Hey there, fellow gamers! If you’re lucky enough to own an ASUS ROG Ally X, you already know the joy of high-performance portable gaming. But let’s be real, even the best handheld device can feel a bit cramped on storage, or maybe you’re just craving even snappier load times. That’s where a solid SSD upgrade comes in, and finding the Lexar best SSD for ROG Ally X (or a top-tier alternative) is key to unlocking its full potential.
The ROG Ally X is a beast, but to keep up with today’s massive game files and lightning-fast action, an internal NVMe SSD upgrade is often essential. We’re talking quicker boot-ups, faster game loading, and more room for your ever-growing game library without constantly deleting titles. While Lexar is a fantastic brand renowned for its reliability and speed, we’ve rounded up a mix of top contenders, including Lexar’s noteworthy options, that truly stand out for the Ally X.
Before we dive into the reviews, a quick heads-up: The ROG Ally X primarily uses an M.2 2230 NVMe SSD. This compact form factor is crucial. Some high-capacity Lexar drives are 2280, which are longer and won’t fit directly. However, we’ll also show you how an adapter can make these larger, often higher-capacity drives an option!
Ready to supercharge your Ally X? Let’s check out the top picks!
fanxiang 1TB M.2 2230 NVMe SSD, PCIe Gen 4×4 Speed

Looking for a direct, high-performance upgrade that fits perfectly into your ROG Ally X? The fanxiang S630 1TB NVMe SSD is a fantastic choice. This little powerhouse offers blazing-fast Gen 4 speeds, ensuring your games load in a flash and your system feels incredibly responsive. It’s built for those who want smooth performance without any fuss, making it a stellar pick for enhancing your handheld gaming experience.
- Blazing-Fast Performance: Up to 5000 MB/s read and 3600 MB/s write speeds.
- Compact M.2 2230 Form Factor: Ideal for space-constrained devices like the ROG Ally X.
- Advanced Thermal Management: Graphene heat dissipation sticker acts as an ultra-thin heatsink.
- Premium 3D NAND Flash: Ensures higher reliability, durability, and a longer service life.
- 5 Years of Reliable After-Sales Support: Backed by a strong warranty.
Pros:
– Excellent speeds for a 2230 form factor.
– Direct fit for ROG Ally X, Steam Deck, and similar devices.
– Effective passive cooling with graphene sticker.
– High-quality components for longevity.
– Strong warranty support.
Cons:
– Maximum speeds might not be achieved if the host device only supports PCIe 3.0 (though ROG Ally X supports Gen 4).
– Graphene heat sink is less robust than a dedicated aluminum heatsink for extreme loads.
User Impressions:
Users frequently praise the fanxiang S630 for its ease of installation and noticeable performance boost. Many ROG Ally and Steam Deck owners highlight its perfect fit and stable operation, appreciating the generous storage capacity and fast data transfer rates for their extensive game libraries. It’s often seen as a reliable and cost-effective upgrade.
Addlink New S91 2TB 2230 NVMe High Performance PCIe Gen4x4

If a terabyte just isn’t cutting it for your sprawling game collection, the Addlink New S91 2TB M.2 2230 NVMe SSD steps up to the plate. This drive is a dream come true for serious gamers who hate deleting games. It doubles your storage while still offering impressive Gen 4 speeds, ensuring you can keep all your favorite titles installed and ready to play at a moment’s notice. It’s definitely a strong contender for the Lexar best SSD for ROG Ally X alternatives, especially if capacity is your top priority.
- Interface/Form Factor: PCIe Gen4x4, M.2 2230, backward compatible with Gen3x4.
- Speed: Read/Write up to 5000/3200MB/s (device dependent).
- Compatibility: Designed for M.2 2230 devices including ROG Ally, Steam Deck, laptops/tablets.
- Features: Supports SLC Caching, HMB (Host Memory Buffer), SMART, TRIM, Thermal Throttling, SmartECC.
- Warranty: Backed by a 5-year limited warranty.
Pros:
– Massive 2TB capacity in a compact 2230 size.
– Excellent Gen 4 performance for a 2230 drive.
– Direct fit for ROG Ally X, no adapters needed.
– HMB and SLC Caching enhance performance and efficiency.
– Good warranty period.
Cons:
– Actual speeds can vary based on device and usage conditions.
– No integrated heatsink, relying on the Ally X’s internal cooling or aftermarket solutions.
User Impressions:
Customers rave about the Addlink S91 for its incredible capacity and seamless integration into handhelds like the ROG Ally X. The ability to store so many games without compromising speed is a huge selling point. Users also appreciate its reliability and the peace of mind that comes with its robust feature set and warranty.
SABRENT Rocket Q4 2230 NVMe SSD 2TB – PCIe Gen4

