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Patriot Memory 64 GB Class 10/UHS-I (U1) microSDXC - Speed Up to 80MB/S (PSF64GMDC10)
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Patriot Memory 64 GB Class 10/UHS-I (U1) microSDXC - Speed Up to 80MB/S (PSF64GMDC10)
  • Speed Class Rating: Class 10 / U1 / UHS-I
  • Read Speed: 100mb/s
  • Write Speed: 30mb/s
  • Model #: PSF64GMDC10
SAMSUNG EVO Plus 256GB microSDXC Flash Card w/ Adapter Model MB-MC256SA/CA
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Kingston 32GB Industrial microSD UHS-I U3 V30 A1 Memory Card, Includes SD adapter SDCIT2/32GB
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Kingston 32GB Industrial microSD UHS-I U3 V30 A1 Memory Card, Includes SD adapter SDCIT2/32GB
  • Brand: Kingston
  • Card type: MicroSD
  • Series: With Adapter
  • Part Number: SDCIT/32GB
  • Model #: SDCIT2/32GB
Transcend 2GB MicroSD Flash Card Model TS2GUSD
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Transcend 2GB MicroSD Flash Card Model TS2GUSD
  • Speed Class Rating: 30X
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: TS2GUSD
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  • $90.03 
  • Free Shipping
Kingston Canvas React Plus 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/128GB
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Kingston Canvas React Plus 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/128GB
  • Speed Class Rating: UHS-II / U3 / Class 10 / V90
  • Read Speed: 300MB/s
  • Write Speed: 260MB/s
  • Model #: SDR2/128GB
Kingston High Endurance 128GB microSDXC Flash Memory 95R/45W Class 10 A1 UHS-I
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Kingston High Endurance 128GB microSDXC Flash Memory 95R/45W Class 10 A1 UHS-I
  • Speed Class Rating: UHS-I / U1 / Class 10 / A1
  • Read Speed: 95MB/s
  • Write Speed: 45MB/s
  • Model #: SDCE/128GBCR
256GB Transcend 300S SDXC UHS-I U3 V30 SD Memory Card CL10 95MB/sec
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256GB Transcend 300S SDXC UHS-I U3 V30 SD Memory Card CL10 95MB/sec
  • Brand: Transcend
  • Card type: SD
  • Series: UHS-I
  • Part Number: TS256GSDC300S
  • Model #: TS256GSDC300S
Kingston 16GB Industrial microSD UHS-I U3 V30 A1 Memory Card, Includes SD adapter SDCIT2/16GB
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Kingston 16GB Industrial microSD UHS-I U3 V30 A1 Memory Card, Includes SD adapter SDCIT2/16GB
  • Brand: Kingston
  • Card type: MicroSD
  • Series: With Adapter
  • Part Number: SDCIT/16GB
  • Model #: SDCIT2/16GB
PNY Premier 128GB microSDXC Flash Card Model P-SDU128V31100PX-GE
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PNY Premier 128GB microSDXC Flash Card Model P-SDU128V31100PX-GE
  • Speed Class Rating: Class 10 / U3 / V30
  • Read Speed: 1500 IOPS (Read)
  • Write Speed: 500 IOPS (Write)
  • Model #: P-SDU128V31100PX-GE
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  • $75.55 
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SAMSUNG PRO Ultimate 256GB Memory (Server Memory) Model MB-MY256SA/CA
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SAMSUNG
SAMSUNG PRO Ultimate 256GB Memory (Server Memory) Model MB-MY256SA/CA
  • Part Number: MB-MY256SA/CA
  • Type: microSDXC Memory Card
  • Model #: MB-MY256SA/CA
SanDisk Extreme 32 GB CompactFlash
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SanDisk
SanDisk Extreme 32 GB CompactFlash
  • Model #: SDCFXSB-032G-G46
  •  
  • $99.95 
  • Free Shipping
Transcend 256GB 300S microSDXC CL10 V30 A1 Memory Card with SD Adapter
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Transcend 256GB 300S microSDXC CL10 V30 A1 Memory Card with SD Adapter
  • Brand: Transcend
  • Card type: Micro SD
  • Series: 256GB
  • Part Number: TS256GUSD300S-A
  • Model #: TS256GUSD300S-A
SAMSUNG PRO Ultimate 128GB Memory (Server Memory) Model MB-MY128SA/CA
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SAMSUNG
SAMSUNG PRO Ultimate 128GB Memory (Server Memory) Model MB-MY128SA/CA
  • Part Number: MB-MY128SA/CA
  • Type: microSDXC Memory Card
  • Model #: MB-MY128SA/CA
256GB Transcend CFexpress 820 Type B Memory Card 1700MB/s Read 1300MB/sec Write
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256GB Transcend CFexpress 820 Type B Memory Card 1700MB/s Read 1300MB/sec Write
  • Brand: Transcend
  • Card type: CFexpress
  • Series: Support 4K
  • Part Number: TS256GCFE820
  • Model #: TS256GCFE820
Kingston Canvas React Plus 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/64GB
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Kingston Canvas React Plus 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/64GB
  • Speed Class Rating: UHS-II / U3 / Class 10 / V90
