Rockstar has not published GTA 6’s install size. Nobody has an official number, and any site giving you an exact figure to the gigabyte is guessing.

Here is what is worth planning around. Estimates based on comparable Rockstar releases and unverified insider claims land between 150 GB and 200 GB on PS5 and Xbox Series X. Reserve 200 GB and you are covered for the high end plus the day-one patch. Rockstar has patched every launch in its history within the first week, and those patches are rarely small.

The reason to deal with this now rather than in November: digital preload opens on November 12, a week before launch. Preload is the whole point of buying digital. If you have not freed up space by then, you spend launch night watching a progress bar instead of driving through Vice City.

How much space you actually have

Your console’s advertised capacity is not what you get.

Console Advertised Roughly usable
PS5 / PS5 Digital (current) 1 TB ~842 GB
PS5 Pro 2 TB ~1.86 TB
Original PS5 (2020 to 2023) 825 GB ~667 GB
Xbox Series X 1 TB ~802 GB
Xbox Series S 512 GB ~364 GB

Now subtract what you already have installed. A modern shooter runs 100 to 150 GB on its own. Two of those plus a sports title and you are already past half your drive on a 1 TB console.

Series S owners have the worst version of this problem. With around 364 GB usable and a game that may want 150 GB or more, GTA 6 plus one other big title is your entire console. Series S buyers should assume an expansion card is not optional.

PS5: Sony’s exact M.2 requirements

The PS5 has an internal M.2 slot under a removable cover. A drive that goes in there is treated like built-in storage, so GTA 6 runs directly from it with no compromise. This is the upgrade to make.

Sony’s requirements, from PlayStation’s own support page:

  • Interface: PCIe Gen4 x4 M.2 NVMe, Socket 3 Key M. SATA M.2 drives do not work. Gen5 drives work but run at Gen4 speeds.
  • Sequential read speed: 5,500 MB/s or faster recommended.
  • Capacity: 250 GB to 8 TB supported.
  • Form factor: 2230, 2242, 2260, 2280, or 22110. The common one you will find in stores is 2280.
  • Cooling: a heatsink or equivalent heat-dissipation structure is required. Buy a drive with one built in or fit one yourself.
  • Total size including the heatsink: 25 mm wide maximum, 11.25 mm thick maximum, and that thickness splits as up to 8 mm above the board and up to 2.45 mm below it.

That last one catches people. Plenty of PC heatsinks are far too tall for the PS5 bay, so a great drive with the wrong cooler will not physically fit under the cover. Buy the version the manufacturer sells as PS5-ready, or measure before you order.

The speed number catches people too, in a quieter way. The console will let you install and use a drive slower than 5,500 MB/s. It just warns you. For GTA 6 specifically, an open world that streams assets constantly while you drive, I would not go below Sony’s bar to save $20.

Drives that clear the bar

Samsung 990 Pro with Heatsink, 2 TB. Rated around 7,450 MB/s read. The heatsink version is built to PS5 dimensions and this is the least thinking you can do about the problem. It is usually the most expensive of the mainstream picks.

Samsung 990 Pro with Heatsink 2TB

WD_BLACK SN850X with Heatsink, 2 TB. Around 7,300 MB/s read, and the heatsink model is explicitly sold for PS5. Performance is close enough to the 990 Pro that you should just buy whichever is cheaper on the day.

WD_BLACK SN850X 2TB

Samsung 980 Pro with Heatsink, 2 TB. Around 7,000 MB/s read. An older generation, so it goes on sale more often, and it clears Sony’s requirement comfortably. Make sure you are buying the heatsink variant.

Samsung 980 Pro 2TB

Crucial T500 with heatsink, 2 TB. Around 7,400 MB/s read. Usually priced under the Samsung, and the heatsink version fits.

Crucial T500 2TB with heatsink

If none of those are in stock at a price you like, any 2 TB PCIe Gen4 NVMe drive works as long as you check the two numbers that matter: rated sequential read at or above 5,500 MB/s, and a heatsink under 11.25 mm total.