Sabrent is a name synonymous with high-performance storage, and their Rocket Q4 2230 NVMe SSD lives up to that reputation. If you’re eyeing the Lexar best SSD for ROG Ally X but want another highly-regarded brand known for enthusiast-grade products, this 2TB gem is a fantastic choice. It delivers serious speed and substantial capacity, perfect for transforming your Ally X into an even more formidable portable gaming machine.
- Designed for Tight Spaces: True M.2 2230 form factor, fits Steam Deck, ASUS ROG Ally (with adapter if needed, but for Ally X, it’s a direct fit), Surface Pro.
- Powerful Performance: Up to 5GB/s read and 800K IOPS with Gen4 PCIe interface and Phison E21T controller.
- Massive 2TB Capacity: Store your full game library internally, eliminating external drives.
- Efficient and Reliable: DRAM-less with Host Memory Buffer (HMB) for low power draw and responsive performance.
- Retail Quality You Can Trust: New, fully supported SSD with Sabrent Acronis cloning software.
Pros:
– Top-tier 2230 performance and impressive IOPS.
– Generous 2TB capacity.
– Reliable brand known for quality SSDs.
– HMB support ensures efficient operation.
– Includes valuable cloning software.
Cons:
– Being DRAM-less can sometimes lead to slightly less sustained performance compared to DRAM-equipped drives, though HMB largely mitigates this.
– Phison E21T controller is robust but might not reach the absolute peak speeds of some high-end 2280 controllers.
User Impressions:
Sabrent Rocket Q4 users are consistently impressed with its raw speed and the sheer amount of storage it offers in a 2230 package. It’s a favorite among Steam Deck and ROG Ally owners for its plug-and-play reliability and the significant upgrade it provides to their gaming experience. The included cloning software is also a big plus for many, simplifying the upgrade process.
DATO M.2 2230 SSD 1TB, PCIe Gen 4×4 NVMe Internal

The DATO M.2 2230 SSD is another excellent candidate for your ROG Ally X, especially if you prioritize effective thermal management alongside speed. While many 2230 drives rely on simple graphene stickers, DATO ups the ante with an aluminum heatsink. This commitment to keeping things cool ensures stable performance even during the most intense gaming sessions, making it a reliable choice for your portable powerhouse.
- PCIe 2230 (M Key) Compliant: Perfect fit for ROG Ally, Steam Deck, Surface Pro, and other M.2 2230 devices.
- Aluminum Heatsink: Elevated heat dissipation compared to graphene, ensuring stability and optimal performance.
- ARS430 Speeds: Up to 5000 MB/s thanks to PCIe 4.0 NVMe 1.4, with Thermal Throttling Technology.
- Expand Gaming Library: 3D NAND flash WSP technology for huge capacities (up to 2TB) in a single-sided, thin design.
- 5 Year Guarantee: Deeply valuing user experience, backed by a limited 5-year warranty.
Pros:
– Integrated aluminum heatsink for superior cooling.
– Fast PCIe Gen 4 speeds (up to 5000 MB/s).
– Direct fit for ROG Ally X.
– High-quality 3D NAND for reliability and capacity.
– Solid 5-year warranty.
Cons:
– The 1TB version might feel limited for some heavy gamers compared to 2TB options.
– Aluminum heatsink adds a tiny bit more thickness, though designed to fit.
User Impressions:
Gamers appreciate the DATO SSD for its balance of speed, capacity, and crucially, its effective thermal solution. Many users report excellent sustained performance without throttling, which is vital for long gaming sessions on a handheld. The ease of installation and robust build quality are also frequently highlighted.
Lexar 1TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Internal

