Upgrade Your Desktop's Storage: More Space or More Speed

Running out of storage on your desktop — or wanting faster load times — is a common reason to upgrade. We've covered SSDs and RAM upgrades; this guide focuses specifically on upgrading your desktop's storage, whether you're adding space or speed.

Here's how to upgrade your desktop's storage — adding capacity, going faster, or both.

What we'll cover

Do you need more or faster? Choosing storage Installing it

Do you need more or faster?

First, decide what you need:

More space? If your drive is full or you're adding lots of files, you need more capacity.

More speed? If your computer is slow to boot or load apps, a faster drive (SSD) helps (see our SSD guide).

Both? A fast SSD for your system and programs, plus a larger drive for files, is a common combo.

Check what you have. See your current storage type (HDD vs SSD) and capacity.

Decide whether you need more space, more speed, or both. A fast SSD for the system and a large drive for files is a popular setup.

Choosing storage

Here's how to choose the right storage:

Choose the type. An SSD for speed (system, games, apps), an HDD for cheap bulk storage, or a large SSD for both (see our SSD guide).

Match the form factor. Desktops use 2.5" or 3.5" drives, or M.2 sticks — check what your motherboard supports (see our guide).

Consider capacity. How much do you need? Match it to your files and future needs.

Check the connection. SATA or NVMe — match your motherboard (see our guide).

Choose the type, form factor, capacity and connection that fit your needs and motherboard. An NVMe SSD is the fastest, a SATA SSD is a great value, an HDD is cheap bulk storage.

Installing it

Installing desktop storage is one of the easier upgrades:

Power down and unplug the computer.

Open the case.

Ground yourself against static (touch a metal part of the case).

Install the drive. Mount it in a drive bay (2.5"/3.5") or slot in an M.2 (see your manual).

Connect power and data cables. SATA drives need a power and data cable; M.2 just slots in.

Reassemble, power on, and format/initialize the drive in your OS.

✨ Adding a drive is easy — a big win

Adding a storage drive to a desktop is one of the simplest and most rewarding upgrades. It gives you instant space or speed without replacing your whole computer. If you're not comfortable opening your PC, a local shop can install it cheaply — still far cheaper than a new computer.

💡 The smart storage setup

For most desktops, the ideal setup is a fast SSD for the system, games and programs (so everything loads quickly) plus a larger drive for files and archives. Add speed where you work, capacity where you store. This gives you fast performance and plenty of room without paying premium prices for huge SSDs.

📌 Bottom line

Upgrade your desktop's storage by deciding what you need — more space, more speed, or both. Choose the right type (SSD for speed, HDD for bulk, or both), match the form factor and connection to your motherboard, and pick the right capacity. Install it by powering down, grounding yourself, mounting the drive and connecting it. The smart setup: a fast SSD for system/games plus a larger drive for files. Adding storage is an easy, high-value upgrade.

Marcus Reed

Hardware specialist

Part of the HighTechBee editorial team. Marcus Reed writes practical, beginner-friendly tech guides that solve real everyday problems.