SD Cards

Ranked by price per gigabyte

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301

SanDisk Extreme SDSDXVV-512G-ANCIN 512 GB Class 10/UHS-I (U3) V30 SDXC - 180 MB/s Read - 130 MB/s Write SDSDXVV-512G-ANCIN

SanDiskNeweggSD Card

Capacity

512GB

Price

$209.99

$/GB

$0.410

302

Kingston 64GB MicroSDXC UHS-I/U1 Class 10 Memory Card (SDC10G2/64GBSP)

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.25

$/GB

$0.410

303

Kingston 64GB microSD Extended Capacity (microSDXC) Flash Card

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.25

$/GB

$0.410

304

Kingston 64GB microSDHC Canvas Select Plus 100MB/s Read A1 Class 10 UHS-I Memory Card + Adapter (SDCS2/64GB)

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.35

$/GB

$0.412

305

Kingston Canvas Select 64GB microSDXC Memory (Flash Memory) SDCS/64GBCR

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.45

$/GB

$0.413

306

SANDISK - Extreme PLUS 128GB SDXC UHS-I Memory Card

SanDiskBest BuymicroSD
240 / 120MB/s

Capacity

128 GB

Price

$52.99

$/GB

$0.414

307

SANDISK - Extreme PLUS 128GB MicroSDXC UHS-I Memory Card

SanDiskBest BuymicroSD
250 / 120MB/s

Capacity

128 GB

Price

$52.99

$/GB

$0.414

308

SanDisk Ultra 64GB 64G 64G SD SDHC 80MB/S Class 10 Memory Card For Canon

SanDiskNeweggSD Card

Capacity

64GB

Price

$26.55

$/GB

$0.415

309

512GB Transcend CFexpress 820 Type B Memory Card 1700MB/s Read 1300MB/sec Write

TranscendNeweggSD Card

Capacity

512GB

Price

$212.70

$/GB

$0.415

310

Night Owl FWR864GBF84L Expandable Wi-Fi 4K Security System - White

NightNeweggSD Card

Capacity

864GB

Price

$359.99

$/GB

$0.417

311

SanDisk Extreme PLUS 128GB MicroSDXC UHS-I Memory Card SDSQXBD-128G-AN6MA

SanDiskNeweggmicroSD

Capacity

128GB

Price

$53.41

$/GB

$0.417

312

SanDisk 64GB Ultra SDXC UHS-I Memory Card - 100MB/s, C10, U1, Full HD, SD Card

SanDiskAmazonSD Card

Capacity

64 GB

Price

$26.71

$/GB

$0.417

313

Kingston Canvas Select Plus 64GB microSDXC Memory (Flash Memory) Model SDCS2/64GBSP

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.75

$/GB

$0.418

314

Verbatim 44024 Class 10 Premium SDXC Card (64GB)

VerbatimNeweggSD Card

Capacity

64GB

Price

$26.88

$/GB

$0.420

315

Kingston Micro SD Memory Card 64GB Class 10 TF Wholesale

KingstonNeweggmicroSD

Capacity

64GB

Price

$26.95

$/GB

$0.421

316

SanDisk 64GB Secure Digital Extended Capacity (SDXC) Flash Card

SanDiskNeweggSD Card

Capacity

64GB

Price

$26.99

$/GB

$0.422

317

SanDisk 64GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-064G-GN6IN)

SanDiskNeweggSD Card

Capacity

64GB

Price

$26.99

$/GB

$0.422

318

Silicon Power 128GB Inspire UHS-1(U3) V30 A1 TLC Micro SDXC Memory Card with USB Reader - Model SP128GBSTXLV3VC2

Silicon PowerNeweggmicroSD

Capacity

128GB

Price

$53.99

$/GB

$0.422

319

PNY 256GB EliteX-PRO60 UHS-II SDXC Memory Card - R280MB/s W180MB/s, U3, V60, 4K UHD, Full HD, UHS-II for Professional Photographers & Content Creators, DSLR Mirrorless Cameras, Advanced Video Cameras

