{"id":139,"date":"2026-03-18T10:13:06","date_gmt":"2026-03-18T10:13:06","guid":{"rendered":"http:\/\/behonestech.com\/?p=139"},"modified":"2026-05-07T08:43:16","modified_gmt":"2026-05-07T08:43:16","slug":"oscoo-shines-at-gitex-2025%ef%bd%9cdefining-the-future-of-speed-with-innovative-s","status":"publish","type":"post","link":"https:\/\/behonestech.com\/sq\/oscoo-shines-at-gitex-2025%ef%bd%9cdefining-the-future-of-speed-with-innovative-s\/","title":{"rendered":"Is There a Big Difference Between Gen3 and Gen4 SSD?"},"content":{"rendered":"
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There is a notable difference in specifications between PCIe Gen3 and Gen4 SSDs, but it is barely noticeable in most daily use. Gen4 SSDs have nearly double the sequential speed of Gen3, but daily tasks (opening software, gaming, system responsiveness) rely mainly on random read\/write performance, where the gap is small. For average users, upgrading from Gen3 to Gen4 brings little perceptible improvement; the difference only becomes obvious when handling large files or using professional applications.<\/p>

Where Does the Performance Gap Manifest?<\/strong><\/p>

The core difference lies in PCIe interface bandwidth: PCIe 4.0 has double the bandwidth of PCIe 3.0, boosting sequential read\/write performance significantly. Typical specifications are as follows:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Type<\/p><\/td>

Sequential Read<\/p><\/td>

Sequential Write<\/p><\/td><\/tr>

Gen3 NVMe SSD<\/p><\/td>

3000\u20133500 MB\/s<\/p><\/td>

2500\u20133000 MB\/s<\/p><\/td><\/tr>

Gen4 NVMe SSD<\/p><\/td>

5000\u20137400 MB\/s<\/p><\/td>

4000\u20136900 MB\/s<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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While Gen4\u2019s paper performance is nearly double, this advantage only applies to sequential reading\/writing of large files, not all usage scenarios.<\/p>

Why Is the Daily Experience Difference Unnoticeable?<\/strong><\/p>

Most daily operations (system startup, opening software, loading game maps) rely on random small-file access, where Gen3 and Gen4 differ little. The real-world gap is often just 1 second in startup, imperceptible software loading, or 1\u20132 seconds faster game loading\u2014far less than the specification gap suggests.<\/p>

In Which Scenarios Does the Difference Matter?<\/strong><\/p>

Gen4\u2019s advantages shine in tasks involving continuous large-data reading\/writing, such as 4K\/8K video editing, handling large engineering files, batch exporting RAW photos, and working with large datasets. For example, copying a 100GB file with Gen4 can be tens of seconds faster than Gen3, making it ideal for content creation and professional work.<\/p>

Differences Beyond Performance<\/strong><\/p>

Gen4 SSDs usually generate more heat and consume more power, requiring better thermal management (many come with pre-installed heatsinks). They are also 20%\u201350% more expensive than Gen3 for the same capacity, with bigger gaps for high-end models. Note that some entry-level Gen4 SSDs may perform worse than high-end Gen3 models in real tests.<\/p>

Gaming Reality<\/strong><\/p>

Gen4 brings limited gaming improvements. SSDs do not affect game frame rates, and their impact on loading times is small\u2014most games are not optimized for higher bandwidth. While DirectStorage technology (allowing SSD-GPU direct data exchange) has potential, few games support it, so Gen4\u2019s gaming benefits are not yet noticeable.<\/p>

Compatibility Is Key<\/strong><\/p>

Before upgrading to Gen4, confirm your hardware supports it. If your motherboard\/CPU only supports PCIe 3.0, a Gen4 SSD will run at Gen3 speeds\u2014the interface, not the SSD, determines performance limits.<\/p>

How to Choose Reasonably<\/strong><\/p>

Choice depends on usage, not just advancement: Gen3 is sufficient and cost-effective for daily office work, gaming, and video watching. Gen4 is better for frequent large-file handling, video editing, or content creation. For new systems with Gen4 support and a suitable budget, Gen4 is a future-proof choice.<\/p>

Gen4 outperforms Gen3 in specifications, but this advantage only works in specific scenarios. For most users, Gen3 is smooth and bottleneck-free, while Gen4 is for high-workload tasks and future needs\u2014understanding this is more important than chasing higher specs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n

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    PCIe Gen4 doubles Gen3’s sequential speeds, yet daily tasks show little difference\u2014random access matters more than bandwidth. The gap only shines in large-file workflows like 4K editing. For gaming and office use, Gen3 suffices; Gen4 suits professionals handling massive data transfers.<\/p>","protected":false},"author":1,"featured_media":1092,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/posts\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/comments?post=139"}],"version-history":[{"count":13,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/posts\/139\/revisions"}],"predecessor-version":[{"id":1095,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/posts\/139\/revisions\/1095"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/media\/1092"}],"wp:attachment":[{"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/media?parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/categories?post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/behonestech.com\/sq\/wp-json\/wp\/v2\/tags?post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}