  • Read Speed: 300MB/s
  • Write Speed: 260MB/s
  • Model #: SDR2/64GB
Transcend 8GB Secure Digital High-Capacity (SDHC) Flash Card Model TS8GSDHC10
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Transcend 8GB Secure Digital High-Capacity (SDHC) Flash Card Model TS8GSDHC10
  • Speed Class Rating: UHS-1/Class 818
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: TS8GSDHC10
Transcend 300s 128GB Class 10/UHS-I U3 microSDXC with Adapter TS128GUSD300SA
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Transcend 300s 128GB Class 10/UHS-I U3 microSDXC with Adapter TS128GUSD300SA
  • Brand: Transcend
  • Card type: Micro SDXC
  • Series: UHS-I
  • Part Number: TS128GUSD300S-A
  • Model #: TS128GUSD300S-A
Kingston Canvas Select Plus 128GB microSDXC Flash Card w/ Adapter Model SDCS2/128GBCR
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Kingston Canvas Select Plus 128GB microSDXC Flash Card w/ Adapter Model SDCS2/128GBCR
  • Card type: Full Size SD
  • Speed Class Rating: UHS-I / U1 / A1 / V10
  • Read Speed: 100MB/s
  • Option: N/A
  • Model #: SDCS2/128GBCR
  •  
  • $113.62 
  • Free Shipping
Transcend 64 GB SDXC
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Transcend 64 GB SDXC
  • Speed Class Rating: Class 10/UHS-II (U3)
  • Model #: TS64GSDC700S
TRANSCEND TS32GSDC300S 32GB UHS-I U1 SD CARD
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Kingston Canvas Go! Plus 128 Gb Class 10/Uhs-I (U3) Microsdxc
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Kingston Canvas Go! Plus 128 Gb Class 10/Uhs-I (U3) Microsdxc
  • Brand: Kingston
  • Card type: MicroSD
  • Series: Canvas Go!
  • Part Number: SDCG3/128GB
  • Model #: SDCG3128GB
KINGSTON SDS2128GB SD MEM CARD,128GB,UHS-I
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KINGSTON SDS2128GB SD MEM CARD,128GB,UHS-I
  • Brand: Kingston
  • Card type: Full Size SD
  • Series: Canvas Select Plus
  • Part Number: SDS2/128GB
  • Model #: SDS2/128GB
SAMSUNG PRO Ultimate 512GB Memory (Server Memory) Model MB-MY512SA/CA
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SAMSUNG
SAMSUNG PRO Ultimate 512GB Memory (Server Memory) Model MB-MY512SA/CA
  • Part Number: MB-MY512SA/CA
  • Type: microSDXC Memory Card
  • Model #: MB-MY512SA/CA
Avaya 700469851 1408 Standard Phone - Black
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  •  
  • $95.99 
  • $25.00 Shipping
128GB UHS-I U3 SD CARD
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128GB UHS-I U3 SD CARD
  • Card type: Full Size SD
  • Speed Class Rating: Class 10
  • Parts: 5 Years
  • Labor: 5 Years
  • Model #: TS128GSDC300S
Kingston Canvas React Plus 256GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/256GB
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Kingston Canvas React Plus 256GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDR2/256GB
  • Speed Class Rating: UHS-II / U3 / Class 10 / V90
  • Read Speed: 300MB/s
  • Write Speed: 260MB/s
  • Model #: SDR2/256GB
Axiom 16gb Ddr4-2666 Ecc Sodimm For Synology - D4ecso-2666-16g
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Kingston SDXC Canvas Go Plus (SDG4) Flash Memory Card 64GB
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Kingston SDXC Canvas Go Plus (SDG4) Flash Memory Card 64GB
  • Brand: Kingston
  • Card type: SDXC
  • Capacity: 64GB
  • Model #: SDG4/64GB
512GB MICROSDXC CANVAS SELECT
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512GB MICROSDXC CANVAS SELECT
  • Brand: Kingston
  • Card type: MicroSD
  • Series: Canvas Select Plus
  • Part Number: SDCS2/512GB
  • Model #: SDCS2/512GB
Kingston Canvas Select Plus 128GB microSDXC Memory (Flash Memory) Model SDCS2/128GBSP
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Kingston Canvas Select Plus 128GB microSDXC Memory (Flash Memory) Model SDCS2/128GBSP
  • Speed Class Rating: UHS Speed Class 1
  • Speed Class Rating: A1 / U3 / UHS-I / V30
  • Read Speed: 100MB/s Read,
  • Write Speed: 85MB/s Write
  • Model #: SDCS2/128GBSP
Kingston Canvas Go! Plus 128GB microSDXC Flash Card w/ Adapter Model SDCG3/128GBCR
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Kingston Canvas Go! Plus 128GB microSDXC Flash Card w/ Adapter Model SDCG3/128GBCR
  • Speed Class Rating: UHS-I / U3 / A2 / V30
  • Read Speed: 170MB/s
  • Write Speed: 90MB/s
  • Model #: SDCG3/128GBCR
Kingston Canvas Go! Plus 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDG3/128GBCR
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Kingston Canvas Go! Plus 128GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDG3/128GBCR
  • Speed Class Rating: UHS-I / U3 / Class 10 / V30
  • Read Speed: 170MB/s
  • Write Speed: 90MB/s
  • Model #: SDG3/128GBCR