PNYAmazonSD Card

Capacity

256 GB

Price

$108.90

$/GB

$0.425

320

SanDisk MAX ENDURANCE 256 GB microSD SDSQQVR256GAN6IA

SanDiskNeweggmicroSD

Capacity

256GB

Price

$109.50

$/GB

$0.428

321

Toshiba THN-M102K0160A4 CRG 16GB 8p MSDHC r15MB/s w5MB/s Class 4 M102 Micro Secure Digital High Capacity Card Retail

ToshibaNeweggmicroSD

Capacity

16GB

Price

$6.85

$/GB

$0.428

322

SanDisk 256GB Extreme PRO SDXC Memory Card, UHS-I Class 10 U3 V30, Up to 170MB/s

SanDiskNeweggSD Card

Capacity

256GB

Price

$109.80

$/GB

$0.429

323

Lexar 128GB Professional Silver SD Card, UHS-I, C10, U3, V30, 4K, Up to 205/140 MB/s SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSILV128G-BNNNU)

LexarAmazonSD Card

Capacity

128 GB

Price

$54.99

$/GB

$0.430

324

PNY - 128GB PRO Elite Class 10 U3 V30 A2 microSDXC Flash Memory Card

PNYBest BuymicroSD
4.9(8)
100 / 90MB/s

Capacity

128 GB

Price

$54.99

$/GB

$0.430

325

PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card

PNYBest BuymicroSD
100 / 90MB/s

Capacity

128 GB

Price

$54.99

$/GB

$0.430

326

Nextbase - 256GB U3 Ultra High Speed SD card

NextbaseBest BuymicroSD

Capacity

256 GB

Price

$109.99

$/GB

$0.430

327

Angelbird AV PRO SD Card MK2 - V60-256 GB - SDXC UHS-II - SD Card - for 4K - Photo and Video

AngelbirdNeweggSD Card

Capacity

256GB

Price

$109.99

$/GB

$0.430

328

256GB U3 Ultra High Speed MicroSD Memory Card with SD Adapter

NeweggmicroSD

Capacity

256GB

Price

$109.99

$/GB

$0.430

329

SANDISK - Extreme Pro 1TB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.4(5)
250 / 170MB/s

Capacity

1 TB

Price

$429.99

$/GB

$0.430

330

SanDisk Ultra 128GB MicroSD Memory Card Model SDSQUJQ-128G-GZ6MA

SanDiskNeweggmicroSD

Capacity

128GB

Price

$55.28

$/GB

$0.432

331

Transcend TS64GSDC300S 64GB UHS-I U3 SD Memory Card

TranscendNeweggSD Card

Capacity

64GB

Price

$27.89

$/GB

$0.436

332

Filemate Wintec 16GB microSD Card (3FMUSD16GB-SR)

FilemateNeweggmicroSD

Capacity

16GB

Price

$6.99

$/GB

$0.437

333

32GB Integral Ultima Pro SDHC 80MB/sec CL10 UHS-1 Memory Card

NeweggSD Card

Capacity

32GB

Price

$13.99

$/GB

$0.437

334

ADATA 32GB Premier microSDHC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDH32GUICL10A1-RA1)

ADATANeweggmicroSD

Capacity

32GB

Price

$13.99

$/GB

$0.437

335

SanDisk 64GB Extreme SDXC UHS-I Memory Card - C10, U3, V30, 4K, UHD, SD Card - SDSDXV2-064G-GNCIN

SanDiskAmazonSD Card

Capacity

64 GB

Price

$27.99

$/GB

$0.437

336

512GB SDXC CANVAS REACT PLUS U3

NeweggSD Card

Capacity

512GB

Price

$225.98

$/GB

$0.441

337

SAMSUNG PRO Ultimate microSD Memory Card + Adapter, 512GB microSDXC, Up to 200 MB/s, 4K UHD, UHS-I, Class 10, U3,V30, A2 for Action Cam, Drone,...

