Kingston SSDNow v300 vs. Samsung 850 EVO – Which external SSD provides faster speeds?


Among the top SSD brands you can buy today, Kingston and Samsung deliver high-quality devices that provide a combination of incredible performance and good value for your money. Take a look at the Kingston SSDNow v300 and Samsung 850 EVO to discover which is most suitable for you.

Often, people who work in the creative industries fill up the storage space in their MAC or PC devices; hence, the need for external hard drives. External SSDs are more popularly used due to their vast storage space and blistering speeds compared to HDDs. Kingston and Samsung are both reputable brands in the external SSD market as they produce premium quality and dependable SSDs that are easy to use and affordable. Their devices come in a wide range of capacity points and other impressive features, allowing them to choose what best suits their needs.

In the following table, we shall compare Kingston SSDNow v300 and Samsung 850 EVO and highlight some of their significant differences.

What are the differences between Kingston SSDNow v300 and Samsung 850 EVO?

Model name
Kingston SSDNow v300
Samsung 850 EVO
Design and capacity
Economic and shock-proof design, ensuring it withstands any bumps and drops. Available in four capacity points: 60GB, 120GB, 240GB, and 480GB
Compact and lightweight design for optimal performance and endurance. Available in six capacity points: 120GB, 250GB, 500GB,1TB, 2TB, and 4TB
Flash memory and controller
19nm Toshiba Toggle Mode MLC and LCI Sand Force SF2281 controller
40nm Samsung TLC V-NAND memory and Samsung MGX controller
Maximum random read and write speed is 85K IOPS and 60K IOPS respectively, depending on the capacity of the drive, while its sequential read and write speed is 450Mbps
Its sequential read and write speed is 540Mbps and 520Mbps, respectively, while its maximum random read and write speed is 97K IOPS and 88K IOPS

Kingston SSDNow V300 vs. Samsung 850 EVO – How do they compare?

Design and capacity

The Samsung 850 EVO is more versatile than Kingston SSDNow V300 as it comes with more storage capacity and a sleek and lightweight design that is not cumbersome.

Kingston SSDNow V300 external SSD measures 69.8 by 100 by 7mm with a mass weight of 86 grams and is available in four compact capacity sizes: 60GB, 120GB, 240GB, and 480GB. Each of these capacities has varied options, including notebook/desktop combo, bare drive, notebook upgrade, and desktop upgrade. The desktop/notebook combo comes with a pair of 3.5″ PC mounting brackets, power and data cables, 7mm to 9.5mm adapter for fitting the drive into chunkier notebooks without it moving around, a 2.5-inch external USB 2.0 drive enclosure, hard drive cloning software and an installation DVD. All these components make the installation of this drive much easier on your desktop or notebook. It works with SATA 3 interface, but can also work with SATA 2.

Available in six capacity points; 120GB, 250GB, 500GB, 1TB, 2TB, and 4TB, the Samsung 850 EVO is a 2.5” portable and compact drive with dimensions of 3.94 by 2.75 by 0.27 inches and a mass weight of 2.33 ounces. It works with SATA 3 interface (6Gbps) for maximum performance, but it can also work with the original SATA and SATA 2.

Flash memory and controller

The V300 from Kingston uses the 19nm Toshiba Toggle NAND flash memory and the SandForce 2281 controller, which many consider as old technology since there are better controllers available in the market, like the Advanced Marvel controllers. All in all, the SandForce controller is a competent workhorse as it provides increased speeds and extends the lifespan of your device.

With its 3D NAND vertical flash memory, the Samsung 850 EVO stacks its flash cells up to 32 layers, significantly increasing its density, meaning users have access to more storage space for less cost.

The Samsung 850 EVO has a more premium quality flash memory and controller as it delivers a very high endurance rating compared to the Kingston SSDNow V300.


As one of the fastest SSDs available in the market, the Samsung 850 EVO offers a sequential read and write speed of 540/520Mbps, respectively, making the SSDs performance exceptionally higher than that of Kingston SSDNow V300. The 850 EVO also features a 4K maximum random read and write speed of 97K/88K IOPS.

On the other hand, the Kingston SSDNow V300 has a sequential read and write speed of 450Mbps and a 4K maximum random read and write speed of 85K/60K IOPS.

