Best Selling Memory Cards

Speed Class Rating: UHS-I / Class 10
Read Speed: Up to 45 MB/s
Write Speed: Up to 10 MB/s
Model #: SDC10G2/64GBCR
Item #: 9SIAA4Y7BC8504
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$24^.99

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SANDISK 32GB High Endurance Video microSDHC Card with Adapter for dash cam and home monitoring systems - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQNR-032G-GN6IA

Card type: MicroSD
Speed Class Rating: Class 10
Speed Class Rating: UHS-I / U3 / Class 10 / V30
Read Speed: 100MB/s
Model #: SDSQQNR-032G-GN6IA
Item #: 9SIB4UBKTS0543
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$42^.87

$43.55

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32gb card. It works. What else is there to say?

SAMSUNG EVO Plus 128GB microSDXC Flash Card w/ Adapter Model MB-MC128SA/CA

Part Number: MB-MC128SA/CA
Model #: MB-MC128SA/CA
Item #: N82E16820147895
Return Policy: Extended Holiday Return Policy

$69^.99

Est. Shipping Fee $9.99

Eligible for Free Shipping

(37)

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
Item #: 9SIB4UBKFZ4785
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$99^.51

$156.99

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Lightning fast shipping!

(16)

SanDisk 128GB microSDXC UHS-I for Nintendo Switch, Speed Up to 100MB/s (SDSQXAO-128G-GNCZN)

Speed Class Rating: Class 10
Speed Class Rating: UHS-I
Read Speed: Up to 100MB/s
Write Speed: Up to 90MB/s
Model #: SDSQXAO-128G-GNCZN
Item #: 9SIB4UBKTS0564
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$56^.00

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-works at advertised speed.

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
Item #: 9SIB4UBKFZ5106
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$41^.13

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(80)

SAMSUNG PRO Endurance 256GB microSDXC Flash Card Model MB-MJ256KA/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-MJ256KA/AM
Item #: 9SIBGSHJ9U6763
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$649^.88

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(2)

SANDISK 256GB MAX Endurance microSDXC Card with Adapter for Home Security Cameras and Dash cams - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQVR-256G-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-256G-GN6IA
Item #: 9SIB4UBKTS0563
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$155^.59

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fast shipping

(37)

SanDisk 1TB Extreme microSD UHS-I/U3 A2 Memory Card Speed Up to 190MB/s (SDSQXAV-1T00-GN6MA)

Speed Class Rating: UHS-I / U3 / Class 10 / A2 / V30
Read Speed: 190MB/s
Write Speed: 130MB/s
Model #: SDSQXAV-1T00-GN6MA
Item #: 9SIB4UBKTS0576
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$333^.91

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not much to say, it works great!

SanDisk SDSQUNR-256G-GN3MN 256GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter

Brand: SanDisk
Card type: MicroSD
Part Number: SDSQUNR-256G-GN3MN
Type: microSDXC
Model #: SDSQUNR-256G-GN3MN
Item #: 9SIB4UBKVR8574
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$75^.00

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Netac P500 Extreme Pro Micro SD Card TF Card Flash Memory Card MicroSDXC V30/A1/C10 High Speed Up to 100MB/s Retail Pack with SD Adapter

Card type: MicroSD
Speed Class Rating: UHS Speed Class 3
Speed Class Rating: UHS-I
Read Speed: 100
Model #: NT02P500PRO-512G-R
Item #: 9SIADGEGZR7584
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$99^.99

$10.99 Shipping

SanDisk SDB-032G 32 GB SDHC Class 4 Flash Memory Card - Blue

Card type: Full Size SD
Speed Class Rating: Class 4
Option: N/A
Model #: SDB-032G
Item #: 9SIAGVX7AX5468
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$28^.99

SanDisk SDSQUA4-032G-GN6MN CVL 32GB 8pin microSDHC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDHC Memory Card w/out Adapter

Card type: MicroSD
Speed Class Rating: Class 10
Speed Class Rating: UHS-I / U1 / Class 10 / A1
Read Speed: 120MB/s
Model #: SDSQUA4-032G-GN6MN
Item #: 9SIB4UBKTS5077
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$35^.99

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SanDisk SDSDUNR-128G-GN3IN CYU 128GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card

Card type: Full Size SD
Speed Class Rating: Class 10
Model #: SDSDUNR-128G-GN3IN
Item #: 9SIB4UBKTS0526
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$52^.99

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Lexar 512GB PLAY micro SD Card - Up to 205/140 MB/s - Expanded Storage for Nintendo-Switch 1, Gaming, Smartphones - UHS-I, C10, U3, V30, A2, Full HD, 4K (LMSPLAY512G-BNSNU)

Brand: Lexar
Card type: MicroSDHC
Part Number: LMSPLAY512G-BNSNU
Type: MicroSD
Model #: LMSPLAY512G-BNSNU
Item #: 9SIAP83KTT3734
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$129^.00

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KLEVV Premium MicroSD SDXC Class 10 UHS-I U3 64GB, Black, U064GUC3U14-B, read speed: up to 97MB/s, latest SDA 3.0

Speed Class Rating: Class 10 / UHS-I (U3)
Read Speed: Up to 97MB/s
Write Speed: Up to 55MB/s
Model #: U064GUC3U14-B
Item #: 9SIAA4Y58R4500
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$24^.43

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Kingston MicroSD Canvas Go Plus 200MB/s (SDCG4) Memory Card 128GB

Brand: Kingston
Card type: Micro SD
Series: Standard
Part Number: SDCG4/128GB
Model #: SDCG4/128GB
Item #: 9SIA9H5KU49468
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$59^.99

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Team 256GB APEX SD7.1 Ultra-Fast microSDXC UHS-I/U3 Memory Card, compatible with Nintendo-Switch, Steam Deck, and ROG Ally, Speed Up to 800MB/s (TAPMSDE256GIV30A102)

Brand: Team
Card type: MicroSD
Part Number: TAPMSDE256GIV30A102
Type: microSDXC
Model #: TAPMSDE256GIV30A102
Item #: N82E16820985323
Return Policy: Extended Holiday Return Policy

$71^.99

$129.99

$19.99 Shipping

Real-world read speeds match or rival 256GB SD Express offerings from SanDisk and Samsung. Drastically faster than physical game cartridges, eliminating long loading screens and asset-streaming pop-in. Better sustained write performance and thermals during large game installs compared to high-capacity options like the Lexar 1TB SD Express. Used MarioKart World as a benchmark