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SanDisk 256GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-256G-GN6MA)
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SanDisk 256GB Extreme microSDXC UHS-I/U3 A2 Micro SD Card with Adapter, Speed Up to 190MB/s (SDSQXAV-256G-GN6MA)
  • Speed Class Rating: Class 10
  • Speed Class Rating: UHS-I / U3 / Class 10 / A2 / V30
  • Read Speed: 190MB/s
  • Write Speed: 130MB/s
  • Model #: SDSQXAV-256G-GN6MA
SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA)
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SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 150MB/s (SDSQUAC-512G-GN6MA)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U1 / Class 10 / A1
  • Read Speed: 150MB/s
  • Model #: SDSQUAC-512G-GN6MA
SanDisk 128GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-128G-GN4IN)
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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
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
Team Group 1TB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX1TIV30A103)
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Team Group 1TB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX1TIV30A103)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A1 / V30
  • Read Speed: Up to 100MB/s
  • Write Speed: Up to 50MB/s
  • Model #: TEAUSDX1TIV30A103
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)
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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)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A2 / V30
  • Read Speed: Up to 160MB/s
  • Write Speed: Up to 110MB/s
  • Model #: TPPMSDX1TIA2V3003
Team 128GB 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(TPPMSDX128GIA2V3003)
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Team 128GB 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(TPPMSDX128GIA2V3003)
  • Card type: MicroSD
  • Speed Class Rating: A2 / U3 / UHS-I / V30
  • Read Speed: Up to 160MB/s
  • Write Speed: Up to 110MB/s
  • Model #: TPPMSDX128GIA2V3003
SAMSUNG PRO Endurance 128GB microSDXC Flash Card Model MB-MJ128KA/AM
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SAMSUNG PRO Endurance 128GB microSDXC Flash Card Model MB-MJ128KA/AM
  • Speed Class Rating: UHS-I / U3 / Class 10 / V30
  • Read Speed: Up to 100 MB/s
  • Write Speed: Up to 40 MB/s
  • Model #: MB-MJ128KA/AM
Silicon Power 128GB Superior Pro microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP128GBSTXDU3V20AB)
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  • $13.99 
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Silicon Power 512GB High Endurance UHS-I microSDXC Memory Card with SD Adapter
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Silicon Power
Silicon Power 512GB High Endurance UHS-I microSDXC Memory Card with SD Adapter
  • Brand: Silicon Power
  • Series: High Endurance
  • Type: microSDXC
  • Capacity: 512GB
  • Model #: SP512GBSTXDV3V1HAD
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  • $59.79 
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SanDisk Extreme 64GB microSDXC Flash Memory with Adapter Model SDSQXAH-064G-GN6MA
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SanDisk Extreme 64GB microSDXC Flash Memory with Adapter Model SDSQXAH-064G-GN6MA
  • Speed Class Rating: UHS-I / U3 / Class 10 / A2 / V30
  • Read Speed: 170MB/s
  • Write Speed: 80MB/s
  • Model #: SDSQXAH-064G-GN6MA
Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)
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Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I U3, A1, V30
  • Read Speed: 100MB/s
  • Write Speed: 80MB/s
  • Model #: SP001TBSTXDV3V20SP
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  • $79.79 
  • Free Shipping
SanDisk 32GB Extreme Pro SDHC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 100MB/s (SDSDXXO-032G-GN4IN)
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SanDisk 32GB Extreme Pro SDHC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 100MB/s (SDSDXXO-032G-GN4IN)
  • Brand: SanDisk
  • Series: Extreme Pro
  • Model: SDSDXXO-032G-GN4IN
  • Type: Secure Digital High-Capacity (SDHC)
  • Model #: SDSDXXO-032G-GN4IN
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  • $35.99 
  • Free Shipping
SanDisk 128GB Ultra A1 microSDXC UHS-I/Class 10 Memory Card, Speed Up to 140MB/s (SDSQUAB-128G)
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SanDisk
SanDisk 128GB Ultra A1 microSDXC UHS-I/Class 10 Memory Card, Speed Up to 140MB/s (SDSQUAB-128G)
  • Card type: MicroSD
  • Speed Class Rating: Class 10
  • Read Speed: up to 140 MB/s
  • Option: N/A
  • Model #: SDSQUAB-128G
  • $34.56
  •  
  • $28.71 
  • Save: 16%
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Kingston Canvas Select Plus 128GB (64GB x 2) microSDXC Flash Memory Model SDCS2/64GB-2P1ACR
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Kingston Canvas Select Plus 128GB (64GB x 2) microSDXC Flash Memory Model SDCS2/64GB-2P1ACR
  • Speed Class Rating: UHS-I / U1 / A1 / V10
  • Read Speed: 100 MB/s
  • Model #: SDCS2/64GB-2P1ACR
  • $18.99
  •  
  • $15.99 
  • Save: 15%
  • $5.99 Shipping
Team Group 256GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX256GIV30A103)
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Team Group 256GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX256GIV30A103)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A1 / V30
  • Read Speed: Up to 100MB/s
  • Write Speed: Up to 50MB/s
  • Model #: TEAUSDX256GIV30A103
SAMSUNG EVO Plus 1TB microSDXC Flash Card w/ Adapter Model MB-MC1T0SA/CA
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SAMSUNG