SamsungNeweggmicroSD

Capacity

512GB

Price

$226.03

$/GB

$0.441

338

2 Packs SanDisk 128GB Ultra UHS-I microSDHC Memory Card with SD Adapter

SanDiskNeweggmicroSD

Capacity

128GB

Price

$56.99

$/GB

$0.445

339

*64GB MICROSD UHS-I U1 HIGH ENDUR

*64GBNeweggmicroSD

Capacity

64GB

Price

$28.52

$/GB

$0.446

340

iStorage microSD Card 512GB. Encrypt data stored on iStorage microSD Cards using datAshur SD USB flash drive. Compatible with datAshur SD drives...

iStorageNeweggmicroSD

Capacity

512GB

Price

$229.95

$/GB

$0.449

341

Transcend 128GB microSDXC 340S High Performance Memory Card UHS- I, U3, V30, A2, 4K, Full HD - TS128GUSD340S

TranscendNeweggmicroSD

Capacity

128GB

Price

$57.99

$/GB

$0.453

342

Kingston Canvas React Plus 256 GB Class 10/UHS-II U3 V60 SDXC SDR2V6256GB

KingstonNeweggSD Card

Capacity

256GB

Price

$116.27

$/GB

$0.454

343

KingSpec MIXAGE High Speed 512GB C10 UHS-II U3 V90 A1 SD Memory Card Read/Write Speed Up to 280/269MB/s For 4K/8K Video Recording 512GB

KingSpecNeweggSD Card

Capacity

512GB

Price

$234.99

$/GB

$0.459

344

GIGASTONE 128GB Micro SD Card 2-Pack, A1 V30 4K Video Recording, Compatible with Security Camera, Dash cam, Drone, 95MB/s MicroSDXC Memory Card UHS-I Class 10, with 2 SD Adapter

GigastoneAmazonmicroSD

Capacity

128 GB

Price

$58.98

$/GB

$0.461

345

SanDisk 64GB Micro SD SDXC MicroSD TF Class 10 64G 64 GB Mobile Ultra 80MB/s

SanDiskNeweggmicroSD

Capacity

64GB

Price

$29.50

$/GB

$0.461

346

SanDisk 64GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA2-064G-GN6MA

SanDiskAmazonmicroSD

Capacity

64 GB

Price

$29.67

$/GB

$0.464

347

SanDisk 64GB Ultra microSDXC 140MB/s UHS-I U1 A1 Full HD C10 microSD 64G micro SD SDXC Flash Memory Card SDSQUAB-064G-GN6MN with OEM Lanyard

SanDiskNeweggmicroSD

Capacity

64GB

Price

$29.75

$/GB

$0.465

348

SanDisk SDSQUA4-064G-GN6MN CYT 64GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail

SanDiskNeweggmicroSD

Capacity

64GB

Price

$29.75

$/GB

$0.465

349

Kingston Canvas Select Plus 32GB Flash Memory Card and Adapter SDCS2/32GB

KingstonNeweggSD Card

Capacity

32GB

Price

$14.95

$/GB

$0.467

350

SanDisk 64GB Ultra SDXC UHS-I Memory Card - 120MB/s, C10, U1, Full HD, SD Card - SDSDUN4-064G-GN6IN [Older Version]

SanDiskAmazonSD Card

Capacity

64 GB

Price

$29.92

$/GB

$0.468

351

Kingston Canvas Select Plus 64GB microSDXC Flash Card w/ Adapter Model SDCS2/64GBCR

KingstonNeweggmicroSD

Capacity

64GB

Price

$29.95

$/GB

$0.468

352

Made for Amazon SanDisk 32GB microSD Memory Card for Fire Tablets and Fire -TV

SanDiskAmazonmicroSD

Capacity

32 GB

Price

$14.99

$/GB

$0.468

353

Kodak SDXC Card 64GB UHS-I U1 V10 Premium, up to 85MB/s Read Speed, for Full HD Video and High-Resolution Pictures, Compatible with SDXC Standard - EKMSD64GXC10K

KODAKAmazon2yrSD Card

Capacity

64 GB

Price

$29.99

$/GB

$0.469

354

SanDisk 64GB Extreme Pro SDXC UHS-I/U3 V30 Class 10 Memory Card, Speed Up to 200MB/s (SDSDXXU-064G-GN4IN)

SanDiskNeweggSD Card

Capacity

64GB

Price

$29.99

$/GB

$0.469

355

SanDisk 64GB MicroSDXC Memory Card - 140MB/s Transfer Speeds, A1-Rated Performance, Class 10 with SD Card Adapter, for Cameras, Phones, Tablets,...