The Crucial P3 Plus is a good value SSD and it is a bad PS5 drive. It is rated around 5,000 MB/s sequential read, which sits under Sony’s recommendation. It shows up in a lot of “cheap PS5 SSD” lists because the price is attractive and it is technically Gen4. Put it in a laptop instead.

The same caution applies to any budget DRAM-less Gen4 drive advertising “up to 5,000 MB/s.” Read the spec sheet, not the marketing bullet.

What size to buy

2 TB is the right answer for almost everyone. It roughly triples your usable space on a 1 TB console, it costs meaningfully less per gigabyte than 4 TB, and it holds GTA 6 plus a dozen other large games.

1 TB is fine if budget is tight and you only keep three or four games installed. Skip 500 GB entirely, because the price difference is small and one big game eats it.

4 TB makes sense if you never delete anything, though the good ones are still expensive and the heatsinked models are harder to find within the PS5’s thickness limit.

What external USB drives can and cannot do

This confuses everybody, so plainly:

On PS5, an external USB drive can store PS5 games but cannot run them. You copy a game to the external drive to park it, then copy it back to internal storage to play. It is a backup shelf, not extra playing space. GTA 6 will not launch from a USB drive. External drives can run PS4 games directly, which is a separate thing.

On Xbox Series X|S, the same rule applies to Series X|S optimized games. To actually play them from expansion storage you need a proper Storage Expansion Card, the Seagate or WD card that slots into the back of the console. External USB drives store and archive only.

So is a USB drive worthless? No. Copying a 150 GB game back from USB takes a few minutes over USB 3.0, while redownloading it takes hours and burns your data. If you are on a slow or capped connection, a cheap external drive is a genuinely useful thing to own. It is just not a replacement for the M.2 upgrade.

Freeing up space without buying anything

You may not need to spend money at all. Before you buy a drive, do this:

Go to Settings, then Storage, and sort your installed games by size. Most people find 200 GB or more of games they have not touched in a year. Delete them. Your saves are in cloud storage if you have PlayStation Plus, and your license does not expire, so you can reinstall any of them later.

Then check game-specific data. Call of Duty in particular lets you uninstall individual modes and campaigns you never play, which can free 50 GB or more without deleting the game.

Clear your capture gallery. Video clips at 4K add up fast and most people have hundreds of them they will never watch. Copy anything you care about to a USB drive first.

If that gets you to 200 GB free, you are done. Spend the money on your TV instead, or on the console decision if you are still choosing one.

Installing the drive: the short version

Power the console down fully and unplug it. Remove the base plate, lift the M.2 cover, and unscrew the spacer. Seat the drive at an angle into the socket, press it flat, and screw it down. Put the cover back, power on, and the PS5 prompts you to format the drive. That takes a few seconds.

Then set the default install location to the M.2 drive, in Settings under Storage, so new downloads go there automatically. This is the step people forget, and then they wonder why their new drive is empty and the console is still full.

You need one Phillips screwdriver and about ten minutes. Doing this does not void your warranty. Sony designed the slot to be user-accessible and documents the process itself.

The November timeline

Working backwards from launch:

Now through October. Delete what you do not play. Decide whether you need an M.2 drive. Buy it during an October sale rather than in November, when demand for PS5 storage will be higher than usual and pricing follows demand.

By November 11. Drive installed and formatted, default install location set, and at least 200 GB free.

November 12. Preload opens. Start the download the moment it goes live, because everyone else on the planet is downloading the same 150 to 200 GB on the same day and Rockstar’s servers will feel it.

November 19. Launch. The game unlocks and you play. No download, no panic.

If you have not pre-ordered yet, that is the other thing to do before November 12, because preload only exists for digital pre-orders. Pre-order GTA 6 for PS5.

We will update this page with the real install size as soon as Rockstar or a store listing confirms it.