Kingston SSDNow V300 vs. Samsung 850 EVO – A comparison review

Kingston SSDNow V300

Over recent years, Kingston has proved to be a trustworthy competitor in the SSD market. It has steadily produced premium quality Solid-State drives that combine excellent performance and value for money. The Kingston SSDNow V300 is no different.

With a sequential read and write speed of 450Mbps, the drive offers fast speeds, especially for users who do not do much gaming. It is available in four storage options; 60GB, 120GB, 240GB, and 480GB; each of them available in a further four options, including notebook upgrade, desktop upgrade, a combo of notebook/desktop upgrade, and bare drive.

Ideal for business users and consumers, the V300 SSD is built with Toshiba’s latest 19nm Toggle NAND flash memory and a SandForce SF2281 controller. Kingston has fine-tuned this firmware, since it assembles the drive itself, to increase the overall performance of the drive.


  • Reasonable price to performance ratio
  • Available in multiple capacity points
  • It comes with several accessories


  • It has an old controller, which contributes to the slow random read and write speed of the drive, especially when working with uncompressed data


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Samsung 850 EVO

Known to be a cheaper alternative to the Samsung 850 Pro, the Samsung 850 EVO offers fast speeds and has many similar features with the higher-end 850 Pro drive. It is available in multiple storage spaces, like 120GB, 250GB, 500GB, 1TB, 2TB, and 4TB, making it an ideal option for home users who need a huge performance boost. The drive features Samsung Magician Software, which is only compatible with Windows, meaning platforms like game consoles, MAC, or Linux, cannot benefit from most of the drive’s features.

The 850 EVO features Samsung’s 40nm TLC V-NAND memory and the brand’s MJX controller, which increases the density of the drive and allows it to deliver a high endurance rating. For instance, the 120GB and 250GB versions have a very high endurance rating of 75TB, while the 500GB, 1TB, and 2TB drives double the score to deliver 150TB, meaning they take even longer to run out.

More so, this drive looks like the 840 EVO and the 850 Pro, as it is a standard 2.5-inch drive that is 7mm thick and supports SATA 3, 2, and the original SATA interface. It features a sequential read and write speed of 540/520Mbps and a 4K maximum random read and write speed of 97K IOPS and 88K IOPS, respectively.


  • Exceptional performance
  • Available in up to 4TB of storage
  • It comes with Samsung Magician Software for Windows
  • 5-year warranty


  • It is a consumer-class SSD


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Both of these external SSDs are great depending on the users’ needs. If you are looking for a budget friendly choice of the two, the Kingston SSDNow V300 is the best choice for you. Otherwise, if you are looking for an all-round powerful SSD with strong performance, the Samsung 850 EVO is the most suitable choice for you.

Final verdict: So, which is better between the Kingston SSDNow V300 and Samsung 850 EVO?

After testing both Kingston SSDNow V300 and Samsung 850 EVO, we realized some significant differences that make one SSD a better option. Though Kingston SSDNow V300 has a simple and durable design, it did not deliver as high speeds as Samsung 850 EVO. We were impressed by the high performance of Samsung 850 EVO and its extra features such as the Samsung Magician Software, 5-year warranty, and high endurance rating. As a result, the Samsung 850 EVO is better than Kingston SSDNow V300.

Frequently Asked Questions

Can the Samsung 850 EVO fit in a laptop?

Samsung designs its SSD lines in multiple form factors, and the 850 EVO is no different. Built with compatibility in mind, the 850 EVO is a standard 2.5-inch drive that can fit in most desktops, PCs, ultrabooks, and laptops with ease.

Does the Kingston SSDNow V300 work with SATA?

The V300 SSD from Kingston works with the SATA III interface and has backward compatibility with SATA II.

Mathew Cain

Mathew Cain has been working in the IT industry for over 10 years and is well versed with the problems that many people experience and are not accorded comprehensive and reliable information to help solve them. The primary function of a central processing unit is to store and retrieve information fast, but this is rarely the case if the unit has a small storage and processing capacity. And that is why Data Storage Guide has decided to give back the power to the user, by providing them with the most current and reliable information. You will, therefore, find information on the various storage devices and how best you can retrieve your lost data and also get rid permanently of sensitive information.