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Single Chip Usb Flash

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Overview

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Wikipedia
Sandisk
23 来源

The "single chip USB flash" terminology primarily refers to UDP (USB Disk in Package) or COB (Chip-on-Board) technology. These designs integrate the NAND flash, controller, and passive components into a single, solid-state module Mordorintelligence.

Product Insights & Architecture

Single-chip designs have fundamentally reshaped the "mini" and "promotional" USB segments due to their unique properties:

  • Durability: Unlike traditional PCBA (Printed Circuit Board Assembly) which uses multiple surface-mounted components, single-chip UDP modules are fully encapsulated, making them waterproof, shockproof, and dustproof MordorintelligenceHardforum.
  • Thermal Limitation: Because of their high density and lack of surface area, single-chip drives dissipate heat poorly. In high-speed USB 3.0+ scenarios, they are prone to thermal throttling, significantly reducing write speeds during large file transfers MordorintelligenceQuora.
  • Sourcing Dynamics: These modules are often sold "naked" (without casings) to assemblers. Current market prices for bulk UDP chips in 2026 range from $0.69 to $17.00 depending on capacity and interface AlibabaAlibaba.

Udp Usb 3.0 Flash Drive Chip 64gb 128gb 256gb

Products · 3 lists

KDATA Promotion USB Pendrive Factory Provide Free Sample Memory Stick Custom Logo Engraved Card USB 64GB 128GB USB Flash Drive

KDATA Promotion USB Pendrive Factory Provide Free Sample Memory Stick Custom Logo Engraved Card USB 64GB 128GB USB Flash Drive

$1.51-5.324.6(848)
MOQ: 50 pieces
USB flash driveUDP chipUSB 3.064GB or 128GB or 256GB
Shenzhen Jintian Tech Development Co., Ltd.Shenzhen Jintian Tech Development Co., Ltd.verified🇨🇳CN18 yrs
USB3.2 Gen 1 High-Speed Flash Drive Pendrive Memory Stick 32GB 64GB 128GB 256GB 512GB 1TB Storage Options USB 3.0 Interface New

USB3.2 Gen 1 High-Speed Flash Drive Pendrive Memory Stick 32GB 64GB 128GB 256GB 512GB 1TB Storage Options USB 3.0 Interface New

$6.91-37.794.6(423)
MOQ: 1 piece
USB flash driveUSB 3.064GB or 128GB or 256GB400+ store reviews12% reorder rate200+ views from America
Dm Life Technology Co., Ltd.Dm Life Technology Co., Ltd.🇨🇳CN8 yrs
Original for SAMSUNG 3.1 USB 16GB 32GB Pen Drive 256GB 64GB 128GB Metal Mini USB Flash Drive Memory Stick Storage Device U Disk

Original for SAMSUNG 3.1 USB 16GB 32GB Pen Drive 256GB 64GB 128GB Metal Mini USB Flash Drive Memory Stick Storage Device U Disk

$2.63-6.034.4(216)
MOQ: 10 pieces
USB flash driveUSB 3.064GB or 128GB or 256GB300+ store reviews15% reorder rate≤3h response time
Shenzhen Shine Technology Co., Ltd.Shenzhen Shine Technology Co., Ltd.🇨🇳CN7 yrs
Secure USB 3.0 Flash Drive with Hardware Password Encrypted 32GB 64GB 128GB & 256GB Capacity Memory Stick Encryption Pen Drive

Secure USB 3.0 Flash Drive with Hardware Password Encrypted 32GB 64GB 128GB & 256GB Capacity Memory Stick Encryption Pen Drive

$23.99-69.995.0(92)
MOQ: 1 piece
USB flash driveUSB 3.064GB or 128GB or 256GB22% reorder rate≤1h response time
Foshan Xiaolei Technology Co., Ltd.Foshan Xiaolei Technology Co., Ltd.🇨🇳CN1 yr
128gb 64gb 32g 16gb Flash Drive Usb 2.0 3.0 Pen Drive Computer Used Usb Flash Drive Stick

128gb 64gb 32g 16gb Flash Drive Usb 2.0 3.0 Pen Drive Computer Used Usb Flash Drive Stick

