USB-C flash drives have become the default portable storage device used in offices, classrooms, and every day of life. But still, when picking up a USB-C flash drive, are you wondering: Which capacity is really right for me? Selecting too small of a capacity means you are out of storage space sometime soon. Selecting too big of a capacity means you might be wasting good space, and possibly money. In this article, we summarize the upsides gained from different USB-C flash drive capacities, from the practical use, storage, and product features perspectives so that you can make the most sure that you select the “just right” storage capacity.

1.32GB USB-C Flash Drive

(1) How much content can a 32GB USB-C flash drive store?

The 32GB capacity is suitable for light users’ daily needs. Specific storage capacities are as follows:

• Photos: Approximately 8,000 images (based on 4MB per JPG photo)
• Documents: Approximately 8,000 files (based on 4MB per Word document)
• Videos: Approximately 8 hours (based on 4GB per hour for 1080p HD video)
• Music: Approximately 8,000 songs (based on 4MB per MP3 track)

(2) Materials and Styles of 32GB USB-C Flash Drives

Materials: Primarily plastic and metal. Some brands offer silicone shockproof models. Plastic versions offer high cost-effectiveness and are suitable for bulk purchases; metal versions feature a premium feel and are ideal for custom business gifts.

• Styles:
  ￮ Twist-off: Capless design prevents loss, ideal for on-the-go use.
  ￮ Keychain: Compact and lightweight, attaches to key rings—perfect for students and commuters.
  ￮ Push-to-open: Dustproof and water-resistant, suitable for outdoor or construction site environments.

Interface Type	Storage Capacity	Photos (4MB/photo)	Documents (4MB/document)	Videos (1080P)	Market Price (USD)
USB-C 3.2 Gen1	32GB	8,000	8,000	8 hours	5-8
Dual Interface (USB-C + USB-A)	32GB	8,000	8,000	8 hours	7-10
USB-C 3.2 Gen2	32GB	8,000	8,000	8 hours	9-12

2.64GB USB-C Flash Drive：the most popular

(1) How much content can a 64GB USB-C flash drive store?

64GB is currently the most balanced capacity on the market, offering both practicality and value:

• Photos: Approximately 16,000 images (calculated at 4MB per JPG photo)
• Documents: Approximately 16,000 files (based on 4MB per Word document)
• Videos: Approximately 16 hours (based on 4GB per hour for 1080p HD video)
• Software installers: Can store about 8 large software packages (e.g., Photoshop, AutoCAD)

(2) Materials and Styles of 64GB USB-C Flash Drives

• Materials: The most popular choice is classic, simple, and elegant metal. Next is cost-effective plastic. Beyond plastic and metal, new premium options include wood and leather finishes, ideal for business gift customization or brand collaborations.
  
• Styles:
  ￮ Encrypted: Supports hardware encryption, suitable for storing sensitive business data.
  ￮ Direct-Plug for Phones: Designed for Android phones, plug-and-play functionality ideal for expanding phone storage.
  ￮ Magnetic: Adheres to computers or metal surfaces for convenient office use.

Interface Type	Storage Capacity	Photos (4MB/photo)	Documents (4MB/document)	Videos (1080P)	Market Price (USD)
USB-C 3.2 Gen1	64GB	16,000	16,000	16 hours	8-12
Dual Interface (USB-C + USB-A)	64GB	16,000	16,000	16 hours	10-15
USB-C 3.2 Gen2	64GB	16,000	16,000	16 hours	13-18

3.128GB USB-C Flash Drive: The Optimal Choice for High-Capacity Needs

(1) How much content can a 128GB USB-C flash drive store?

128GB is ideal for users needing to store large amounts of HD videos, engineering files, or game installers:

• Photos: Approximately 32,000 images (based on 4MB per JPG photo)
• Documents: Approximately 32,000 files (based on 4MB per Word document)
• Videos: Approximately 32 hours (based on 4GB per hour for 1080p HD video) or 8 hours of 4K video
• Games: Can store 2-3 large single-player games (e.g., League of Legends or Genshin Impact installation packages)

(2) Materials and Styles of 128GB USB-C Flash Drives

• Materials: Primarily metal and aluminum alloy, emphasizing heat dissipation and durability for long-term, high-frequency use.
  