SanDiskNeweggmicroSD

Capacity

64GB

Price

$29.99

$/GB

$0.469

356

SANDISK - Express 128GB microSD PCIe 3.1 NVMe UHS-I Memory Card works with Nintendo Switch 2

SanDiskBest BuymicroSD
5.0(3)
880 / 650MB/s

Capacity

128 GB

Price

$59.99

$/GB

$0.469

357

PNY 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card - 100MB/s, Class 10, U3, V30, 4K UHD, Full HD, UHS-I, Full Size SD (Pack of 2)

PNYAmazonSD Card

Capacity

128 GB

Price

$59.99

$/GB

$0.469

358

PNY P-SDU128X2V31100PX-GE 128GB Premier-X Class 10 U3 V30 microSDXC Flash Memory Card 2-Pack - 100MB/s, Class 10, U3, V30, A1, 4K UHD, Full HD, UHS-I, Micro SD

PNYAmazonmicroSD

Capacity

128 GB

Price

$59.99

$/GB

$0.469

359

SanDisk - Extreme 128GB CompactFlash (CF) Memory Card

SanDiskBest BuymicroSD
4.8(34)
120 / 85MB/s

Capacity

128 GB

Price

$59.99

$/GB

$0.469

360

Lexar E-Series 128GB Micro SD Card 2 Pack, microSDXC UHS-I Flash Memory Card with Adapter, 100MB/s, C10, U3, A1, V30, Full HD, 4K UHD, High Speed TF Card

LexarAmazon10yrmicroSD

Capacity

128 GB

Price

$59.99

$/GB

$0.469

361

SanDisk 256GB Extreme SDXC V30 UHS-I U3 Memory Card

SanDiskNeweggSD Card

Capacity

256GB

Price

$119.99

$/GB

$0.469

362

128GB Transcend UHS-I SD 340S Ultra Performance SD Card U3 A1 V30

TranscendNeweggSD Card

Capacity

128GB

Price

$60.48

$/GB

$0.472

363

Kingston 64GB microSDXC Canvas Go Plus Gen4 200MB/s A2 U3 V30 Card + Adapter

KingstonNeweggmicroSD

Capacity

64GB

Price

$30.87

$/GB

$0.482

364

SanDisk 128GB Extreme Pro SDXC UHS-I Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXY-128G-GN4IN

SanDiskNeweggSD Card

Capacity

128GB

Price

$61.75

$/GB

$0.482

365

SanDisk 128GB Extreme PRO UHS-I SDXC Memory Card SDSDXXY-128G-ANCIN

SanDiskNeweggSD Card

Capacity

128GB

Price

$61.99

$/GB

$0.484

366

64GB Transcend 300S microSDXC UHS-I CL10 Memory Card with SD Adapter 95MB/sec

TranscendNeweggmicroSD

Capacity

64GB

Price

$31.02

$/GB

$0.485

367

Delkin Devices DDSDW63364GB 64GB SDXC 633x (V30) Memory Card

DelkinNeweggSD Card

Capacity

64GB

Price

$31.17

$/GB

$0.487

368

SANDISK - Extreme Pro 512GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.9(11)
250 / 170MB/s

Capacity

512 GB

Price

$249.99

$/GB

$0.488

369

SanDisk 32GB 32G Ultra Micro SD HC Class 10 TF Flash SDHC Memory Card - SDSQUNB-032G-GN3MN

SanDiskAmazon1yrmicroSD

Capacity

32 GB

Price

$15.83

$/GB

$0.495

370

Transcend TS64GUSD300S 64GB UHS-I U1 MicroSD Memory Card

TranscendNeweggmicroSD

Capacity

64GB

Price

$31.99

$/GB

$0.500

371

Samsung PRO Plus 256GB MicroSD Card + SD Adapter for Mobile Gaming on Smartphones, Tablets and Handheld Consoles, UHS-I U3, Full HD & 4K UHD,...

