Products Description
Our bulk micro SD cards are high read and write speed,and high temerperature resistance for 7×24 continuous reading and writing, and wide compatible for security cameras, 4K drones, dash cams, digital cameras, recorders, and mobile devices. Each piece pass 100% H2testw and H5 testing to kick out fake capacity, bad blocks, and transmission failures.


Supported 4K and 8K video recording, these memory cards deliver consistent read and write speeds for smooth, lag-free footage. Whether used for personal electronics, commercial surveillance, industrial equipment, or large-scale promotional projects, our bulk micro SD cards provide stable performance in harsh environments from −25°C to 85°C. We support full‑range capacity customization from 128MB up to 1TB, with speed grades including Class 4, Class 6, class 10 micro sd card 128gb, U1, U3, A1, A2, V10, V30, V60, and V90 to meet different device requirements.


Material
All our micro SD cards comes with high-grade of industrial plastic for the outer shell, which comes with excellent shock resistance,wear resistance,and high-temperature tolerance. The internal structure uses high-quality 2D/3D QLC, TLC, and pSLC NAND Flash chips from reliable suppliers. The internal PCB board uses FR-4 material with strong anti-interference and heat-dissipation capabilities, supporting stable 7×24 hour operation without overheating or data loss. All materials are environmentally friendly and comply with international standards, including RoHS, CE, FCC, and ISO certifications.


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Memory card material (enviornmently friendly and RoHs,CE,FCC, ISO certificates) |
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High-grade of industrial plastic |
excellent shock resistance, wear resistance,and high-temperature tolerance |
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2D/3D QLC, TLC, and pSLC NAND Flash chips |
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PCB board uses FR-4 material with strong anti-interference and heat-dissipation capabilities, supporting stable 7×24 hour operation without overheating or data loss |
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Appearance & Design
The standard design features a neutral black ultra-compact body with size 15×11×1mm (0.59"×0.43"×0.039"), only 0.4g weight. This standard TF card size fits all micro SD card slots on the market. The surface uses matte treatment to prevent fingerprints and slipping, with rounded edges to avoid scratching devices.
For OEM customers, we support:
- Silk screen printing (one or multiple colors)
- Full color logo printing
- Laser engraving on the back (serial number, origin, code, etc.)
- Customized appearance and color options (black, blue)
The plug and play design requires no drivers or additional software, ensuring immediate use across all compatible devices.


Products Key Features & Advantages
True Capacity & 100% Tested Quality
Every 128 micro sd card passes full capacity testing via H2testw software. No fake capacity, no bad blocks, no data loss – real storage you can trust.


High Speed for 4K Video Recording
micro sd 128gb class 10 supports U3, A1, V30 high speed, with read speeds up to 90MB/s and write speeds up to 30MB/s. It perfectly supports 4K/8K drones, action cameras, and professional video equipment.


Stable 7×24 Continuous Operation
Optimized for long time recording, ideal for security cameras, dash cams, and in car systems. Stable writing performance ensures no broken video or lost footage.
Extreme Environment Resistance
Operating temperature range: −25°C ~ 85°C. Waterproof, shockproof, vibration‑proof, and high‑temperature resistant – suitable for outdoor, automotive, and industrial use.


Full Compatibility
Works with cameras, DVRs, GPS, MP3 players, mobile phones, tablets, drones, gaming devices, POS machines,fiscal printers,and etc.
Customs LOGO Printing
We provide bulk memory card with Custom logos neutral silk,multi-color,or full colorful on front side,and back side with laser engraved content:production serial number,place of origin,identification code and test.
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Bulk Memory card Customs Logo Printing |
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Front side |
Via Neutral silk,multi-color or full colorful printing: Customs logo,Class 4& class 10,memory card, U3 A1 V30 and capacity of 128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB,64GB,128GB,256GB 512GB,1TB. |
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Back side |
Laser engraving on back side: production serial number,place of origin,identification code and etc. |