Now, for one of Lexar’s entries! The Lexar NM790 is an absolute speed demon, designed for hardcore gamers and professionals. While it’s an M.2 2280 form factor, meaning it won’t fit directly into the ROG Ally X’s 2230 slot, its incredible performance makes it worth considering if you’re willing to use an adapter (which we’ll cover next!). If you’re seeking the absolute peak of PCIe Gen 4 speeds and believe Lexar best SSD for ROG Ally X needs to hit these numbers, the NM790 is a powerhouse.
- Exceptional Performance: Up to 7400MB/s read, 6500MB/s write; 1000TBW, 2x faster than PCIe Gen 3 SSDs.
- Low Power Consumption: Up to 40% less power consumption than DRAM cache-enabled PCIe Gen 4 SSDs.
- Host Memory Buffer (HMB) 3.0: Activates device’s DRAM cache for smoother transfers.
- Designed for Enthusiasts: Ideal for hardcore gamers, professionals, and creators.
- PlayStation 5 Compatible: A testament to its high performance and reliability.
- Five-year limited warranty.
Pros:
– Blazing-fast speeds that push the limits of PCIe Gen 4.
– Excellent endurance (TBW rating).
– Low power consumption for a high-performance drive.
– Strong 5-year warranty from a reputable brand.
Cons:
– M.2 2280 form factor requires an adapter to fit the ROG Ally X.
– No integrated heatsink (though can be purchased separately for 2280 drives).
User Impressions:
Users frequently highlight the NM790’s incredible speed, noting significant improvements in game load times and overall system responsiveness. It’s often praised for its value-to-performance ratio, making it a popular choice for PC and PS5 upgrades. For ROG Ally X users considering an adapter, its power efficiency is a bonus for battery life.
Lexar 4TB Play SSD with Heatsink PCle Gen 4×4 NVMe

Another fantastic Lexar offering, the Lexar 4TB Play SSD with Heatsink, is designed primarily for PlayStation 5 and PC gaming, boasting incredible capacity and speed. Again, this is a 2280 form factor, so it’s not a direct fit for the ROG Ally X. However, if massive storage is your ultimate goal and you’re planning to use an adapter, this drive represents a huge upgrade. For those looking for the ultimate Lexar best SSD for ROG Ally X in terms of sheer capacity, this is it – with the adapter solution, of course!
- Designed for PS5: Tested and approved storage for PS5, ensuring seamless gameplay.
- Blistering Speeds: 7400MB/s max read and 6500MB/s max write speeds for reduced load times.
- Massive 4TB Capacity: Store an enormous game library without worry; 3200TBW endurance.
- Integrated Heatsink: Unique heatsink for effortless installation and enhanced cooling.
- PC Gaming Compatible: HMB and SLC Dynamic cache for improved performance on PCs too.
- Five-year limited warranty.
Pros:
– Phenomenal 4TB capacity.
– Extremely high PCIe Gen 4 speeds.
– Excellent endurance with a high TBW rating.
– Integrated heatsink helps maintain optimal temperature.
– Reputable Lexar quality and 5-year warranty.
Cons:
– M.2 2280 form factor necessitates an adapter for ROG Ally X.
– The integrated heatsink might make adapter installation tricky depending on the adapter design and internal clearance.
User Impressions:
Users are absolutely thrilled with the Lexar Play SSD, particularly its colossal 4TB capacity which means never having to delete games again. The speeds are consistently praised for transforming loading screens into mere blips. Its PS5 compatibility makes it a trusted choice, and for PC gamers, the performance is top-notch. For Ally X users considering this with an adapter, the main concern would be physical fit and thermals, but the sheer capacity is undeniable.
Suckoo for Asus Rog Ally Handheld Conversion 2230 to 2280 Adapter