SAMSUNG EVO Plus 1TB microSDXC Flash Card w/ Adapter Model MB-MC1T0SA/CA
  • Brand: SAMSUNG
  • Card type: Micro SDXC
  • Series: EVO Plus
  • Part Number: MB-MC1T0SA/CA
  • Model #: MB-MC1T0SA/CA
SanDisk 256GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-256G-GN4IN)
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SanDisk 256GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXD-256G-GN4IN)
  • Speed Class Rating: UHS-I / U3 / Class 10 / V30
  • Model #: SDSDXXD-256G-GN4IN
SanDisk 32GB Ultra SDHC UHS-I / Class 10 Memory Card, Speed Up to 90MB/s (SDSDUNR-032G-GN6IN)
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SanDisk 32GB Ultra SDHC UHS-I / Class 10 Memory Card, Speed Up to 90MB/s (SDSDUNR-032G-GN6IN)
  • Card type: Full Size SD
  • Speed Class Rating: Class 10
  • Speed Class Rating: UHS-I / U1 / Class 10
  • Read Speed: Up to 90MB/s
  • Model #: SDSDUNR-032G-GN6IN
  •  
  • $27.99 
  • Free Shipping
Team Group 64GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX64GIV30A103)
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Team Group 64GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX64GIV30A103)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A1 / V30
  • Read Speed: Up to 100MB/s
  • Write Speed: Up to 50MB/s
  • Model #: TEAUSDX64GIV30A103
SanDisk 64GB MAX ENDURANCE microSDXC, U3, V30, Memory Card with Adapter for Home Security Cameras and Dash Cams, Speed up to 100MB/s (SDSQQVR-064G-GN6IA)
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SanDisk 64GB MAX ENDURANCE microSDXC, U3, V30, Memory Card with Adapter for Home Security Cameras and Dash Cams, Speed up to 100MB/s (SDSQQVR-064G-GN6IA)
  • Card type: MicroSD
  • Speed Class Rating: Class 10
  • Speed Class Rating: UHS-I / U3 / Class 10 / V30
  • Read Speed: Up to 100MB/s
  • Model #: SDSQQVR-064G-GN6IA
SanDisk 256GB Extreme PRO A2 microSDXC Card UHS-I U3 V30 Read Speed up to 200MB/s for 4K UHD Video (SDSQXCD-256G-GN6MA)
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SanDisk 256GB Extreme PRO A2 microSDXC Card UHS-I U3 V30 Read Speed up to 200MB/s for 4K UHD Video (SDSQXCD-256G-GN6MA)
  • Card type: MicroSD
  • Part Number: SDSQXCD-128G-GN6MA
  • Speed Class Rating: A2 / Class 10 / U3 / UHS-I / V30
  • Read Speed: Up to 200 MB/S
  • Model #: SDSQXCD-256G-GN6MA
256GB Sandisk Ultra microSDXC UHS-I Memory Card A1 CL10 Full HD
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SanDisk
256GB Sandisk Ultra microSDXC UHS-I Memory Card A1 CL10 Full HD
  • Brand: SanDisk
  • Part Number: SDSQUAC-256G-GN6MN
  • Type: MicroSD
  • Capacity: 256GB
  • Model #: SDSQUAC-256G-GN6MN
  •  
  • $53.52 
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SanDisk Class 4 C4 microSDHC micro SD HC SDHC TF Memory Card 16G 16GB SDQM-016G
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SanDisk
SanDisk Class 4 C4 microSDHC micro SD HC SDHC TF Memory Card 16G 16GB SDQM-016G
  • Card type: MicroSD
  • Speed Class Rating: Class 4
  • Option: N/A
  • Model #: SDQM-016G
  •  
  • $23.99 
Verbatim 32GB Secure Digital High-Capacity (SDHC) Flash Card Model 96871
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Verbatim 32GB Secure Digital High-Capacity (SDHC) Flash Card Model 96871
  • Speed Class Rating: Class 10
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: 96871
  • $18.99
  •  
  • $11.99 
  • Save: 36%
  • $7.99 Shipping
Team Group 128GB Expert SD Card UHS-II / U3 / V90 Read/Write Speed Up to 300/260MB/s (TTCSDX128GIIV9001)
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in 30 days
Team Group 128GB Expert SD Card UHS-II / U3 / V90 Read/Write Speed Up to 300/260MB/s (TTCSDX128GIIV9001)
  • Card type: Full Size SD
  • Speed Class Rating: UHS-II / U3 / V90
  • Read Speed: 300MB/s
  • Write Speed: 260MB/s
  • Model #: TTCSDX128GIIV9001
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  • $127.99 
  • $19.99 Shipping
64GB Secure Digital Extended Capacity (SDXC) Memory Card, Class 4 #SDSDB064GB35
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64GB Secure Digital Extended Capacity (SDXC) Memory Card, Class 4 #SDSDB064GB35
  • Card type: Full Size SD
  • Speed Class Rating: Class 4
  • Model #: SDSDB-064G-B35
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  • $15.20 
  • Free Shipping
SanDisk 256GB Extreme Pro SDXC UHS-II Memory Card 300 MB/s - (SDSDXDK-256G-GN4IN)
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SanDisk
SanDisk 256GB Extreme Pro SDXC UHS-II Memory Card 300 MB/s - (SDSDXDK-256G-GN4IN)
  • Brand: SanDisk
  • Card type: Full Size SD
  • Series: Card Only
  • Part Number: SDSDXDK-256G-GN4IN
  • Model #: SDSDXDK-256G-GN4IN
  •  
  • $390.99 
  • Free Shipping
SanDisk Extreme Pro SDXC UHS-I U3 A2 V30 128GB + Adapter, SDSQXCY-128G-GN6MA
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  • $40.42 
  • Free Shipping
Team Group 128GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX128GIV30A103)
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Team Group 128GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX128GIV30A103)
  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A1 / V30
  • Read Speed: Up to 100MB/s
  • Write Speed: Up to 50MB/s
  • Model #: TEAUSDX128GIV30A103
Team 1TB Ultra-Fast microSDXC UHS-I/U3 Memory Card with Adapter, compatible with Nintendo-Switch, Steam Deck, and ROG Ally, Speed Up to 800MB/s (TAPMSDE1TIV30A102)
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  • $359.99
  •  
  • $294.99 
  • Save: 18%
  • $19.99 Shipping
Team Group 512GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX512GIV30A103)
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Team Group 512GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX512GIV30A103)

