PS5 SSD Upgrade Guide 2026: Requirements, Heatsinks, and Install Steps

Modern games are enormous, and the PS5's built-in storage fills up fast once you have a few blockbusters installed. The good news is that expanding it with an internal M.2 NVMe SSD is one of the easiest upgrades in gaming, takes under ten minutes, and dramatically expands your library. The catch is that the PS5 is picky about which drives it accepts. Buy the wrong one and it simply will not work. Here is exactly what the console requires and how to install a drive correctly in 2026.

Key takeaways

• The drive must be M.2 NVMe PCIe Gen 4 x4. Gen 3 drives are explicitly blocked and will not work.
• Aim for at least 5,500 MB/s of throughput, which is Sony's minimum recommendation for smooth performance.
• A heatsink or heat spreader is required, and the total drive height must not exceed 11.25mm.
• The whole installation takes under ten minutes and needs only a Phillips screwdriver.
• Update your system software first, then power down and unplug before opening the console.

What the PS5 requires from an SSD

The PS5 is strict about three things, and missing any of them means the drive will not work.

First, the interface. It must be M.2 NVMe PCIe Gen 4 x4. This is non-negotiable. Gen 3 drives are explicitly blocked, and a SATA M.2 drive will not work at all. If you are reusing an old SSD, confirm it is a Gen 4 NVMe drive before you start.

Second, the speed. Any PCIe 4.0 SSD that provides at least 5,500 MB/s of throughput will work well. Slower Gen 4 drives may install, but Sony recommends this floor so games load and stream at the speed the console expects.

Third, the cooling and size. Sony requires a cooling structure, a heatsink or heat spreader, on any M.2 SSD installed in the PS5, with total dimensions not exceeding 110mm long, 25mm wide, and 11.25mm tall. That height limit is the one people most often get wrong, because a tall aftermarket heatsink can prevent the cover from closing.

Here are the requirements in one place so you can check a drive's spec sheet at a glance:

Requirement	What the PS5 needs	Common mistake
Interface	M.2 NVMe PCIe Gen 4 x4	Buying a Gen 3 or SATA drive (blocked)
Speed	5,500 MB/s or faster	Picking a slow Gen 4 drive below the floor
Cooling	Heatsink or heat spreader required	No heatsink, or stacking a second one
Height	11.25mm or under (110 x 25mm footprint)	A tall heatsink that blocks the cover
Form factor	2230 to 22110 lengths	Wrong screw position for the drive length

Do you really need a heatsink?

Yes. Sony requires one, and temperature testing backs up why: M.2 drives can run hot inside the PS5's tight bay, and a heat spreader keeps the controller from throttling. The simplest path is to buy a drive that ships with a low-profile heatsink already attached and sized to fit. The Samsung 980 Pro remains a strong pick thanks to a well-designed heatsink and solid write endurance, and the WD_BLACK SN850P is officially licensed by Sony for the console. Both stay within the height limit.

Installing the drive step by step

The process is genuinely quick. You only need a small Phillips screwdriver and a clean, well-lit surface.

1. Make sure your PS5 is updated to the latest system software, then fully power off the console and unplug the power cable. Wait a few minutes for it to cool.
2. Lay the console down and remove the cover by lifting the corner and sliding it off, following the direction shown in Sony's guide.
3. Locate the expansion slot, remove the screw and bracket covering it, and set them aside.
4. Insert your M.2 SSD into the slot at a slight angle, then press it flat and secure it with the screw and spacer in the correct position for your drive's length.
5. Replace the expansion slot cover, slide the console cover back on until it clicks, reconnect power, and boot up.
6. The PS5 will prompt you to format the new drive. Follow the on-screen instructions, and once formatted it is ready to store and run games.

After formatting, you can move installed games to the new drive or set it as the default install location in Storage settings. Games run directly from the expansion SSD at full speed, so there is no need to move titles back to internal storage to play them.

Keeping the console healthy after the upgrade

Adding a drive does not change the console's thermal behavior elsewhere, so keep airflow clear and dust under control, especially in summer. If your console already runs warm, our guide on fixing PS5 overheating shutdowns covers placement and cleaning. For the bigger picture on the platform, our PS5 Pro vs PS5 buying guide helps decide which console to invest in, and the State of Play June 2026 roundup previews the games that will fill that new storage.

What to do right now

Before you buy and install, run this checklist so the drive works on the first try:

• Confirm the drive is Gen 4 NVMe, rated 5,500 MB/s or faster, with a low-profile heatsink under 11.25mm.
• Do not add a second heatsink if the drive already has one.
• Update the PS5 system software to the latest version.
• Power off fully and unplug the console, then let it cool before opening.
• Install the drive at a slight angle, seat the screw in the correct position for its length, and replace both covers.
• Format the drive when prompted, then set it as the default install location in Storage settings.

Frequently asked questions

Can I use any NVMe SSD in my PS5?

No. The drive must be M.2 NVMe PCIe Gen 4 x4 with at least 5,500 MB/s throughput and a heatsink that keeps total height at or under 11.25mm. Gen 3 and SATA drives will not work.

Do I need a heatsink on the SSD?

Yes. Sony requires a cooling structure on any installed M.2 drive. The easiest option is a drive that ships with a low-profile heatsink already attached and within the size limit.

Can I add my own heatsink to a drive that already has one?

No. Sony advises against it, because stacking a second heatsink can reduce the effectiveness of the built-in cooling. Choose a drive with the right heatsink instead of adding one.

Do games run as fast from the expansion SSD?

Yes, as long as the drive meets the speed requirement. Games install to and run directly from the expansion slot at full speed, so you do not need to move them back to internal storage.

The bottom line

Expanding your PS5 is one of the best-value upgrades available: pick a Gen 4 NVMe drive rated at 5,500 MB/s or faster with a low-profile heatsink under the height limit, update your system software, and the install takes under ten minutes. Get the requirements right and you will never see a storage-full message again.