• Styles:
  ￮ High-Speed Read/Write: Supports USB 3.2 Gen2 protocol with speeds up to 500MB/s, ideal for professionals.
  ￮ Waterproof/Dustproof: IP68-rated protection for harsh environments like outdoor adventures or industrial sites.
  ￮ Custom Logo: Supports laser engraving or printing of corporate logos, suitable for bulk business gift purchases.

Interface Type	Storage Capacity	Photos (4MB/photo)	Documents (4MB/document)	Videos (1080P)	Market Price (USD)
USB-C 3.2 Gen1	128GB	32,000	32,000	32 hours	15-20
Dual Interface (USB-C + USB-A)	128GB	32,000	32,000	32 hours	18-25
USB-C 3.2 Gen2	128GB	32,000	32,000	32 hours	22-30

4.256GB USB-C Flash Drive: Professional-Grade Storage

(1) How much content can a 256GB USB-C flash drive hold?

256GB represents the mainstream high-capacity standard for USB-C flash drives, ideal for professional photographers, video editors, and enterprise users:

• Photos: Approximately 64,000 images (based on 4MB per JPG) or 16,000 RAW format photos
• Documents: Approximately 64,000 files (based on 4MB per Word document)
• Videos: Approximately 64 hours of 1080p video or 16 hours of 4K video
• Project files: Can store complete design projects, programming code libraries, or film/TV production files

(2) Materials and Styles of 256GB USB-C Flash Drives

• Materials: Primarily full-metal bodies; some high-end models use titanium alloy or carbon fiber for ultimate durability.
  
• Styles:
  ￮ Solid-state performance models: Equipped with SSD controllers delivering read/write speeds exceeding 1000MB/s, comparable to portable SSDs.
  ￮ Encrypted security models: Supports AES 256-bit hardware encryption, meeting enterprise data security standards.
  ￮ Multi-device compatibility models: Simultaneously supports USB-C, USB-A, and Lightning interfaces for seamless use across smartphones, computers, and tablets.

Interface Type	Storage Capacity	Photos (4MB/photo)	Documents (4MB/document)	Videos (1080P)	Market Price (USD)
USB-C 3.2 Gen1	256GB	64,000	64,000	64 hours	30-40
Dual Interface (USB-C + USB-A)	256GB	64,000	64,000	64 hours	35-45
USB-C 3.2 Gen2	256GB	64,000	64,000	64 hours	40-55

Which size of USB-C flash drive is the most popular?

Based on 2025 e-commerce sales data (Amazon, JD.com, Alibaba International) around the world:

1. USB-C 64GB flash drives are the best-selling, with a 42% market share — It has become the best-selling size for the ubiquitous consumer & small-to-medium businesses. It’s an ideal workable compromise between practicality & price for most users. It touches almost all users’ daily usage at home & at work, & because it is fully used without all too much storage space wastage or overkill/redundancy, it is an ideal size for custom bulk orders for giveaways/gifts to business partners/customers.
2. USB-C 128GB flash drives are the second-best selling with 28% of e-commerce sales & are used mostly by professionals (i.e. photographers, graphic designers, etc.) & by college or university students who need large amounts of data storage in a single flash drive for the system of raising complicated projects as class work (for instance architecture or film/TV-related majors).
3. USB-C 32GB flash drives are 20% of e-commerce & are typically given away as trade show promotional items or just as a means of budget temporary file transfer from A to Z and back again.
4. USB-C 256GB flash drives are 10% of e-commerce. This type of manufacturing USB-C drive is aimed primarily at the high-end professional market (i.e. large enterprises).

64GB USB-C flash drives are, at present, the most popular size. The combination between their convenience, affordability and versatility makes them extremely valuable products at this point in time.