; data-end=&quot;1106&quot;&gt;Dell Inspiron 3521 (i3 variants)&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p data-start=&quot;1108&quot; data-end=&quot;1159&quot;&gt;&lt;strong data-start=&quot;1108&quot; data-end=&quot;1157&quot;&gt;Part Numbers (May include but not limited to)&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1160&quot; data-end=&quot;1230&quot;&gt;
&lt;li data-start=&quot;1160&quot; data-end=&quot;1192&quot;&gt;
&lt;p data-start=&quot;1162&quot; data-end=&quot;1192&quot;&gt;5521 / 3521 i3 series boards&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1193&quot; data-end=&quot;1230&quot;&gt;
&lt;p data-start=&quot;1195&quot; data-end=&quot;1230&quot;&gt;Exact part number may vary by batch&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p data-start=&quot;1232&quot; data-end=&quot;1252&quot;&gt;&lt;strong data-start=&quot;1232&quot; data-end=&quot;1252&quot;&gt;Maintenance Tips&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1254&quot; data-end=&quot;1555&quot;&gt;
&lt;li data-start=&quot;1254&quot; data-end=&quot;1310&quot;&gt;
&lt;p data-start=&quot;1256&quot; data-end=&quot;1310&quot;&gt;Always install using proper anti-static precautions.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1311&quot; data-end=&quot;1375&quot;&gt;
&lt;p data-start=&quot;1313&quot; data-end=&quot;1375&quot;&gt;Use compatible Intel Core i3 processor and DDR3 RAM modules.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1376&quot; data-end=&quot;1431&quot;&gt;
&lt;p data-start=&quot;1378&quot; data-end=&quot;1431&quot;&gt;Clean internal dust regularly to avoid overheating.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1432&quot; data-end=&quot;1487&quot;&gt;
&lt;p data-start=&quot;1434&quot; data-end=&quot;1487&quot;&gt;Keep BIOS and drivers updated for best performance.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1488&quot; data-end=&quot;1555&quot;&gt;
&lt;p data-start=&quot;1490&quot; data-end=&quot;1555&quot;&gt;Avoid moisture and excessive heat to extend motherboard lifespan.&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p&gt;








&lt;/p&gt;&lt;p data-start=&quot;1557&quot; data-end=&quot;1840&quot;&gt;&lt;/p&gt;&lt;h2&gt;&lt;strong data-start=&quot;1557&quot; data-end=&quot;1598&quot;&gt;Buying Information – Dear IT Solution&lt;/strong&gt;&lt;/h2&gt;
Buy the &lt;strong data-start=&quot;1609&quot; data-end=&quot;1651&quot;&gt;&lt;a href=&quot;https://www.dearit.com.bd/dell-5521-3521-i3-laptop-motherboard&quot; target=&quot;_blank&quot;&gt;DELL 5521 / 3521 i3 Laptop Motherboard&lt;/a&gt;&lt;/strong&gt; at the best price in Bangladesh from Dear IT Solution. We ensure genuine products, fast delivery, and reliable after-sales support — ideal for restoring your laptop’s original performance.&lt;p&gt;&lt;/p&gt;