Alien Isolation 2 Storage Check: What Buyers Verify

Before you pre-order or buy Alien: Isolation 2, the one thing you can verify right now is the official storage requirement, which the publisher lists as 50 GB of free space on PC. That figure comes from the game’s store page and covers the initial install; you will need additional space for day-one patches and any downloadable content. This article explains what that number means in practice, how to check if your system meets it, and what other storage-related factors buyers commonly overlook.

Background: Why Storage Requirements Matter

Modern AAA games routinely ship with large install sizes, and Alien: Isolation 2 is no exception. The original Alien: Isolation (2014) required about 35 GB at launch, so the sequel’s 50 GB minimum reflects higher-resolution textures, more detailed environments, and possibly longer audio files. Storage requirements are not just about fitting the game on your drive; they also affect load times, texture streaming, and whether your system can run the game smoothly. A slow or nearly full hard drive can cause stuttering even if your CPU and GPU meet the recommended specs.

What the Official Storage Requirement Covers

The 50 GB figure is the base install size for the PC version, as listed on the official store page. It includes the game’s core files, but it does not include:

• Day-one patches (often 5–15 GB on top of the base install)
• Downloadable content (DLC) expansions, which can add several gigabytes each
• Optional high-resolution texture packs, which can add 20–30 GB
• Save files and configuration data (usually small, but still take up space)

For consoles, the storage requirement is typically similar, but the actual install size may differ slightly due to platform-specific compression. Always check the specific store listing for your platform (Steam, Epic, PlayStation, Xbox) before purchasing.

How to Check Your Available Storage

Before buying, verify that you have at least 50 GB of free space, and ideally 70–80 GB to accommodate patches and future updates. Here is how to check on each platform:

• Windows PC: Open File Explorer, right-click on the drive where you plan to install the game (usually C:), and select Properties. Look at the “Free spaceâ€� value.
• PlayStation 5: Go to Settings > Storage > Console Storage. The available space is shown at the top.
• Xbox Series X/S: Go to Settings > System > Storage. The free space is displayed for each storage device.
• Steam Deck: Go to Settings > Storage. The available space is shown for the internal drive and any SD card.

If you are close to the limit, consider uninstalling games you no longer play or moving them to an external drive. Remember that the game will also need space for temporary files during installation—usually about double the install size—so having 100 GB free is a safer bet.

Common Storage Misconceptions

One frequent mistake is assuming that the storage requirement listed on the box or store page is the final size. In practice, games expand with updates. For example, many recent AAA titles have grown by 20–30% within the first year after release. Another misconception is that an SSD is optional. While the game will run on a hard disk drive (HDD), the loading times and texture streaming will be noticeably worse. The recommended specs for Alien: Isolation 2 list an SSD as recommended, not required, but for the best experience, an SSD is strongly advised.

How to Choose the Right Drive for Installation

If you have multiple drives, choose the one that best fits your needs:

• NVMe SSD (PCIe 3.0 or newer): Best for fast load times and smooth texture streaming. If you have one, install the game there.
• SATA SSD: Still fast enough, but slightly slower than NVMe. Fine for most players.
• HDD (7200 RPM): Works, but expect longer load times and possible stutter when moving through large areas. Only use if you have no SSD space.
• External drive: Not recommended for this game due to speed limitations, especially on consoles. Use only if you have no internal space.

If you are buying a new drive, aim for at least 1 TB capacity, as modern games average 50–100 GB each. For Alien: Isolation 2, a 500 GB drive will work if you only install a few games, but you will likely run out of space quickly.

Comparing Storage Requirements to Similar Games

To put the 50 GB requirement in perspective, here are the install sizes of other recent survival-horror games:

• Dead Space (2023 remake): ~50 GB
• Resident Evil 4 (2023 remake): ~70 GB
• The Callisto Protocol (2022): ~50 GB
• Alien: Isolation (2014): ~35 GB

So Alien: Isolation 2 is in line with current-gen expectations. If you have played any of these games, you likely have enough space for the sequel.

Costs and Alternatives: Freeing Up Space

If you are short on storage, you have several options:

• Uninstall old games: The simplest and free way to free up space.
• Move games to an external drive: Many platforms allow you to move installed games without re-downloading.
• Use cloud saves: If you have a cloud save service, you can uninstall a game and reinstall later without losing progress.
• Add a new internal SSD: Prices have dropped, and a 1 TB NVMe SSD is affordable for most buyers.
• Use a USB flash drive for small files: Not for games, but it can free up a few gigabytes by moving documents and media.

Remember that you do not need to buy anything to check your storage—just verify the free space before purchase. If you are over the limit, you can decide whether to delete old files or invest in a new drive.

Safety and Accuracy Notes

Storage requirements can change between announcement and release. The 50 GB figure is from the official store listing at the time of writing, but the final release may require more or less. Always check the store page on the day you buy. Also, be aware that some platforms (like Steam) show the required space as the “install size,� but the actual download may be compressed and smaller—you will need the full amount of free space to install, not just to download.

Frequently Asked Questions

Will the game run on a hard drive?

Yes, it will run, but you will experience longer loading times and possible texture pop-in. The recommended specs list an SSD, so for the best experience, use an SSD. If you only have an HDD, make sure it has at least 50 GB free and is defragmented.

Is 50 GB the final install size?

No. The 50 GB is the base install size. Day-one patches and DLC will add more. Expect the game to take up 60–80 GB after a few months of updates. Plan for that.

Can I install the game on an external drive?

On PC, yes, but it is not recommended because USB drives are slower than internal SSDs. On consoles, external drives are supported for playing older games, but for PS5 and Xbox Series X/S, you need an internal drive for the full experience. Check your platform’s specific rules.

How much free space do I need for the download?

The download size may be smaller than 50 GB due to compression, but you need at least 50 GB of free space to install. The platform will also need temporary space for unpacking, so having 70–80 GB free is safer.

Will the game support NVMe SSDs on PC?

Yes, PC games generally support any storage device the OS can see. Using an NVMe SSD will give the fastest load times. There is no special requirement beyond having a compatible motherboard and Windows 10/11.

What if I don’t have enough space after buying?

You can uninstall the game and reinstall later, or move it to another drive. On Steam, you can use the “Move Install Folder� option. On consoles, you can move games to an external drive if supported. You won’t lose your purchase, but you will need to free up space before you can play.

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