Ledger Nano S, Stax & Flex Compared: Features, Security & Value

Ledger is easily the most recognized name in crypto cold storage. For years, it has been the go-to brand for self-custody solutions, earning that reputation through widely adopted devices like the Nano X and Nano S Plus—wallets renowned for their robust security foundations and comprehensive asset support.

But Ledger’s product lineup has evolved. With the introduction of the Ledger Flex and Ledger Stax, the company has taken a clear turn toward prioritizing user experience and design, adding features like E-Ink touchscreens, Bluetooth connectivity, and wireless charging. These newer devices don’t just store your crypto—they aim to make interacting with it smoother, more intuitive, and even more visually appealing.

If you're currently deciding between Ledger’s hardware wallets, this guide will help you figure out which model best suits your needs. Is the baseline S Plus ideal for your needs, or looking cool with a Flex or Stax worth the extra bucks? Read on to find out!

Quick Comparison Table

We’ll get into the weeds of how the three hardware wallets from Ledger stack up against one another, but here is a TL;DR version of the comparison summarized in a table:

Ledger Nano S Plus: The Trusted Classic

The Ledger Nano S Plus, introduced in April 2022, serves as a mid-tier hardware wallet in Ledger's product lineup. It addresses the limitations of its predecessor, the Nano S, by offering enhanced storage capacity and a larger display, while maintaining a more affordable price point compared to the premium Nano X. This device is designed for users seeking robust security features without requiring wireless connectivity or a built-in battery.​

Key Features & Design

• Dimensions & Build: Measuring 62.39 x 17.40 x 8.24 mm and weighing 21 grams, the Nano S Plus is a compact and portable device. Its construction combines a brushed stainless steel cover with a plastic body, providing durability and a sleek appearance.​
• Display: Equipped with a 128x64 pixel screen, it offers improved readability over the original Nano S, facilitating easier navigation and transaction verification.​
• Connectivity: Utilizes a USB-C port for connections to desktop computers and Android smartphones (via an OTG cable). It lacks Bluetooth support and does not have an internal battery, requiring a wired connection for operation.​ 
• Storage Capacity: Supports the simultaneous installation of up to 100 apps.
• Supported Assets: Compatible with over 5,500 cryptocurrencies and tokens. It also supports NFTs on Ethereum and Polygon networks, adhering to ERC721 and ERC1155 standards.​
• Security: Features a CC EAL6+ certified Secure Element chip (ST33K1M5) and operates on Ledger's proprietary BOLOS system, ensuring private keys remain isolated from online threats. Security measures include PIN code protection and a 24-word recovery phrase for backup and restoration.​
• Ledger App Integration: Supports the Ledger Live App for transactions and DeFi, as well as the Ledger Security Key App for 2FA.
• Package Contents: Includes the Ledger Nano S Plus device, a USB-C to USB-A cable, a keychain strap, three recovery sheets, and a setup guide.​

Pros

• Affordability: Priced at $79, it offers a cost-effective solution for secure crypto storage.
• Enhanced Storage: Supports up to 100 apps, allowing for the simultaneous management of multiple assets.​
• Robust Security: Incorporates a high-level security chip and maintains offline storage of private keys.​
• User-Friendly Interface: The Ledger Live app offers an intuitive platform for managing assets and executing transactions.​

Cons

• No Wireless Connectivity: Lacks Bluetooth support, limiting its compatibility with iOS devices.​
• Requires Wired Connection: The absence of an internal battery necessitates a constant wired connection during use. 
• Smaller Display: The screen size is modest compared to higher-end models like the Ledger Stax and Flex.​
• Third-Party Wallet Integration: Certain assets require synchronization with external wallets, such as MetaMask or MyEtherWallet, to ensure full functionality.​

Ideal User Profile

The Ledger Nano S Plus is well-suited for:​

• Basic Users: Individuals looking for a simple but robust storage solution.
• Crypto Enthusiasts: Users managing diverse portfolios
• Security-Conscious Investors: Those prioritizing the offline storage of private keys and robust security features.​
• Budget-Conscious Users: Individuals looking for a balance between functionality and cost

In summary, the Ledger Nano S Plus offers a compelling combination of security, functionality, and affordability, making it a strong choice for users seeking reliable cold storage solutions without premium features.

Ledger Stax: Premium Design Meets Functionality

The Ledger Stax, unveiled at the Bitcoin 2024 Conference during Ledger's 10th anniversary, represents the pinnacle of Ledger's hardware wallet offerings. Designed by Tony Fadell, the creator of the iPod, the Stax combines cutting-edge security features with a sleek, modern aesthetic, catering to users who value both form and function in their crypto storage solutions.

