How To Test Hard Dive Speed for Windows 10 & 11

Muhib Nadeem / July 15, 2025 / 10 min read
Disclaimer: This piece reflects the author’s independent research and is not an official statement from Hone.gg.

Discover if your storage is bottlenecking your PC with these simple, accurate speed tests that reveal your drive’s true performance.

Live Speed Test Simulator

See what different speeds look like in real-time

Read Speed
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MB/s
Write Speed
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MB/s

Ever wondered why your PC takes forever to boot, or why games stutter during loading screens? Your hard drive speed might be the culprit. Testing your storage speed isn’t just for tech enthusiasts anymore. It’s a crucial diagnostic step that can reveal if your drive is holding back your entire system from those sweet FPS improvements.

Why Hard Drive Speed Matters More Than You Think

Hard Disk Computer

Your hard drive is like the highway system of your PC. Every piece of data, from Windows itself to your favorite games, travels along this highway. When that highway is slow, everything suffers, including FPS.

A sluggish drive affects boot times, application launches, file transfers, and even in-game performance when assets need to load on the fly.

Storage Speed Comparison

Click each drive type to see typical speeds and real-world impact

💿
HDD 5400RPM
80-120
MB/s Sequential
💽
HDD 7200RPM
120-180
MB/s Sequential
💾
SATA SSD
500-550
MB/s Sequential
NVMe SSD
2000-7000
MB/s Sequential

The Science Behind Storage Speed

Before diving into testing, it’s helpful to understand what we’re actually measuring. Storage speed isn’t just one number. It’s a combination of different metrics that affect your experience in different ways:

  • Sequential Read/Write: How fast your drive can read or write large, continuous files. This affects things like copying movies or loading large game levels.
  • Random Read/Write: How quickly your drive handles small, scattered files. This is crucial for Windows performance, as the OS constantly accesses tiny files all over the drive.
  • Access Time: The delay before data transfer begins. SSDs excel here with near-instant response, while HDDs need time to physically move their read heads.
  • IOPS (Input/Output Operations Per Second): How many separate read/write operations the drive can handle. Higher is better for multitasking.

Choose Your Testing Tool

CrystalDiskMark
Windows Built-in
AS SSD
ATTO
📊

CrystalDiskMark

The gold standard for storage benchmarking. Free, reliable, and gives you all the metrics that matter in an easy-to-understand format.

Tests sequential and random speeds
Multiple test sizes available
Works with all drive types
Exports results for comparison

Quick Setup:

  1. Download from crystalmark.info (it’s free)
  2. Install and run as administrator
  3. Select your drive from the dropdown
  4. Click “All” to run comprehensive test
  5. Wait 2-5 minutes for results
🖥️

Windows Built-in Tool (WinSAT)

No downloads needed! Windows has a hidden speed test tool that’s perfect for quick checks. It’s already on your PC.

Already installed on Windows
Simple command-line interface
Quick basic speed test
No third-party software

How to use:

Open Command Prompt as Administrator and run:

winsat disk -drive c

Replace ‘c’ with your drive letter if testing a different drive.

🎯

AS SSD Benchmark

Specifically designed for SSDs, this tool provides detailed insights into your solid-state drive’s performance characteristics.

SSD-specific optimizations
Shows 4K alignment status
Compression benchmark
Access time measurements
📈

ATTO Disk Benchmark

Industry standard for manufacturers. Tests with various file sizes to show how your drive performs across different workloads.

Tests multiple file sizes
Direct I/O testing
Queue depth options
Professional-grade accuracy

Step-by-Step Testing Guide

Hard Drive Testing

Let’s walk through the most popular method using CrystalDiskMark, which gives you comprehensive results without getting too technical.

1

Prepare Your System

Before testing, close all unnecessary programs. Background apps can interfere with results. Disable any antivirus scanning temporarily, and make sure Windows isn’t running updates or defragmentation.

Pro Tip: Run the test multiple times. First run might be slower as Windows caches data. Use the average of 3 runs for accuracy.
2

Download and Install CrystalDiskMark

Head to the official site (crystalmark.info) and download the standard edition. It’s completely free and doesn’t install any bloatware. The installer is straightforward – just click through with default settings.

3

Configure Your Test

When CrystalDiskMark opens, you’ll see several options at the top:

  • Test Count: Leave at 5 for accuracy
  • Test Size: 1GiB is fine for most drives
  • Drive Selection: Choose the drive you want to test
4

Run the Test

Click the “All” button to run a comprehensive test. This will test sequential and random speeds with different queue depths. The test takes 2-5 minutes depending on your drive speed.