Custom logos neutral silk,multi-color,or full colorful on front side


Wide capacities with enough space to storage different files,such as music,photos,videos.
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Capacity |
Music |
Photo |
Video |
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256GB |
7680PCS |
4800PCS |
1280 mins |
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128GB |
3840PCS |
2400PCS |
640 mins |
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64GB |
1920PCS |
1200PCS |
320 mins |
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32GB |
960PCS |
600PCS |
160 mins |
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16GB |
480PCS |
300PCS |
80 mins |
High speed classes:There are three kinds of speed classes:"speed class","UHS speed class" and "video speed class".
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Mark |
Minimum Serial Data |
SD/Bus/Mode |
Application |
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UHS Speed Class |
U3 |
30MB/S |
UHS-II/UHS-I |
4K 2K Video Recording |
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U1 |
10MB/S |
Full HD Video Recording HD still image Continuous Shooting |
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Speed Class |
Class 10 |
10mb/s |
High Speed |
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Class6 |
6 mb/s |
Normal Speed |
HD and Full HD Video Recording |
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Class4 |
4mb/s |

Customs packaging: There are individual Plastic Box,and bulk package,50pcs/tray and card board packing with 100x110x3mm. And the card board packing can be in customs design for wholesaler or retailer.

Strong Production Capacity
Monthly output: 2,000,000+ pieces. Trusted by 1,000+ global customers, including Amazon sellers, distributors, and importers.
Warranty Protection
1–2 year limited warranty.
Products Specifications
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Specification Item |
Details |
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Product Name |
Neutral Black Micro SD Card |
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Quality |
True Quality, High Quality, High Speed, Pass H2testw |
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Warranty |
1-Year Standard / 2-Year Optional |
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Capacity |
128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB, 256GB, 512GB, 1TB |
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Class Speed |
Class 6 / Class 10 / UHS‑1 / UHS‑3 |
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Performance Speed |
V90, U3, V60, A1, V30, CLASS10, A2, UHS‑II, Gen3x1 |
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UHS Speed |
U1 (16GB/32GB); U3 (64GB/128GB/256GB/512GB/1TB) |
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Read Speed |
Max 80MB/s |
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Write Speed |
Max 25MB/s |
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MOQ |
2pcs (stock); 50pcs per capacity (custom logo) |
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Product Size |
15111mm / 0.59"*0.43"*0.039" |
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Weight |
0.4g/pc |
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Material |
Plastic |
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Color |
Black, Blue |
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Operating Temperature |
−25°C ~ 85°C |
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Operating Voltage |
2.7V ~ 3.6V |
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Compatibility |
Tablet PC, MP3, Phone, Camera, GPS, DVR, Drone, Smart Devices |

For customized services, we support full in-house production including sorting, testing, laser engraving, programming, silkscreen printing, and full-color printing.
Application Fields
Our bulk micro SD cards are widely used in many industries:
Perfect for surveillance cameras, 4K drones, dash cams, body cams, game consoles, smartphones, tablets, MP3/MP4 players, GPS car recorders, POS machines, fiscal printers, and industrial computers.
Surveillance & Security: 7×24 monitoring cameras, NVR, DVR
Automotive: 4K dash cams, GPS, car electronics
Drones & UAVs: 4K/8K aerial photography
Consumer Electronics: phones, tablets, cameras, MP3 players
Promotional Industry: corporate gifts, promotional products
Education: school teaching materials, preloaded data cards
Real Estate & Construction: project display, digital information cards
Tradeshow & Tourism: portable media storage.
FAQ
Q: Which SD card is best for an Android phone?
A: 128GB Class 10 U3 A1 micro SD card is the best choice for most Android phones, offering fast speed 30MB/s write for 4K video and smooth recording, stable performance and enough storage for apps, photos and videos.
Q: How do I know if my Samsung is 128GB or 256GB?
A: You can check your Samsung's storage size in **Settings > About phone > Storage**, and a **128GB/256GB card with 30MB/s write speed** supports stable 4K video recording.
Q: What is the lifespan of anSD card?
A:Under normal use, a high-quality microSD card typically lasts **5 to 10 years**, depending on usage frequency and storage conditions.
Q: How many photos can I take on a 128GB SD card?
A: A 128GB SD card can store approximately 3,000 to 30,000 photos, depending on the camera's resolution and file size.
Q: Is it OK to leave SD card in all the time?
A: Yes, it is completely safe to leave a high-quality SD card inserted in your device at all times.
Q: Do you support OEM logo and packaging?
A: Yes. Silk-screen, full-color printing, laser engraving, and custom packaging are all supported.
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