Key Features & Design

• Dimensions & Build: Measuring 85mm x 54mm x 6mm and weighing 45.2 grams, the Stax boasts a credit card-sized profile with a black aluminum body. Embedded magnets allow multiple devices to stack securely, enhancing portability and storage. 
• Display: The standout feature is its 3.7-inch curved E-Ink touchscreen, displaying 16 shades of gray. This always-on display offers excellent readability in various lighting conditions and allows users to personalize the lock screen with their favorite NFTs or images. 
• Connectivity: Equipped with USB-C, Bluetooth 5.2, and NFC capabilities, the Stax ensures seamless integration with 64-bit desktops and smartphones. It also supports wireless Qi charging. 
• Battery Life: The device offers up to 10 hours of active use or approximately 150 transactions on a single charge, thanks to the energy-efficient E-Ink display.​
• Security: Built with a CC EAL6+ certified Secure Element Chip (ST33K1M5) and Ledger's proprietary BOLOS operating system, the Stax ensures private keys remain offline and protected. Additional security features include:
  • PIN protection 
  • 24-word recovery phrase
  • optional Ledger Recover service
  • Protection Mode
  • 2FA and Multi-Signature.​
• Asset Support: Same as the Nano S Plus, up to 5500 cryptocurrencies and NFTs
• Ledger Live Integration: Through the Ledger Live app, users can manage their portfolios, perform transactions, stake supported cryptocurrencies, and interact with decentralized applications. The app is compatible with both desktop and mobile devices.​
• Package Contents: The box includes the Ledger Stax hardware wallet, a USB-C to USB-A cable, a protective Ledger Magnet Shell, recovery sheets, and a quick start guide.​

Pros

• Sleek and Modern Design: The credit card-sized form factor, featuring a curved E-Ink display, offers a premium look and feel.​
• Enhanced User Experience: The large touchscreen simplifies navigation and transaction verification.​
• Wireless Charging Support: Qi compatibility adds convenience for users on the go. 
• High-Level Security: Features a CC EAL6+ certified Secure Element Chip and custom BOLOS operating system.
• Personalization Options: Users can customize the lock screen with their favorite NFTs or images. 

Cons

• High Price Point: At $399, it is more expensive than other Ledger models like the Nano X ($149) and Nano S Plus ($79).​
• Similar Security Level: Although offering advanced features, the core security is comparable to that of more affordable Ledger models.​
• Battery Dependency: The device requires regular charging, which may not be ideal for long-term cold storage without maintenance.​

Ideal User Profile

The Ledger Stax is best suited for:​

• Design-Conscious Users: Individuals who value aesthetics and a premium feel in their hardware wallet.​
• NFT Enthusiasts: Users who appreciate the ability to display and manage their NFTs directly on the device.​
• Tech-Savvy Individuals: Those interested in advanced features like wireless charging, Bluetooth connectivity, and a large touchscreen.​
• High-Volume Traders: Users who require a device that can handle extensive asset management with ease.​

In summary, the Ledger Stax offers a blend of advanced security features and a sleek, modern design, making it an excellent choice for users seeking a premium hardware wallet experience.

Ledger Flex: The New Contender

Launched in July 2024 during Ledger's 10th anniversary, the Ledger Flex is a mid-range hardware wallet designed to offer a balance between advanced security features and user-friendly design. Priced at $249, it sits between the premium Ledger Stax and the more budget-friendly Ledger Nano series, catering to both beginners and experienced users seeking a reliable and secure way to manage their digital assets.

Key Features & Design

• Display: The Ledger Flex features a 2.84-inch, 16-grayscale E-Ink touchscreen, ensuring low power consumption and excellent readability in various lighting conditions. The always-on lock screen can be personalized with favorite NFTs or images, enhancing user engagement. 
• Build & Dimensions: Measuring 78.4 x 56.5 x 7.7 mm and weighing 57.5 grams, the device boasts a solid construction with an aluminum frame and plastic back cover. A distinct metal panel at the bottom provides a practical grip and houses the device's logo. ​
• Connectivity: Equipped with Bluetooth 5.2, USB-C, and NFC supporting integration with desktop and smartphones. ​
• Battery Life: The device's battery supports up to 10 hours of regular use or approximately 150 transactions. 
• Security: It features a CC EAL6+ certified Secure Element chip (ST33K1M5), ensuring that private keys remain securely within the device. It also operates BOLOS.  ​
• Asset Support: Users can manage over 5,500 cryptocurrencies and NFTs. Flex also supports the Ledger Live App.
• Security Features: Includes PIN protection, a 24-word recovery phrase, optional Ledger Recover service for secure backup, and integration with the Ledger Security Key app for 2FA and passkey. ​
• What's in the Box: The package contains the Ledger Flex hardware wallet, a USB-C to USB-C cable, a recovery sheet, and a quick start guide. Note that, unlike the Ledger Stax, it does not come with a protective accessory case.

