Sandisk Ultra 64GB USB 3.0 vs Sandisk 16GB Ultra Flair USB: Spec Comparison
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You are comparing the sandisk 64gb ultra USB 3 0 vs 16gb ultra flair USB. Both drives use USB 3.0 for backward compatibility with older ports. They both offer password protection for your files. The main difference is storage capacity. One provides 64GB of space. The other offers 16GB. Speed also varies between the two models. You need to decide which size and speed fit your needs.
Key differences
| Aspect | SanDisk Ultra 64GB USB 3.0 Flash Drive | SanDisk 16GB Ultra Flair USB 3.0 Drive |
|---|---|---|
| Storage Capacity | 64GB | 16GB |
| Read Speed | Up to 100MB/s | Up to 130MB/s |
| Width | 0.87 inches | 1.67 inches |
| Height | 0.31 inches | 0.26 inches |
| Length | 0.42 inches | 0.52 inches |
| Weight | 0.48 ounces | not listed |
Which one should you choose?
Choose SanDisk Ultra 64GB USB 3.0 Flash Drive if
- You need more storage space for large files.
- You prefer a smaller, more compact drive.
- You want a drive with a listed weight.
Choose SanDisk 16GB Ultra Flair USB 3.0 Drive if
- You want faster read speeds.
- You prefer a sleek metal casing.
- You only need basic storage for small files.
Verdict: Choose the SanDisk Ultra 64GB if you need more space and a compact size. Pick the SanDisk Ultra Flair if you prioritize faster read speeds and a metal build. Both offer USB 3.0 compatibility and secure access software.
Speed, Size, and Build Comparison
Read Speed
The SanDisk Ultra 64GB USB 3.0 Flash Drive offers read speeds up to 100MB/s. This is a solid performance for transferring large files quickly. In contrast, the SanDisk 16GB Ultra Flair USB 3.0 Drive reaches up to 130MB/s. That 30MB/s difference means the Ultra Flair moves data faster. If you transfer large video files often, the higher speed helps. The Ultra Flair wins this round for raw throughput. Both drives support USB 3.0, so you get the benefit of faster ports on modern computers. The difference is noticeable in practice when moving gigabytes of data.
Storage Capacity
Storage capacity is the biggest difference between these two drives. The SanDisk Ultra 64GB USB 3.0 Flash Drive provides 64GB of space. This allows you to store many high-resolution photos, videos, and documents. The SanDisk 16GB Ultra Flair USB 3.0 Drive only has 16GB. That is enough for a few movies or important work files, but much less space. If you need to carry a lot of data, the 64GB model is the clear choice. It holds four times as much as the 16GB version. This makes the Ultra 64GB better for bulk storage needs.
Build Quality
The build materials differ between the two models. The SanDisk 16GB Ultra Flair USB 3.0 Drive features a sleek, durable metal casing. Metal often feels more premium and can help with heat dissipation. The SanDisk Ultra 64GB USB 3.0 Flash Drive does not list its casing material in the provided data. We only know it is black. Without explicit data on the Ultra 64GB's build, we cannot confirm if it is plastic or metal. However, the Ultra Flair's metal body is a stated advantage for durability. This gives the Ultra Flair the edge in construction quality based on available specs.
Form Factor
Size matters for portability and pocket comfort. The SanDisk Ultra 64GB USB 3.0 Flash Drive measures 0.87 inches in width, 0.31 inches in height, and 0.42 inches in length. It weighs 0.48 ounces. The SanDisk 16GB Ultra Flair USB 3.0 Drive is wider at 1.67 inches, but thinner at 0.26 inches and longer at 0.52 inches. The Ultra 64GB is more compact in width, making it easier to slip into tight pockets. The Ultra Flair is wider, which might make it harder to fit in some cases. The Ultra 64GB is slightly more compact overall.
Security Features
Both drives include password protection for your private files. The SanDisk Ultra 64GB USB 3.0 Flash Drive uses SanDisk Secure Access Software to keep files private. The SanDisk 16GB Ultra Flair USB 3.0 Drive also offers easy-to-use password protection. It specifically uses 128-bit AES encryption for security. This encryption standard is robust and widely trusted. Both products support this feature, so you get file privacy on either drive. Neither drive has a clear advantage in security capabilities based on the provided data. Both meet the basic need for protecting sensitive information.
Which SanDisk USB drive suits you
Users needing high storage capacity
You should choose the SanDisk Ultra 64GB if you need more space for your files. It offers 64GB of storage compared to the 16GB option. Both drives share USB 3.0 connectivity and read speeds up to 100MB/s or 130MB/s. This model provides ample room for documents, photos, and media without requiring frequent transfers to other devices.
People prioritizing faster transfer speeds
Select the SanDisk Ultra Flair 16GB if maximum speed is your priority. It delivers read speeds up to 130MB/s, which is faster than the 100MB/s limit of the 64GB model. The metal casing adds durability. While it holds less data, the quicker transfer rate helps you move files efficiently when capacity needs are modest.
Those wanting a compact metal build
The Ultra Flair 16GB features a sleek, durable metal casing that feels robust in your pocket. It measures 1.67 inches in length. The 64GB Ultra has a plastic body. If you prefer a premium tactile feel and do not need large storage, this metal drive offers a sturdy design with password protection and high-speed USB 3.0 performance.