$1.60-3.904.8(287)
MOQ: 50 pieces
USB flash driveUSB 3.064GB or 128GB or 256GB1300+ store reviews21% reorder rate≤2h response time
Guangzhou Ronc Electronic Technology Co.,ltdGuangzhou Ronc Electronic Technology Co.,ltdverified🇨🇳CN18 yrs
Usb 3.0 Flash Drive 128gb 64gb 32gb 16gb Memory Stick Pen Drives Flashdisk U Disk Storage Device 256gb 512gb

Usb 3.0 Flash Drive 128gb 64gb 32gb 16gb Memory Stick Pen Drives Flashdisk U Disk Storage Device 256gb 512gb

$2.804.2(502)
MOQ: 2 pieces
USB flash driveUSB 3.064GB or 128GB or 256GB200+ store reviews6% reorder rate≤4h response time
Shenzhen Baihang Technology Co., Ltd.Shenzhen Baihang Technology Co., Ltd.🇨🇳CN1 yr
Large Capacity 3.1 USB Flash Drive with 1TB to 2TB 32GB to 128GB Pendrive Flashdisk Support Custom Logo

Large Capacity 3.1 USB Flash Drive with 1TB to 2TB 32GB to 128GB Pendrive Flashdisk Support Custom Logo

$4.684.6(931)
MOQ: 1 piece
USB flash driveUSB 3.064GB or 128GB or 256GB50+ store reviews16% reorder rate≤2h response time
Shenzhen Zhiming Communication Technology Co., Ltd.Shenzhen Zhiming Communication Technology Co., Ltd.verified🇨🇳CN4 yrs
256G Fingerprint Encryption Metal USB 3.0 Type-C USB Flash Drive Large Capacity Dual-use for Mobile Phone Computer for 1-Year

256G Fingerprint Encryption Metal USB 3.0 Type-C USB Flash Drive Large Capacity Dual-use for Mobile Phone Computer for 1-Year

$15.11-594.0(766)
MOQ: 50 pieces
USB flash driveUSB 3.064GB or 128GB or 256GB50+ store reviews9% reorder rate≤2h response time
Shenzhen Mingyang Smart Home Co., Ltd.Shenzhen Mingyang Smart Home Co., Ltd.🇨🇳CN1 yr
Wholesale Promo Mini Metal USB Stick 2GB 4GB 8GB 16G 32G 64 128gb Custom Logo Portable USB Flash Drives for Thank You Gifts

Wholesale Promo Mini Metal USB Stick 2GB 4GB 8GB 16G 32G 64 128gb Custom Logo Portable USB Flash Drives for Thank You Gifts

$2.16-9.434.7(230)
MOQ: 2 pieces
USB flash drive64GB or 128GB or 256GB
Shenzhen Zsuit Technology Co., Ltd.Shenzhen Zsuit Technology Co., Ltd.verified🇨🇳CN7 yrs

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Sources & References

23 sources cited · Verified industry data & reports

USB flash drive

Wikipedia

A USB flash drive [note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, ...

Understanding USB Flash Drives: Benefits, Specifications ...

Sandisk

USB flash drives — also known as thumb drives or pen drives — are compact, portable data storage devices that use flash memory to store information.

TIL the world's first single-chip USB flash drive was ...

Reddit · r/TodayILearnedMY

Shanghai scientists create computer chip in fiber thinner than a human hair, yet can withstand crushing force of 15.6 tons — fiber packs 100,000 ...

USB flash drive | Definition, History, & Facts

Encyclopedia Britannica

One or more flash memory chips are fastened to the board. These memory chips determine the storage capacity of the drive. A small microcontroller chip manages ...

Single chip USB flash drive IC Recommendations (if any?)

All About Circuits

Looking for a single-chip USB flash drive IC. By single chip, I mean no more than one IC + capacitor + 2 resistors. Any more involved than that and it will be ...

USB Flash Drives: Components, Uses, and Myths Dispelled

University Corporation for Atmospheric Research (UCAR)

A typical USB flash drive includes a USB connector, a mass storage controller, one or more flash memory chips, and a crystal oscillator, as well ...