You’ll see four rows of results:

  • SEQ1M Q8T1: Sequential performance (large files)
  • SEQ1M Q1T1: Sequential with single queue
  • RND4K Q32T16: Random performance (multitasking)
  • RND4K Q1T1: Random single queue (most important for daily use)
5

Alternative: Quick Windows Test

For a quick check without downloading anything, use Windows’ built-in tool:

winsat disk -drive c

This gives you basic sequential read/write speeds. Not as detailed as CrystalDiskMark, but perfect for a quick health check.

Utilizing Your Results

Numbers are great, but what do they actually mean for your daily use? Here’s how to interpret your speed test results and know if your drive is performing well.

🐌

Time to Upgrade

Under 100 MB/s Sequential

You’re likely using an older HDD. Expect slow boot times (1-2 minutes), sluggish app launches, and frequent freezing. Gaming will suffer with texture pop-in and long loading screens.

👍

Decent Performance

100-550 MB/s Sequential

Either a good HDD or SATA SSD. Boot times around 20-30 seconds. Apps launch reasonably fast. Gaming is smooth with occasional loading pauses. Good enough for most users.

🚀

Lightning Fast

550+ MB/s Sequential

NVMe SSD territory. Boot in 10-15 seconds. Apps launch instantly. Games load so fast you can’t read the tips. If you’re seeing 2000+ MB/s, you’ve got a modern NVMe drive running at full speed.

What Really Matters for Different Uses:

🎮 Gaming

Sequential reads matter most. Look for 500+ MB/s to eliminate loading screen bottlenecks. Random reads affect texture streaming.

💼 Productivity

Random 4K speeds are king. Even 50 MB/s random reads make Windows feel snappy. This is why SSDs feel so much faster than HDDs.

🎬 Content Creation

Both matter equally. You need fast sequential for large video files and good random performance for timeline scrubbing.

Common Issues and Solutions

  • Speeds much lower than advertised: Check if your drive is connected to the right port. NVMe drives need an M.2 slot with PCIe support. SATA SSDs need SATA III (6Gb/s) ports.
  • Inconsistent results: Background processes might be interfering. Boot into Safe Mode for the most accurate testing.
  • SSD performing like HDD: Your drive might be full. SSDs slow down dramatically when over 75% full. Time to clean up or upgrade capacity.
  • Good speeds but still feels slow: Check your RAM usage. Even the fastest SSD can’t compensate for insufficient memory causing constant page file access.

Optimize Your Entire System, Not Just Storage

Found out your drive is fast but Windows still feels sluggish? Hone optimizes your entire system for peak gaming performance.

Reduce input lag
🎮 Boost FPS in games
🧹 Clean system junk
Optimize with Hone

Frequently Asked Questions

How often should I test my drive speed? +
Test when you first get a drive to ensure it’s working properly, then every 6-12 months as a health check. Also test if you notice sudden performance drops. SSDs can slow down as they age or fill up, so periodic testing helps catch issues early.
Why are my speeds lower than advertised? +
Manufacturers advertise theoretical maximum speeds under perfect conditions. Real-world speeds are typically 10-20% lower. Also check: Is your motherboard compatible? For NVMe drives, you need PCIe 3.0 or 4.0 support. For SATA SSDs, ensure you’re using SATA III ports. Cable quality matters too for SATA drives.
Should I test while Windows is running normally? +
For most accurate results, close all programs and disable antivirus temporarily. However, testing under normal conditions shows real-world performance. Try both: clean environment for maximum capability, normal use for everyday expectations. Just be consistent when comparing results.
What’s more important: sequential or random speeds? +
For everyday Windows use, random 4K speeds matter most. They determine how snappy your system feels. Sequential speeds matter for large file transfers and game loading times. Ideally, you want both to be good. This is why even a slow SSD feels faster than a fast HDD – the random performance is dramatically better.
Can I improve my drive’s speed without replacing it? +
Yes! For SSDs: ensure it’s not over 75% full, enable TRIM, update firmware, and check that AHCI mode is enabled in BIOS. For HDDs: defragment regularly (not SSDs!), disable indexing on non-OS drives, and ensure proper cooling. Also check for background programs constantly accessing the drive.
My NVMe SSD shows only 500 MB/s. Is it broken? +
Probably not broken, just in the wrong slot. Many motherboards have multiple M.2 slots but only some support full NVMe speeds. Check your motherboard manual – you might need to move it to a different slot. Also, some slots share bandwidth with SATA ports, so having too many drives connected can limit speeds.

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No Cost

Kick off an exciting adventure for free! Just download the app, create your account, and enjoy up to 20 optimizations at no cost.

Muhib Nadeem

Muhib Nadeem

I grew up on frame drops, boss fights, and midnight queues. Now I write about games with the same energy I once saved for ranked.

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