OUT OF STOCK

  • Card type: MicroSD
  • Speed Class Rating: UHS-I / U3 / A1 / V30
  • Read Speed: Up to 100MB/s
  • Write Speed: Up to 50MB/s
  • Model #: TEAUSDX512GIV30A103

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:

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)
Hugh S.
7/12/2025 1:45:04 PM
Excellent value

“ I was pleased with that and didn't bother to determine whether the SD card was the bottleneck. ”

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)
Kevin M.
6/17/2025 10:32:36 AM
Works great in Steam Deck

“ With smaller capacity SD cards, I swapped between them often, but with this one I rarely need to remove it. ”

Team Group 1TB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX1TIV30A103)
Anonymous
4/19/2025 4:44:47 PM
Among the best micro SD cards

“ Team Group has a good selection of micro SD cards for people's needs. ”

Team Group 128GB Elite microSDXC UHS-I U3, V30, A1, 4K UHD Micro SD Card with SD Adapter, Speed Up to 100MB/s (TEAUSDX128GIV30A103)
John S.
2/22/2025 7:23:50 PM
works with GPS IF....

“ The SD card required to be formatted in Windows before working with a Garmin GPS. ”

Team 32GB microSDHC UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (TUSDH32GCL10U03)
Anonymous
12/28/2024 9:23:05 AM
Love SanDisk, another great product

“ My first 512GB SD card, worked great as expected. ”

SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 150MB/s (SDSDUNC-512G-GN6IN)