# Steam Deck SSD Upgrades UK: Choose Drives and Compare Costs

Buy Corsair MP600 MINI 2230 2 TB. Our 2 TB internal capacity upgrade in the correct compact format. Choose WD Black SN770M 2230 1 TB. Smaller-budget 1 TB replacement in the same correct format.

Canonical: https://cloudzat.com/uk/steam-deck-ssd/

## The drive to buy

Our pick is Corsair MP600 MINI 2230 2 TB. Our 2 TB internal capacity upgrade in the correct compact format.

The alternative is WD Black SN770M 2230 1 TB. Smaller-budget 1 TB replacement in the same correct format.

Buy the first option for the main use described here. The alternative has a different job: it can reduce the starting cost, hold a larger collection or provide a complete drive without assembly. Keep the exact capacity and contents named on the card when opening the store listing. A product family name can cover several purchases with different capacities and supplied accessories.
Choice | Exact purchase | Buy it for
Our pick | Corsair MP600 MINI 2230 2 TB | Our 2 TB internal capacity upgrade in the correct compact format.
Alternative | WD Black SN770M 2230 1 TB | Smaller-budget 1 TB replacement in the same correct format.

## Our capacity choice for a worthwhile internal upgrade

For an internal Steam Deck storage upgrade, 2 TB is our choice when the goal is to keep a larger game collection available. It is a meaningful capacity increase over the smaller original configurations. Choose 1 TB for a tighter budget or more limited collection, rather than paying for capacity that is unlikely to be used.

Buy the exact compact 2230 variant named above. The WD Black SN770M, Corsair MP600 MINI, Kingston NV3 2230 and Crucial P310 2230 families include relevant choices, but the recommended model and size differ with the local offer. Our pick is the stated country-specific product, not an assumption that every similarly named drive fits.

## 2230 is the important physical distinction

A 2230 SSD is about 30 mm long. A 2242 drive is about 42 mm and a 2280 is about 80 mm. The longer product is not an equivalent Steam Deck purchase merely because the connector looks similar. Choose the appropriate single-sided 2230 module and retain the device's required shielding and fit.

Corsair MP600 MINI and MP600 MICRO are different names for different physical purchases. Kingston NV3 and Crucial P310 also appear in more than one form factor. The NV3 2230 part family and the P310 2230 product code identify the short model. Do not click a cheaper long-format variant and assume the family name is enough.

## Buy space rather than desktop peak-speed claims

A Gen4 SSD can be appropriate through a compatible connection, but the Deck is not a desktop benchmark platform that automatically reaches every number printed on that drive. The biggest practical gain from this purchase is room for more games and system data. A much more expensive short SSD needs a real benefit beyond its headline maximum.

Game frame rate remains tied to the handheld's processing capability and settings. More storage capacity does not turn it into a different graphics device. Choose the cheaper suitable model at the required capacity, with the right physical and electrical fit. The local recommendation above already makes that purchase choice.

## Opening the Deck is optional when only game space is needed

If you do not want an internal replacement, our simpler alternative is a suitable microSD card for additional game storage. It uses the external card slot and avoids replacing the system drive. That is a different installation and performance balance, but it can solve a straightforward capacity problem with less work.

An internal replacement needs the model-appropriate recovery or migration process and preservation of important local data. Valve does not present the internal module as an ordinary user-replacement accessory. Use qualified help if opening the device is outside your comfort level, and remove the microSD card before a supported opening procedure. The purchase should improve usable space without choosing a physically wrong drive.

## Buy enough useful space

Our usual upgrade choice is 2 TB when a game or working library has outgrown the original drive. Choose 1 TB for a smaller collection or a tighter budget. Choose 4 TB only when the collection needs it and the device supports that exact drive. A lower price for half the capacity is not a discount on the larger purchase. The two cards above state the actual capacity so the smaller alternative has a clear purpose.

Storage capacity does not increase RAM or graphics memory. More room lets you keep more files or games installed; it does not by itself make demanding games run at a higher frame rate. Leave room for updates, temporary files and the next project. A drive bought already close to full usually leads to another round of moving or deleting files sooner than expected.

## Keep the complete purchase simple

Buy the exact variant named in our recommendation. Capacity, physical size, cooling and whether a drive is included are part of that choice. A bare enclosure needs an SSD; a complete portable drive does not. A console upgrade may need a correctly fitting heatsink, while a handheld needs the right compact internal drive. An accessory that belongs to a different installation should not be added automatically.

Use the appropriate supplied data cable for an external drive. A charging-only cable cannot carry your files, and a slower cable or dock can limit a faster SSD. Connect directly to the intended device first. If a dock is essential to the setup, use a port that supports the required data mode rather than assuming every USB-C socket provides the same connection.