Flash Memory

Flash memory offers non-volatile data storage and thus is capable of retaining it's data even when it's power source has been turned off. This makes it ideal for devices such as digital cameras where batteries go dead often. With being able to retain data even when power is lost you can rest assured that all your pictures will still be kept safe on the memory card. Examples of flash memory cards include Secure Digital (SD) memory cards, Compact Flash (CF) memory cards, and Sony's Memory Sticks (MS, M2, MS Duo, MS Pro, and MS Pro Duo) to name a few. Other examples of proprietary and permanent flash memory devices include memory cards for video gaming systems.

The Benefits of Flash Memory

Flash memory is extremely small, fast, lightweight, and makes no noise or have any moving parts, unlike hard drives. However, hard disks can hold considerably more data and its cost per megabyte is much cheaper although prices are quickly dropping as capacity grows larger for flash devices daily. Yet flash memory is quite reliable and allows you to specify which data you want to keep.

USB flash drives are known as the floppy disks of the 21st century. You can see people walking around with them dangling from key chains, backpacks, and even around their necks. These are more resistant to physical abuse than the media cards used in digital cameras.

They're also an improvement over optical storage like CDs and DVDs, which are easily scratched. Prices of the drives have come down so much that many companies give them to clients instead of printing reports and wasting paper and ink. In some schools, students are required to have them. At Newegg, we stock a wide variety of flash memory. Browse our site to find the lowest prices on the flash memory you want.

Bestselling Memory Cards Reviews:

j b.
3/9/2026 1:07:10 AM
Exactly what I was looking for.

“ These micro SD cards work as they should, they're very inexpensive and, so far, they're fine. ”

Team 32GB microSDHC UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (TUSDH32GCL10U03)
Vann L.
11/26/2025 1:19:10 PM
Team sd card 32gb

“ Its a sd card they work I am happy this was a free one. ”

Team 32GB microSDHC UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (TUSDH32GCL10U03)
E. Thurston Crandish
11/19/2025 8:26:03 PM
It's an SD card

“ needed SD cards for camera. ”

Team Group 128GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX128GIV30A103)
Nathaniel Greenwood
8/20/2025 7:31:50 AM
Great SD card for Steam Deck!

“ Definitely recommend for use case in Steam Deck or other hand held gaming system! Can't really attest to speed of card, as it's highly dictated by the actual SD card slot you're using it in. ”

Team 1TB Pro+ microSDXC UHS-I/U3 Class 10 Memory Card with Adapter, compatible with Nintendo-Switch, Steam Deck, and ROG Ally, Speed Up to 160MB/s (TPPMSDX1TIA2V3003)
Teddy A.
8/12/2025 8:55:39 AM
Great price & great product

“ If you need a micro SD card this is hands down the best priced and excellent quality I am using it on our remote security cameras and it has exceptionally great video playback quality ”

Team Group 128GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX128GIV30A103)
Kevin M.
6/17/2025 10:34:56 AM
Team Group is worth it if you're on a budget

“ Got this as an extra SD card for my Steam Deck. ”

Team Group 256GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX256GIV30A103)