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Yes, PS4, PS4 Slim and PS4 Pro support replacing the internal hard drive with a suitable 2.5-inch SATA SSD. These consoles originally shipped with mechanical hard drives, rather than SSDs. An M.2 NVMe drive for PS5 is not a direct replacement for a PS4’s internal drive.
Which SSD fits a PS4?
Choose a 2.5-inch SATA drive no thicker than 9.5mm. Sony‘s original PS4 FAQ specifies a drive larger than 160GB; its PS4 Pro FAQ confirms the 2.5-inch, 9.5mm limit. A 1TB or 2TB SATA SSD is a practical capacity to compare with your game library and budget.
| Drive example | Relevant specification | Buying check |
|---|---|---|
| Samsung 870 EVO 1TB | 2.5-inch SATA, 6.8mm thick; compatible with older SATA interfaces | Confirm the exact capacity, seller and local warranty. |
| Kingston KC600, 2.5-inch version | SATA, 7mm thick; 1024GB and 2048GB options are listed | Choose the 2.5-inch model. The mSATA version is a different form factor. |
These are models with matching published form-factor specifications, not a tested speed ranking or a guarantee for every console. Check current stock and the exact part number. Older MX500 and WD/SanDisk recommendations should also be checked by model rather than brand alone.
Internal SSD or external storage?
An internal SSD replaces the system drive and requires system software reinstallation. It can reduce some game loading and seek times, but results vary. The PS4 Pro supports SATA III; that does not mean it reaches every SSD’s advertised PC speed. Neither console becomes a PS5, and a faster drive does not guarantee more frames per second.
If you mainly need room for more games, consider USB extended storage. Sony lists SuperSpeed USB 5Gbps or later and 250GB–8TB capacity. Connect it directly to the console, not through a hub. Extended storage holds applications and add-ons; it is not where PS4 game saves are stored.
How to replace the drive and keep your saves
- Back up first. Copy saves to suitable USB storage, or check PlayStation Plus cloud saves. A separate full-console backup can also be useful. Do not assume a USB drive formatted as extended game storage is a save backup.
- Find your model. Follow Sony’s replacement instructions for your PS4 or PS4 Pro series. Shut it down fully and disconnect cables before opening the drive bay.
- Swap the drive in its caddy. Keep the mounting parts, fit the SATA SSD and avoid over-tightening the screws.
- Reinstall the system software. Use Sony’s PS4 reinstallation download and USB instructions. Choose the reinstallation file, not the smaller routine update file. Reinstallation clears the target drive.
- Restore and check. Restore the backup or reinstall games, then load a restored save using the same account. Keep the old drive until the new setup works.
Common questions
Does a PS4 already have an SSD?
A standard PS4, Slim or Pro originally came with a hard drive. A previous owner may have replaced it. Check the installed drive if you are buying a used console.
Can I put a PS5 M.2 SSD inside a PS4?
No. PS4’s internal bay needs a 2.5-inch SATA drive. M.2 NVMe and mSATA drives do not fit that connection as direct replacements.
Is an SSD upgrade worth it?
It can be worthwhile when replacing a failing hard drive or improving loading times on a console you still use. Compare the SSD’s price with the console’s remaining use, and spend for capacity and warranty rather than a PC benchmark number.
For the storage basics, see how NAND flash works.