## Move the files without losing the original

Keep important files in another place before replacing or formatting a drive. Copying files to a new portable SSD can create a second copy; moving the only copy onto it does not. For an internal system replacement, prepare the device's appropriate recovery method or a suitable cloning route before removing the original. Keep the old drive intact until the new installation starts and your important files are present.

Formatting erases the selected volume. Confirm the destination by its capacity and name before accepting an erase screen. After a transfer, open the important files and confirm the expected folders are present before cleaning up the old location. Game downloads can usually be replaced more easily than local saves, personal projects or photographs. Back up those irreplaceable items first.

## When keeping your existing drive is the better choice

Keep a reliable drive that already has enough room and works well with your device. Buy a replacement when you need more space, a different physical fit or a connection your current drive cannot provide. A larger maximum transfer figure alone is a weak reason to replace storage used mostly for ordinary documents or installed games.

For a new purchase, choose the recommended model and capacity above. Use the alternative for its stated reason, such as a smaller budget, a larger collection or a complete kit without assembly. This keeps the decision tied to what you will actually use instead of paying for the largest number on a product box.

### Which option should I buy?

Buy our first named pick for the main use on this page. The second pick serves the specific alternative need stated beside it, rather than being an equally vague recommendation.

### Will a faster SSD increase game frame rate?

Extra capacity and faster transfers are storage benefits. They do not replace a faster processor, graphics chip or more RAM. Buy the correct drive size and useful capacity first.

### Can I reuse my old drive?

Yes, when it is healthy and fits the intended connection or enclosure. Keep its important files backed up, and do not erase it until the replacement is working.

### Do I need every accessory shown in a store?

No. Buy only what this installation requires. Complete portable drives, empty enclosures, PS5 drives and compact handheld upgrades are different purchases.

## Sources
- [iFixit: Steam Deck LCD SSD replacement](https://www.ifixit.com/Guide/Steam+Deck+SSD+Replacement/148989)
- [iFixit: Steam Deck OLED SSD replacement](https://www.ifixit.com/Guide/Steam+Deck+OLED+SSD+Replacement/168255)
- [Sandisk WD_BLACK SN770M](https://www.sandisk.com/products/ssd/internal-ssd/wd-black-sn770m-nvme-ssd?sku=WDS500G3X0G-00CHY0)
- [Corsair MP600 MINI 2TB 2230](https://www.corsair.com/us/en/p/data-storage/cssd-f2000gbmp600mnr2/mp600-mini-2tb-pcie-4-0-gen4-x4-nvme-m-2-2230-ssd-cssd-f2000gbmp600mnr2)
- [Kingston NV3: 2230 and 2280 part numbers](https://www.kingston.com/datasheets/SNV3S_en.pdf)
- [Crucial P310 2230: manufacturer data sheet](https://eu.crucial.com/content/dam/crucial/ssd-products/p310/2230/flyers/b2c/crucial-P310-2230-b2c-product-flyer-en_combination.pdf)

## Offer observations
- Corsair MP600 MINI 2TB M.2 NVMe PCIe x4 Gen4 2 SSD – M.2 2230 – Up to 7,000MB/sec Sequential Read – High-Density 3D TLC NAND – Great for Steam Deck and Microsoft Surface – Black | £326.44 | 2026-11-02T18:23:26+00:00 | https://www.amazon.co.uk/dp/B0D42CPWT8?tag=cloudzat0a-21&linkCode=osi&th=1&psc=1&language=en_GB
- WD_BLACK SN770M NVMe SSD 1TB (Up to 5,150MB/s, M.2 2230, PCIe Gen4, for Asus ROG Ally, Steam Deck, Microsoft Surface for Compatible Laptop Gaming Devices and laptops) POWERED BY SANDISK | £235.99 | 2026-11-02T18:23:26+00:00 | https://www.amazon.co.uk/dp/B0CP626QNM?tag=cloudzat0a-21&linkCode=osi&th=1&psc=1&language=en_GB
- WD_BLACK SN770M NVMe SSD 2TB (Up to 5,150MB/s, M.2 2230, PCIe Gen4, for Asus ROG Ally, Steam Deck, Microsoft Surface for Compatible Laptop Gaming Devices and laptops) POWERED BY SANDISK | £355.34 | 2026-11-02T08:45:00+00:00 | https://www.amazon.co.uk/dp/B0CN17F7XC?tag=cloudzat0a-21&linkCode=osi&th=1&psc=1&language=en_GB
- Corsair MP600 MINI 1TB M.2 NVMe PCIe x4 Gen4 2 SSD – M.2 2230 – Up to 7,000MB/sec Sequential Read – High-Density 3D TLC NAND – Great for Steam Deck and Microsoft Surface – Black | £377.11 | 2026-11-02T18:23:26+00:00 | https://www.amazon.co.uk/dp/B0D9MJCFNK?tag=cloudzat0a-21&linkCode=osi&th=1&psc=1&language=en_GB