Alright, we’ve talked about these amazing Lexar 2280 SSDs that don’t fit directly into your ROG Ally X. So, how do you get that massive storage and blistering speed into your handheld? Enter the Suckoo 2230 to 2280 SSD Expansion Board! This clever adapter is the key to unlocking the potential of larger M.2 2280 drives, allowing you to use high-capacity SSDs like the Lexar NM790 or Play SSD in your Ally X. It’s not an SSD itself, but it’s an essential piece of the puzzle if you’re aiming for that high-capacity upgrade with a 2280 drive.
- Purpose: Converts the ROG Ally X’s 2230 slot to accommodate 2280 size NVMe M-Key SSDs.
- Design: 90-degree black design that fits perfectly into the ROG Ally’s body.
- Enhanced Capabilities: Enables higher transfer speeds and larger storage capacity by allowing 2280 drives.
- High-Quality Construction: Utilizes high-quality four-layer resistive board manufacturing materials and immersed gold craftsmanship for stable and reliable performance.
- Compatibility: Supports NVMe M-Key NGFF M.2 PCIE 4.0/3.0 SSD drives.
Pros:
– Enables the use of readily available and often more affordable/higher capacity 2280 SSDs.
– High-quality construction for stable performance.
– Custom-designed 90-degree angle for a good fit in the ROG Ally.
– Expands upgrade options significantly.
Cons:
– Requires careful installation, recommended for users with some technical skills.
– Adds an extra component to the Ally X’s internal setup, potentially impacting airflow slightly (though minimal).
– Doesn’t provide storage itself, it’s an enabler.
User Impressions:
Users who tackle the installation often praise the Suckoo adapter for successfully expanding their ROG Ally’s storage possibilities. Many note its robust build and seamless functionality, allowing them to install much larger and faster 2280 drives. The biggest feedback revolves around the installation process, which requires patience and attention to detail.
Wrapping Up: Choosing Your Ultimate ROG Ally X SSD
There you have it – a comprehensive look at some of the best SSD options for your ASUS ROG Ally X! Whether you’re looking for a straightforward 2230 plug-and-play solution or you’re adventurous enough to utilize a 2280 drive with an adapter for massive storage, there’s a perfect upgrade out there.
While Lexar offers some incredible performance with drives like the NM790 and Play SSD, remember the 2230 form factor for a direct fit. Drives from fanxiang, Addlink, Sabrent, and DATO provide excellent native 2230 solutions. Ultimately, finding the Lexar best SSD for ROG Ally X for your needs (or a top alternative) comes down to balancing speed, capacity, thermal management, and your comfort with installation. Whichever you choose, you’re in for a serious performance boost!
FAQ Section: Your ROG Ally X SSD Upgrade Questions Answered
Q1: What size SSD does the ASUS ROG Ally X use?
A1: The ASUS ROG Ally X primarily uses an M.2 2230 NVMe PCIe Gen 4 SSD. This compact form factor is essential for a direct fit into its internal slot.
Q2: Can I install a 2280 SSD in my ROG Ally X?
A2: Directly, no. The ROG Ally X’s internal slot is designed for 2230 drives. However, you can use a 2230 to 2280 adapter board (like the Suckoo product reviewed above) to make longer 2280 SSDs compatible. This requires a bit more technical skill and careful installation.
Q3: What are the benefits of upgrading my ROG Ally X SSD?
A3: Upgrading your SSD offers several significant benefits:
* Faster Loading Times: Games, applications, and the operating system will load much quicker.
* More Storage Capacity: You can install more games and files without worrying about running out of space.
* Improved Overall Responsiveness: The system feels snappier and more fluid.
* Better Gaming Experience: Less time waiting, more time playing!
Q4: How much capacity do I need for my ROG Ally X SSD?
A4: This largely depends on your gaming habits.
* 512GB: A decent starting point if you play a few games at a time and are okay with managing storage.
* 1TB: A popular choice for most gamers, offering a good balance of capacity and value for a substantial game library.
* 2TB or 4TB: Ideal for hardcore gamers with massive libraries, those who don’t want to delete games, or users who install many large AAA titles.
Q5: What speed should I look for in an ROG Ally X SSD?
A5: For the best performance, look for PCIe Gen 4×4 NVMe SSDs. These offer read speeds typically between 3500 MB/s and 5000 MB/s for 2230 drives, and even higher (up to 7000-7400 MB/s) for 2280 drives with an adapter. While Gen 3 drives will work, Gen 4 maximizes the Ally X’s capabilities.
Q6: Is it difficult to install an SSD in the ROG Ally X?
A6: Upgrading the internal SSD requires opening the device, which involves some small screws and careful handling. If you’re using a direct 2230 replacement, it’s a relatively straightforward process. Installing a 2280 SSD with an adapter adds a layer of complexity. If you’re not comfortable with delicate electronics, consider seeking professional assistance. There are many helpful video guides available online.
Q7: Will upgrading my ROG Ally X SSD void the warranty?
A7: ASUS’s warranty policy can vary by region, but generally, opening the device to perform a user-serviceable upgrade (like an SSD replacement) might not directly void the entire warranty. However, any damage incurred during the upgrade process would not be covered. Always check your local ASUS warranty terms for the most accurate information.
Q8: Why consider Lexar for my ROG Ally X SSD upgrade?
A8: Lexar is a well-established and trusted brand in storage solutions, known for its reliable performance and competitive pricing. While many of their highest-speed, high-capacity drives are 2280 (requiring an adapter for the Ally X), their commitment to quality and impressive speeds makes them a strong contender. Their drives often feature robust endurance ratings and a good warranty, making them a solid investment for long-term gaming.