Pros

• Robust Security: CC EAL6+ certified Secure Element chip and passphrase options, ensuring strong protection for digital assets.​
• User-Friendly Interface: The high-resolution E-Ink touchscreen and intuitive navigation simplify cryptocurrency management. 
• Flexible Connectivity: Offers Bluetooth, USB-C, and NFC connectivity, enhancing compatibility with various devices.​
• Customizable Display: Allows personalization of the lock screen with images or NFTs, even when the device is off. 
• Integration with Ledger Live: Facilitates comprehensive asset management, including staking and interaction with DApps and DeFi platforms.​

Cons

• Higher Price Point: At $249, it is more expensive than some other hardware wallet options, though cheaper than the Ledger Stax.​
• Lacks Wireless Charging: Unlike the Ledger Stax, the Flex does not support wireless charging.​
• Physical Vulnerability: As with all hardware wallets, it can be lost, stolen, or damaged, necessitating careful handling.​

Ideal User Profile

The Ledger Flex is well-suited for:​

• Users Seeking a Balance Between Design and Affordability: Those who desire advanced features like a secure touchscreen and versatile connectivity without the premium price tag of the Ledger Stax.​
• NFT Enthusiasts: Individuals who appreciate the ability to display and manage their NFTs directly on the device's screen.​
• Security-Conscious Users: Those who prioritize robust security features, including a certified Secure Element chip and passphrase options.​
• On-the-Go Users: Individuals who manage their crypto assets on the move, benefiting from the device's compact design and versatile connectivity.​
• Users with Diverse Portfolios: Those managing a wide range of cryptocurrencies and NFTs, requiring support for over 5,500 assets.​

In summary, the Ledger Flex offers a compelling combination of security, functionality, and affordability, making it a strong choice for users seeking reliable cold storage solutions with modern features.

Cold Storage Showdown: Which Ledger Wallet Offers the Best Security?

Ledger has built its reputation on delivering some of the most secure consumer-grade hardware wallets in the crypto space. The integrity of your private keys—and, by extension, your assets—rests heavily on the security of your storage solution. All three wallets in this comparison—Ledger Nano S Plus, Ledger Flex, and Ledger Stax—are designed with security at their core. But which one offers the most secure experience?

Common Ground: Security Architecture Shared by All Three

At a baseline, all Ledger wallets operate as cold storage devices, meaning private keys are stored offline and never leave the physical device. This isolation from internet-connected systems protects users from common threats like malware, phishing, and remote exploits.

Here’s what all three wallets have in common on the security front:

• Secure Element Chip: Each device uses a tamper-resistant Secure Element (SE) chip to store private keys and perform cryptographic operations.
• BOLOS Operating System: All run Ledger’s proprietary BOLOS OS, which isolates applications for enhanced security.
• PIN Protection: Devices are secured by a PIN code and reset after three failed attempts to prevent brute-force attacks.
• 24-word Recovery Phrase: All wallets use a BIP39-standard recovery phrase to restore wallet access in case of device loss or failure.
• Non-Custodial Design: Private keys remain with the user at all times.
• Ledger Live Integration: Transactions are initiated via Ledger Live but must be physically confirmed on the device.
• Independent Certification: All devices are certified by ANSSI (French cybersecurity agency).

These foundational layers already place Ledger devices well above hot wallets or software-based alternatives. However, several distinctions separate the Nano S Plus from the Flex and Stax.

Security Features Comparison Table

Key Takeaways from the Comparison

• Certification Level (EAL): Both Flex and Stax utilize CC EAL6+ certified Secure Element chips, while the Nano S Plus is rated at EAL5+. In practice, this means that newer models underwent a more rigorous certification process; however, EAL5+ is still widely respected and considered secure enough for most users.
• Transaction Verification Clarity: Flex and Stax both offer E-Ink touchscreens that allow users to review transaction details in greater depth before approving. This dramatically reduces the risk of “blind signing” malicious transactions—a known weakness of smaller screen devices like the Nano S Plus.
• Wireless Connectivity: Both Flex and Stax feature Bluetooth and NFC, allowing for wireless syncing with mobile devices. While convenient, some security-conscious users prefer the wired-only Nano S Plus, citing reduced remote attack surfaces.
• Advanced Features:
  • Ledger Flex includes a “Clear Sign-In” feature for reviewing transaction details.
  • Ledger Stax introduces Protection Mode, which automatically locks the device in response to abnormal behavior or tampering attempts.
  • Multi-Sig support is exclusive to the Stax, providing an additional layer of control for shared wallets or high-value assets.
• Ledger Security Key App: All three devices support this app, which extends hardware-level security to online platforms through 2FA and passkey protocols.