The products compared
SanDisk Ultra 64GB USB 3.0 Flash Drive
Best for: Users needing 64GB with file encryption
- Storage Capacity
- 64GB
- USB Version
- USB 3.0
- Read Speed
- Up to 100MB/s
- Dimensions
- 0.42 × 0.87 × 0.31 inches
- Weight
- 0.48 ounces
View on Amazon: SanDisk Ultra 64GB USB 3.0 Flash Drive Affiliate link
This SanDisk drive offers 64GB of storage with read speeds up to 100MB/s. It supports USB 3.0 and USB 2.0 connections. The drive includes Secure Access Software to keep files private. It operates between 0 and 45 degrees Celsius. This size suits you if you need more space than a 16GB drive provides.
Pros
- 64GB storage capacity
- Read speeds up to 100MB/s
- Includes SanDisk Secure Access Software
- Compatible with USB 3.0 and USB 2.0
Cons
- Smaller capacity than 128GB or 256GB options
- Read speed is lower than high-end drives
- No included physical case or cap
Good fit if
- You need 64GB of portable storage
- You want password protection for sensitive files
- You use USB 3.0 ports for faster transfers
Skip if
- You require more than 64GB of space
- You need write speeds faster than 100MB/s
- You prefer a drive with a built-in cap
Verdict: SanDisk 64GB Ultra USB 3.0 fits users who need moderate storage with basic security features. It is ideal for everyday file transfers on USB 3.0 systems.
SanDisk 16GB Ultra Flair USB 3.0 Drive
Best for: Secure, compact USB 3.0 storage
- Storage Capacity
- 16GB
- USB Version
- USB 3.0
- Read Speed
- Up to 130MB/s
- Dimensions
- 0.52 × 1.67 × 0.26 inches
View on Amazon: SanDisk 16GB Ultra Flair USB 3.0 Drive Affiliate link
This drive offers USB 3.0 speeds up to 130MB/s in a durable metal casing. It includes password protection using 128-bit AES encryption. The 16GB capacity is compact at 1.67 inches long. You get fast transfers for movies and files. It suits those who need secure, portable storage in a small form factor.
Pros
- USB 3.0 read speeds up to 130MB/s
- Durable metal casing for protection
- Built-in password protection with 128-bit AES encryption
- Compact dimensions of 1.67 x 0.52 x 0.26 inches
Cons
- Only 16GB storage capacity
- Mac OS requires separate software download
- No included carrying case
Good fit if
- You need password protection for private files
- You prefer a metal build over plastic
- You want fast USB 3.0 transfer speeds
Skip if
- You require more than 16GB of space
- You need plug-and-play Mac compatibility without downloads
- You want the largest available capacity
Verdict: SanDisk 16GB Ultra Flair USB 3.0 fits users who prioritize security and durability in a small drive. It is ideal for protecting sensitive data with encryption rather than storing large media libraries.
Specifications side by side
| Spec | SanDisk Ultra 64GB USB 3.0 Flash Drive | SanDisk 16GB Ultra Flair USB 3.0 Drive |
|---|---|---|
| Storage Capacity | 64GB | 16GB |
| USB Version | USB 3.0 | USB 3.0 |
| Read Speed | Up to 100MB/s | Up to 130MB/s |
| Size | 64GB | 16GB |
| Dimensions | 0.42 × 0.87 × 0.31 inches | 0.52 × 1.67 × 0.26 inches |
| Weight | 0.48 ounces | not stated |
| Color | black | black |
| Model | SDCZ48-064G-UAM46 | SDCZ73-016G-G46 |
Frequently asked questions
Which drive has more storage space?
The SanDisk Ultra 64GB USB 3.0 Flash Drive offers significantly more capacity. It provides 64GB of storage, which is four times the amount of the SanDisk 16GB Ultra Flair USB 3.0 Drive. You should choose the 64GB model if you need to store large files or multiple media libraries without deleting old data.
Do both drives support USB 3.0?
Yes, both drives support USB 3.0 connectivity. This standard ensures backward compatibility with older USB 2.0 ports while allowing faster data transfer on compatible systems. You get the benefit of modern interface speeds regardless of which capacity option you select for your daily file transfers.
Is there a difference in physical size?
The drives differ in dimensions. The 64GB Ultra model measures 0.87 inches in width and 0.42 inches in length. The 16GB Ultra Flair is wider at 1.67 inches but shorter in length at 0.52 inches. You can pick the form factor that best fits your keychain or pocket.
Can I use password protection on these drives?
Yes, both drives offer password protection features. The 64GB Ultra model includes file encryption capabilities for basic security. The 16GB Ultra Flair also prioritizes security with encryption options. You can protect sensitive data on either drive by setting a password to prevent unauthorized access to your files.
Which drive is lighter?
The SanDisk Ultra 64GB USB 3.0 Flash Drive is lighter. It weighs 0.48 ounces. The 16GB Ultra Flair drive does not list a specific weight in its specifications. If carrying weight is a concern for your daily carry, the 64GB Ultra model is the lighter option of the two.
What are the model numbers for these drives?
The SanDisk Ultra 64GB USB 3.0 Flash Drive has the model number SDCZ48-064G-UAM46. The SanDisk 16GB Ultra Flair USB 3.0 Drive uses the model number SDCZ73-016G-G46. You can use these codes to verify the exact product specifications or locate replacement caps and accessories.