WD_Black's high-speed 4TB SN7100 SSD gets a discount with Newegg's special promo code

A 4TB SSD gives you plenty of storage, but high-capacity drives can be expensive.

<![CDATA[ <article> <p>A 4TB SSD gives you plenty of storage, but high-capacity drives can be expensive. SanDisk's WD_BLACK SN7100 is a compact M.2 2280 drive that combines PCIe 4.0 connectivity with TLC 3D NAND and a DRAM-less HMB design. </p><p><strong>• Best for: </strong>Professionals, PC builders, and gamers who needs a high-capacity SSD for a laptop or desktop and wants a lot of room for applications, media and large files.</p><p><strong>• The deal: </strong>The <a href="https://www.newegg.com/sandisk-4tb-sn7100-nvme/p/0D9-001A-003S1?Item=0D9-001A-003S1" target="_blank">4TB WD_BLACK SN7100 is now $560 (was $580) at Newegg</a> when you use promo code <strong>SSF73634 </strong></p><p><strong>• Why it matters: </strong>The SSD delivers sequential read speeds up to 7,000MB/s and writes up to 6,700MB/s, alongside a solid 2,400TBW endurance rating.</p><div class="product"><a data-dimension112="8e3cdfba-b349-11f1-8e15-47b9d17e7c60" data-action="Deal Block" data-label="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension48="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension25="$559.99" href="https://www.newegg.com/sandisk-4tb-sn7100-nvme/p/0D9-001A-003S1?Item=0D9-001A-003S1" target="_blank" rel="nofollow"><figure class="van-image-figure " ><div class='image-full-width-wrapper'><div class='image-widthsetter' style="max-width:1280px;"><p class="vanilla-image-block" style="padding-top:27.58%;"><img id="Uif4fGGrXjKFtAZF6XbV4c" name="wdblack-sn7100-m2-2280-4tb-pciexpress-40-9d90cd8c-573e-4d02-9142-319ec8288ae7.webp" caption="" alt="" src="https://cdn.mos.cms.futurecdn.net/Uif4fGGrXjKFtAZF6XbV4c-1920-80.webp" mos="" align="middle" fullscreen="" width="1280" height="353" attribution="" endorsement="" credit="" class=""></p></div></div></figure></a><p><strong><a href="https://www.newegg.com/sandisk-4tb-sn7100-nvme/p/0D9-001A-003S1?Item=0D9-001A-003S1" target="_blank" rel="nofollow" data-dimension112="8e3cdfba-b349-11f1-8e15-47b9d17e7c60" data-action="Deal Block" data-label="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension48="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension25="$559.99">4TB WD_BLACK SN7100 M.2 2280 SSD: was $580 now $559.99</a></strong><br>This SSD uses PCIe 4.0 x4, TLC 3D NAND and HMB, delivering up to 7,000MB/s reads, 6,700MB/s writes, 1.35 million IOPS and 2,400TBW endurance for gaming systems. Use coupon code <strong>SSF73634</strong> for the biggest saving.<a class="view-deal button" href="https://www.newegg.com/sandisk-4tb-sn7100-nvme/p/0D9-001A-003S1?Item=0D9-001A-003S1" target="_blank" rel="nofollow" data-dimension112="8e3cdfba-b349-11f1-8e15-47b9d17e7c60" data-action="Deal Block" data-label="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension48="4TB WD_BLACK SN7100 M.2 2280 SSD" data-dimension25="$559.99">View Deal</a></p></div><h2 id="why-we-recommend-it-2">Why we recommend it</h2><p>The SN7100 delivers plenty of storage and performance suited to creative laptops and desktop PCs. Its maximum operating power is rated at 4.5W, and it offers up to 100% better power efficiency than the previous generation. The 4TB model also has an endurance rating of 2,400TBW.</p><p><em>For more options, look at our roundups of the </em><a href="https://www.techradar.com/news/best-solid-state-drives-ssds" target="_blank"><em>best SSDs</em></a><em> and the </em><a href="https://www.techradar.com/pro/fastest-ssds" target="_blank"><em>fastest SSDs</em></a><em>.</em></p><h2 id="price-context-amp-historical-value-2">Price context & historical value</h2><p>The saving from $580 to $579.99 is obviously minuscule on its own, but promo code <strong>SSF73634 </strong>brings the price down to $559.99. It's not a huge discount, but with storage prices so high right now, any reduction is welcome.</p><p>That said, this is nowhere near its historical low. The 4TB WD_BLACK SN7100 was available to buy for $209.99 in 2025, illustrating just how dramatically SSD prices have risen since then. Not so long ago, it was priced at $1,379.99 at Amazon, <a href="https://www.amazon.com/WD_BLACK-SN7100-Internal-Gaming-Solid/dp/B0DZK9C789/?th=1" target="_blank">where it is currently $579</a>.</p><h2 id="should-you-buy-it-2">Should you buy it?</h2><p>✅ <strong>Buy the 4TB WD_BLACK SN7100 if...</strong></p><p>You want to increase your storage without compromising on speed. With 4TB available, there's plenty of room for large files, applications and media without constantly managing free space.</p><p>❌ <strong>Skip the 4TB WD_BLACK SN7100 if...</strong></p><p>You regularly handle sustained, storage heavy workloads, as it's a DRAM-less SSD (dedicated DRAM is better). It also comes without a heatsink, so check the cooling arrangements and available space in the device where you plan to install it.</p><ul><li><a href="https://www.newegg.com/Internal-SSDs/SubCategory/ID-636" target="_blank">Shop all internal SSDs at Newegg</a></li></ul> </article> ]]>