Security Verdict: Which One Comes Out on Top?

All three wallets deliver strong, foundational protection, especially in comparison to software wallets. However, when breaking it down:

• Best Raw Security (Air-Gapped): Ledger Nano S Plus is ideal for users who value the simplicity and peace of mind that comes with no wireless connectivity and fewer potential attack surfaces.
• Best Verification Experience: Ledger Flex strikes a balance between security and usability, particularly with its E-Ink touchscreen and Clear Sign-In feature—ideal for users managing multiple assets or interacting with DApps.
• Most Feature-Rich Security Wallet: The Ledger Stax includes additional layers, such as Protection Mode and Multi-Sig, and while its security isn’t drastically better than the Flex, it offers the most comprehensive set of protective options. Stax has the most over-the-top look.

In summary, all three models are highly secure, but each is tailored to a different user profile. For purists, Nano S Plus still holds up as a no-frills fortress. For those who want intuitive security and visual confidence, Flex is the standout. And for those who want it all—with aesthetics, usability, and feature depth—Stax is the premium pick, albeit at a higher price.

UX & Portability: How Easy Are These Devices to Use?

User experience and portability differ substantially across the Ledger models. Factors like screen size, setup flow, mobile support, and battery life can make or break the day-to-day usability of a hardware wallet. Here's how the three models stack up in terms of ease of use.

Setup Experience

Ledger Nano S Plus:

• A simple guided setup on the Ledger Live desktop app.
• While interface is controlled with physical buttons, the process is simple and involves standard wallet initialization steps.
• Works with all operating systems but requires a USB-C wired connection.

Ledger Flex:

• Supports both wired (USB-C) and wireless (Bluetooth) connection. 
• The large touchscreen makes entering the PIN and confirming the recovery phrase significantly more comfortable. 
• The setup process on mobile includes pairing via QR code, streamlining the experience for less tech-savvy users.

Ledger Stax: 

• Mirrors the Flex in setup experience. 
• The larger curved E-Ink screen feels more comfortable and premium

App Compatibility (Ledger Live & 3rd Parties)

Cryptocurrency, NFT, and DApp compatibility is similar for all the devices. All offer native support to over 500 assets via the Ledger Live App, and the rest by connecting with other wallets like MetaMask. The Stax and Flex offer an additional feature of viewing the NFT not supported on the Nano S Plus.

Screen, Battery & Touch Response

Here’s where usability diverges the most.

• Nano S Plus uses a 128x64 pixel OLED screen, navigated with two physical buttons. It’s functional but compact—sufficient for confirming transactions, but it cannot view NFTs. It also has no battery for remote functionality.
• Flex introduces a 2.84-inch grayscale E-Ink touchscreen with capacitive response. The screen offers better clarity and may reduce user error when verifying addresses. It supports up to 10 hours of use or 150 transactions per charge, but does not support wireless charging.
• Stax goes a step further with a 3.7-inch curved E-Ink display that wraps around the back. The larger screen improves readability, especially in bright light. Like Flex, it has a capacitive touchscreen. It supports both USB-C and wireless charging, with similar battery life to Flex—10 hours or around 150 transactions.

Final Thoughts on UX & Portability

• Nano S Plus: Reliable, affordable, familiar, and minimalist. Best for desktop-focused users who don’t need touchscreen comfort or mobile-first setups.
• Flex: Strikes a balance between function and looks. The best pick for users who want enhanced navigation without premium pricing.
• Stax: Offers the most premium user experience with wireless charging and a beautifully designed display. Designed for users who don’t worry about the price tag.

Each device provides a distinct blend of UX and portability—choose based on how often and where you interact with your assets.

Pricing & Value: Which One Is Worth It?

Choosing a Ledger wallet isn’t just about features, it’s about how much you're paying for what you actually need. Each of these devices targets a different type of user, and the price reflects that. Here's how Nano S Plus, Flex, and Stax compare in terms of cost and long-term utility.