SamsungNeweggmicroSD

Capacity

256GB

Price

$129.75

$/GB

$0.507

372

Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667)

LexarAmazonSD Card

Capacity

128 GB

Price

$64.99

$/GB

$0.508

373

SANDISK - Extreme Pro 256GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
5.0(64)
250 / 170MB/s

Capacity

256 GB

Price

$129.99

$/GB

$0.508

374

SanDisk 64GB Extreme SDXC UHS-I/U3 Class 10 V30 Memory Card, Speed Up to 170MB/s (SDSDXV2-064G-GNCIN)

SanDiskNeweggSD Card

Capacity

64GB

Price

$32.95

$/GB

$0.515

375

SanDisk 64GB Extreme SDXC UHS-I/U3 Class 10 V30 Memory Card, Speed Up to 150MB/s (SDSDXV6-064G-GNCIN)

SanDiskNeweggSD Card

Capacity

64GB

Price

$32.95

$/GB

$0.515

376

3-Pack Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter

SanDiskNeweggmicroSD

Capacity

256GB

Price

$131.99

$/GB

$0.516

377

SanDisk 64GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXU-064G-GN4IN

SanDiskAmazonSD Card

Capacity

64 GB

Price

$33.77

$/GB

$0.528

378

OWC Atlas Pro UHS-II memory card 1TB SDXC Flash Memory

OWCNeweggSD Card

Capacity

1TB

Price

$529.99

$/GB

$0.530

379

Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write

SonyNeweggSD Card

Capacity

960GB

Price

$509.95

$/GB

$0.531

380

Kingston SDXC Canvas React Plus UHS-II V60 280MB/s SD Memory Card 128GB

KingstonNeweggSD Card

Capacity

128GB

Price

$68.61

$/GB

$0.536

381

Lexar SILVER Series Professional 1667x 128GB UHS-II SDXC Memory Card, Bundle with Multi-Card 2-In-1 USB 3.1 Reader

LexarNeweggSD Card

Capacity

128GB

Price

$69.79

$/GB

$0.545

382

UMEMORY UF100 64GB Micro SD Card U3 A1, 100MB/s Read, High-Endurance TF Memory Card for Cameras, Drones, Security Systems & Smartphones

UMEMORYNeweggmicroSD

Capacity

64GB

Price

$34.99

$/GB

$0.547

383

3 Pack Memory Card 64GB with Adapter, High Speed TF Card, UHS-I C10 A1 Memory TF Card for Tablet/Mobile Phone/Camera/Car Audio/Game Console (64GB-3 Pack)

BliksemAmazon3yrmicroSD

Capacity

64 GB

Price

$34.99

$/GB

$0.547

384

Sandisk Ultra 128GB High Speed Memory Card Micro-SDHC MicroSD Class 10 Compatible With ZTE ZPad 8

SanDiskNeweggmicroSD

Capacity

128GB

Price

$69.99

$/GB

$0.547

385

Lexar Professional 1667x 128GB SDXC UHS-II/U3 Memory Card #LSD128CBNA1667

LexarNeweggSD Card

Capacity

128GB

Price

$69.99

$/GB

$0.547

386

Kodak SD 128GB UHS-I U3 V30 Ultra (95MB/s Read, 85MB/s write) - 3 Pack

KodakNeweggSD Card

Capacity

128GB

Price

$69.99

$/GB

$0.547

387

SanDisk Extreme PRO 128GB UHS-I U3 SDXC Memory Card #SDSDXXJ-128G-GSCIN

SanDiskNeweggSD Card

Capacity

128GB

Price

$70.52

$/GB

$0.551

388

BLU G64 G1010WW 256GB Dual-SIM GSM Unlocked, Peach

BLUNeweggSD Card

Capacity

256GB

Price

$141.99

$/GB

$0.555

389

SanDisk Creator Series 1TB UHS-II SDXC Memory Card

SanDiskNeweggSD Card

Capacity

1TB

Price

$559.99

$/GB

$0.560

390

Lexar Micro SD Professional GOLD UHS-II Flash Memory Card 256GB

LexarNeweggmicroSD

Capacity

256GB

Price

$143.45

$/GB

$0.560

391

Lexar 64GB High-Performance 633x microSDXC UHS-I/U1 Class 10 Memory Card w/ SD Adapter (LSDMI64GBBNL633A)

