Disk Benchmark Software Free Download for Windows

Updated by

Joey Albert 

Updated on Sep 08, 2026

Do you want to know how well your SSD or HDD is really performing? Is it running at a fast, slow, or average speed? You may know the read and write speeds listed by the manufacturer, but those numbers do not always match what you see on your PC. A quick disk benchmark can show you how fast your drive reads and writes data and whether its current performance is close to what you expect.

With the right disk benchmark software, you can test an SSD or HDD on Windows 11/10/8/7. This guide covers the free disk benchmark software, how to benchmark an SSD or HDD, and how to understand the test results.

What Is Disk Benchmark?

Disk benchmarking is a way to measure the performance of a storage device under a set of read and write tests. The results show how quickly a drive can handle different types of data operations.

A disk benchmark can help you:

• Check SSD or HDD read and write speed.
• Test an NVMe, SATA, or external drive.
• Compare actual performance with the manufacturer's specifications.
• Check whether a new SSD is performing as expected.
• Compare two storage devices.
• Find possible performance bottlenecks.
• Monitor changes in disk performance over time.

When to Run SSD/HDD Benchmark:

• After installing a new SSD or HDD: Check its actual read and write performance.
• After upgrading your storage drive: Compare the new drive with the previous one.
• When your PC is slow: Determine whether storage performance is contributing to the problem.
• When file transfers seem slow: Check the drive's read and write speeds.
• Before and after system optimization: Measure whether the changes have improved performance.
• When comparing two storage drives: Identify which drive performs better under the same test conditions.

SSD/HDD Benchmark Software Free Download

If you need free disk benchmark software for Windows, EaseUS Partition Master is a practical option. Its DiskMark feature is designed to test the read and write performance of SSDs and HDDs and provides detailed benchmark results.

This free disk benchmark software supports speed tests on SSD, HDDs, and external hard drives. You can check sequential and random performance, I/O performance, and delay. The results give you a quick way to compare drives or see whether your storage is performing as expected.

SSD/HDD Benchmark Software Free Download:

What EaseUS Partition Master Can Help You Do :

EaseUS Partition Master Review from Experts & Users:

How to Benchmark a Disk on Windows [SSD/HDD]

You can use the same basic process to benchmark an SSD or HDD. Before starting, close large downloads, games, video editors, and other programs that are heavily using the drive. This helps reduce background disk activity during the test.

Tips for More Consistent Disk Benchmark Results:

Benchmark numbers might change from one test to another. For a more useful comparison, here are some tips before you run the Benchmark:

1. Benchmark SSD or HDD

Step 1. Launch EaseUS Partition Master. And click the download button to activate the "DiskMark" feature under the "Discovery" section.

Step 2. Click on the drop-down box to choose the target drive, test data, and block size.

Step 3. Once everything is configured, click "Start" to begin the disk test. Then, you can see the Sequential or Random read/write speed, I/O, and Delay data.

2. Check Disk Health

After running a disk benchmark, you may want to check the drive's health if the results are unexpectedly low or inconsistent. A benchmark shows performance, while a health check can reveal signs of potential drive problems.

With EaseUS Partition Master, you can continue checking the same SSD or HDD with tools such as SMART Health Check, File System Check, and Surface Test.

Step 1. Download and open EaseUS Partition Master on your Windows PC.

Step 2. Find the disk you want to check and click the disk icon at the top right.

Step 3. Here, you can review the health condition of your hard drive.

How to Read Disk Benchmark Results

Your disk benchmark will show several numbers after the test. Some of them are easy to understand, while others can be confusing at first. The table below breaks down the main disk benchmark results and what they mean.

Here are some examples to read disk benchmark results.

1. Sequential Read and Write

Sequential speed is usually shown in MB/s or GB/s. For example, if an NVMe SSD shows a sequential read speed of 6,500 MB/s, it can theoretically move large blocks of data at a very high rate under the test conditions.

Do not use sequential speed alone to judge how fast a PC feels. Everyday workloads often involve many smaller and random operations. Professional SSD benchmark testing also uses random I/O to better represent system responsiveness.

2. Random Read and Write

Random performance measures smaller data requests that are not stored in one continuous sequence. Random results are often reported as IOPS, or input/output operations per second.

A drive with very high sequential speeds is not automatically going to feel dramatically faster in every everyday task. Random performance and latency also play a role.

Conclusion

Disk benchmark software can help you determine whether your SSD or HDD is delivering the performance you expect.

For Windows users, EaseUS Partition Master is a convenient choice if you want more than a basic disk speed test. Its DiskMark feature tests SSD and HDD read/write performance and shows sequential, random, I/O, and delay results. You can also use the same software for disk health checks, partition management, cloning, and other storage tasks.

FAQs

1. Is it free to benchmark a disk with EaseUS Partition Master?

Yes, it's completely free to benchmark a disk with EaseUS Partition Master. You can use the DiskMark feature in EaseUS Partition Master Free to benchmark your SSD or HDD.

2. What storage devices does EaseUS Partition Master support?

• HDDs: IDE (Parallel ATA), SATA, eSATA, SCSI, and IEEE 1394 (FireWire)
• SSDs: SATA SSD, M.2 SSD, NVMe SSD, and large-capacity MBR or GPT disks
• Removable devices: USB 1.0/2.0/3.0 drives, flash drives, memory cards, and memory sticks

3. What is the best disk benchmark software for Windows?

EaseUS Partition Master is one of the best disk benchmark tools if you want to test SSD or HDD performance and manage your disks from the same application. Its DiskMark feature provides sequential and random read/write results, along with I/O and delay information.

4. Can I benchmark an NVMe SSD?

Yes. You can use a compatible disk benchmark tool to test an NVMe SSD. Keep the PCIe generation and interface in mind when comparing the results with the manufacturer's advertised speed.

5. What is a good SSD benchmark speed?

There is no single speed that is considered good for every SSD. SATA SSDs, PCIe 3.0 NVMe drives, PCIe 4.0 SSDs, and PCIe 5.0 SSDs have very different performance ranges. The best approach is to compare your results with the specifications for your exact SSD and use the same benchmark settings when comparing results.