Cost Breakdown

• Ledger Nano S Plus: $79
  The Nano S Plus is priced for accessibility. At under $100, it’s one of the most affordable cold wallets that still offers advanced security, DeFi access, and NFT support. It’s particularly attractive to beginners or those with simple storage needs.
• Ledger Flex: $249
  The Flex sits in the middle of Ledger’s lineup. While it’s significantly more expensive than the Nano S Plus, it adds a secure E-Ink touchscreen, Bluetooth, and NFC support. Some listings note temporary discounts (~€207).
• Ledger Stax: $399
  This is Ledger’s premium option. The price tag is steep—and not due to superior security (which is similar to the Flex)—but rather its curved touchscreen, sleek aluminum body, and wireless charging. The value here is in aesthetics and user experience.

Other costs to consider:

• Smartphone cable for Nano S Plus (sold separately).
• Shipping varies by region.
• Ledger Recover, an optional subscription backup service, is available for all three devices but is not included in the retail price.
• Accessories like cases, extra cables, and docks are optional purchases. Notably, the Stax includes a protective magnetic shell; the Flex does not.

Long-Term Value

Despite price differences, all three devices share long-term strengths:

• Security Longevity: All devices use a Secure Element chip and the BOLOS OS—both actively supported with firmware and security updates.
• Software Support: Ledger continues to add Web3 and DeFi integrations, ensuring future-proof relevance.
• Recovery Flexibility: The 24-word seed phrase ensures that users can always restore access on any Ledger model—making the device replaceable, but the phrase essential.

Verdict on Value

• Best Value for Security-First Users: Ledger Nano S Plus
• Best Value for UX and Portability Without Overpaying: Ledger Flex
• Best for Users Who Want Premium Aesthetics: Ledger Stax

Ultimately, your return on investment depends on how much you value usability upgrades over core functionality. From a pure security standpoint, all three are well-equipped—but only the Flex and Stax justify their price with UX enhancements.

Verdict: Best Ledger Wallet for Cold Storage?

Choosing the right model depends on your needs. Here's the final breakdown based on common user profiles:

Most Value for Money: Ledger Nano S Plus

If you want strong security without spending a fortune, the Nano S Plus is the ideal pick. It covers the essentials: robust offline key storage, wide asset support (5,500+), integration with Ledger Live, and compatibility with major third-party wallets. While it lacks a touchscreen or Bluetooth, its simplicity is a strength—it’s hard to beat for under €100.

Best for Power Users: Ledger Flex

For users managing diverse portfolios across NFTs, DeFi platforms, and DApps, the Ledger Flex offers the best balance of security, interface, and flexibility. With its E-Ink touchscreen, Bluetooth/NFC support, and compatibility with both desktop and mobile, it delivers smooth day-to-day usage without compromising cold storage fundamentals. The Flex also includes top-tier CC EAL6+ chip certification and Clear Sign-In for transaction transparency—ideal for users juggling multiple apps and chains.

Best for Security: Ledger Flex

Again, the Flex stands out for mobile-first users. It's compact, Bluetooth-enabled, and pairs well with smartphones via Ledger Live. If portability and accessibility on the move are essential, the Flex delivers without requiring a wired connection—unlike the Nano S Plus.

Best for Long-Term Holders: Ledger Nano S Plus

Long-term holders who prioritize simplicity and air-gapped peace of mind will appreciate the Nano S Plus. Its lack of wireless features appeals to users who want a “set it and store it” solution, especially for large holdings in BTC or ETH that don’t require frequent transfers.

Overall Winner: Depends on Your Priorities

• On a budget and want core security? Nano S Plus
• Want intuitive UX, DeFi access, and mobility? Ledger Flex
• Willing to pay for premium aesthetics and a larger screen? Ledger Stax—but not for security alone.

Your cold storage wallet should match your usage habits, not just your holdings.

Final Thoughts: Should You Upgrade Your Ledger?

Upgrading from the Nano S Plus to a Flex or Stax makes sense if your crypto activity has evolved beyond basic storage. If you're interacting frequently with DApps, NFTs, or managing assets across multiple chains, the larger touchscreen and mobile connectivity of the Flex can significantly streamline your workflow. The Stax, while not offering greater security, adds wireless charging and a premium interface for users who value design as much as function. You can also read Ledger Stax vs Flex for a deeper comparison of the two UX-focused wallets.

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For users with sizable portfolios, having multiple Ledger devices—one for daily use and another as a backup—can add redundancy and peace of mind. This is especially useful if you separate hot DeFi wallets from long-term cold storage.

Ultimately, all three devices are future-proofed through ongoing firmware updates, Ledger Live expansion, and Web3 integration. The best wallet is the one that fits how you store, use, and safeguard your digital assets today—and tomorrow.