Best Internal Solid State Drives of 2025

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Internal Solid State Drives (SSDs) are a type of data storage device that use NAND-based flash memory to store and retrieve data. Unlike traditional hard disk drives (HDDs), SSDs have no moving parts, which makes them faster, more reliable, and more durable. They are available in a range of capacities and form factors to suit different needs and applications, from desktop computers and laptops to servers and data centres. SSDs are an excellent choice for those looking to upgrade their computer's storage or improve its performance.
At a Glance: Our Top Picks
Top 10 Internal Solid State Drives
Kingston NV3 1TB NVMe PCIe SSD
The Kingston NV3 SSD offers exceptional Gen 4x4 NVMe PCIe performance, making it an ideal choice for users seeking high-speed and low-power storage solutions. With capacities reaching up to 4TB, you can store a significant amount of data without worrying about running out of space. This SSD is designed to enhance your system's responsiveness, ensuring faster boot times and quicker file transfers. You will appreciate the efficiency and speed this storage option brings to your computing experience.
Crucial P3 Plus 2TB NVMe SSD
The Crucial P3 Plus SSD offers exceptional performance, making it an excellent choice for upgrading your PC. With speeds up to 5000MB/s, you will experience significantly faster load times and data transfers compared to traditional SATA drives. Additionally, the generous 2TB storage capacity provides ample space for all your applications, files, and multimedia. You can also enjoy enhanced security with its advanced Gen4 technology, ensuring your data is protected while optimising performance efficiently.
WD_BLACK SN770 2TB NVMe Gaming SSD
The WD_BLACK SN770 SSD offers exceptional performance, allowing you to dive into games faster than ever with read speeds of up to 5,150MB/s. This impressive speed significantly reduces load times, enhancing your gaming experience. With a PCIe Gen4 interface, it ensures smoother gameplay by minimising stutter and improving in-game responsiveness. Additionally, with a capacity of up to 2TB, you can store your latest games and downloadable content without worrying about running out of space. The drive also boasts up to 20% more power efficiency, making it a reliable choice for gamers.
Crucial BX500 500 GB SSD Drive
The Crucial BX500 SSD offers an excellent way to enhance your laptop or desktop computer's performance without the high cost of a new device. By adding this 500 GB solid-state drive, you can experience faster load times and improved overall speed, making your tasks more efficient. This sleek black drive not only looks good but is also built with good quality materials, ensuring durability. Overall, the Crucial BX500 SSD is a simple solution to boost your computer's functionality.
Crucial BX500 1TB Internal SSD with Dynamic Write Acceleration
The Crucial BX500 SSD offers impressive performance for your laptop or desktop. With dynamic write acceleration technology, it starts your system in seconds and loads files almost instantly, enhancing your productivity. You can comfortably store up to 4TB of data, making it easy to access your photos, music, and videos quickly. Additionally, the SSD comes with free Acronis True Image HD software, allowing for a seamless data migration process, so you can upgrade with confidence and ease.
Crucial P3 500GB NVMe Internal SSD
The Crucial P3 SSD offers impressive performance with NVMe technology, achieving sequential read speeds of up to 3500MB/s. This means you can transfer large files quickly, saving you time during important tasks. With random read/write speeds of 350K/460K IOPS, it responds swiftly to your commands, enhancing your overall computing experience. The spacious storage capacity allows you to expand your system up to 4TB, providing ample space for your files, applications, and games. Additionally, it performs up to 45% better than its predecessor, ensuring you enjoy the latest in solid-state drive technology.
Kingston A400 960GB Internal SSD
The Kingston A400 SSD offers faster starts, uploads, and file transfers, making your computing experience much smoother. You will notice a significant improvement in how quickly applications load and files transfer, which can save you valuable time. This solid-state drive is also more reliable and durable than traditional hard drives, ensuring your data remains safe. With multiple capacities available, the Kingston A400 SSD provides ample space for applications or can seamlessly replace an existing hard drive, enhancing your system's performance.
Samsung 990 PRO 2TB NVMe SSD for Gaming
The Samsung 990 PRO SSD is a powerful NVMe drive designed for high-performance tasks such as 4K video editing and demanding gaming. With impressive read speeds of up to 7450 MB/s and write speeds reaching 6900 MB/s, you can expect quick load times and smooth performance. Its dynamic thermal guard technology helps prevent overheating, ensuring the drive remains reliable during intensive use. Additionally, the compact M.2 form factor allows for easy installation in high-performance PCs and ultrabooks, making it a great choice for anyone looking to enhance their system's capabilities.
Crucial T500 1TB SSD with Heatsink
The Crucial T500 SSD offers lightning speeds, achieving sequential read speeds of up to 7,300MB/s and write speeds of up to 6,800MB/s. This means you can enjoy quicker load times for your games, enhancing your gaming experience. It's also designed specifically for the PlayStation 5, making installation a breeze. Additionally, you will benefit from faster texture rendering and reduced CPU usage when using Microsoft DirectStorage, allowing for a smoother gaming experience. For those in content creation, it promises up to 42% faster performance in demanding applications.
WD_BLACK SN850X 2TB NVMe SSD with Heatsink
The WD_BLACK SN850X SSD offers an exceptional gaming experience with read speeds of up to 7,300 MB/s, ensuring quick load times so you can dive straight into your favourite games. With extremely low latency, graphics load rapidly, providing a smoother and more enjoyable gameplay. Its generous storage options, ranging from 1TB to 4TB, allow you to keep multiple large titles on hand without worrying about space. The optional heatsink not only enhances the SSD's appearance but helps maintain performance, even during intense gaming sessions.
Frequently Asked Questions (FAQs)
1. What is an internal solid state drive?
An SSD, or solid-state drive, is a type of storage device used in computers. This non-volatile storage media stores persistent data on solid-state flash memory. SSDs replace traditional hard disk drives (HDDs) in computers and perform the same basic functions as a hard drive.
2. Are internal hard drives better than SSD?
Comparing SSDs and HDDs HDDs are a legacy storage technology that use spinning disks to read/write data. SSDs are faster and more power efficient than HDDs. HDDs are priced lower, but SSD prices are dropping.
3. Is Solid State Drive internal or external?
SSDs can be used as internal or external drives. And because they don't have moving parts when retrieving data, they are getting smaller and smaller. Currently, the most common small form factor is the 2.5-inch SSD, which is about the size of a deck of cards.
During our internal solid state drive research, we found 306 internal solid state drive products and shortlisted 10 quality products. We collected and analyzed 2,079,780 customer reviews through our big data system to write the internal solid state drives list. We found that most customers choose internal solid state drives with an average price of £36.15.
The internal solid state drives are available for purchase. We have researched hundreds of brands and picked the top brands of internal solid state drives, including Kingston, Crucial, WD_BLACK, Samsung.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.