LexarNeweggmicroSD

Capacity

64GB

Price

$35.95

$/GB

$0.562

392

Gigastone 32GB Micro SD Card with Adapter, U1 C10 Class 10 90MB/S, Full HD available, Micro SDHC UHS-I Memory Card - Full HD Video Series

GigastoneNeweggmicroSD

Capacity

32GB

Price

$17.98

$/GB

$0.562

393

INLAND Micro Center 32GB Class 10 MicroSDHC Flash Memory Card with Adapter for Mobile Device Storage Phone, Tablet, Drone & Full HD Video Recording - 80MB/s UHS-I, C10, U1 (1 Pack)

INLANDAmazonmicroSD

Capacity

32 GB

Price

$17.99

$/GB

$0.562

394

SanDisk 32GB Ultra UHS-I microSDHC Memory Card with SD Adapter

SanDiskNeweggmicroSD

Capacity

32GB

Price

$17.99

$/GB

$0.562

395

Gigastone 128GB Micro SD Card, Camera Plus, GoPro, Action Camera, Sports Camera, High Speed 100MB/s, 4K Video Recording, MicroSDXC memory card...

GigastoneNeweggmicroSD

Capacity

128GB

Price

$71.98

$/GB

$0.562

396

Sony M Series SDXC UHS-II Card 128GB, V60, CL10, U3, Max R277MB/S, W150MB/S (SF-M128/T2)

SonyNeweggSD Card

Capacity

128GB

Price

$72.14

$/GB

$0.564

397

Kingston Canvas Go! Plus 64 GB Class 10/UHS-I U3 V30 SDXC 1 SDG464GB

KingstonNeweggSD Card

Capacity

64GB

Price

$36.34

$/GB

$0.568

398

Lexar SDXC Professional 1800x UHS-II Flash Memory Card 1TB

LexarNeweggSD Card

Capacity

1TB

Price

$569.99

$/GB

$0.570

399

PNY 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card - 100MB/s, 4K UHD, HD, UHS-I, Full Size SD (Pack of 2)

PNYAmazonSD Card

Capacity

128 GB

Price

$72.99

$/GB

$0.570

400

transcend 16gb sdhc class 10 uhs-1 flash memory card up to 60mb/s (ts16gsdu1)

TranscendNeweggSD Card

Capacity

16GB

Price

$9.19

$/GB

$0.574

Find the Cheapest SD Cards Per GB in 2026

Looking for the best SD card deals? BuyPerUnit compares 876+ SD cards and microSD cards ranked by price per gigabyte — so you can find the most storage for your money.

Right now, the cheapest SD card storage starts at just $0.000/GB, while the average across all cards is $0.475/GB. Whether you need storage for your camera, drone, Nintendo Switch, or phone, we help you find the best value.

SD Card Buying Guide: Get the Best Value

1. Bigger Cards = Lower $/GB

A 256GB card at $25 ($0.098/GB) beats a 64GB card at $12 ($0.188/GB) in value. If you can afford more capacity upfront, you'll save long-term.

2. Match Speed to Your Device

4K video needs U3/V30 speed. 1080p or photos need U1/Class 10. Don't overpay for speed your device can't use.

3. microSD + Adapter

microSD cards with adapters work in both slots. They're usually the same price and offer more flexibility than full-size SD cards.

4. Stick to Known Brands

SanDisk, Samsung, and Lexar are reliable. Avoid no-name cards with suspiciously low prices — they often have fake capacity ratings.

microSD vs SD Card: Which Should You Buy?

TypeTypical $/GBMax CapacityBest For
microSD$0.05-0.151TBPhones, Switch, GoPro, drones
SD Card$0.05-0.201TBDSLR cameras, camcorders

Frequently Asked Questions About SD Cards

What's the cheapest microSD card per GB right now?
The cheapest SD card storage per gigabyte is currently $0.0000/GB. Higher capacity cards (256GB+) typically offer the lowest price per gigabyte.
What SD card speed do I need for 4K video?
For 4K video recording, you need at least a U3 or V30 rated card. These can write at 30MB/s or faster, which is necessary for 4K bitrates. For 8K or high-bitrate 4K, look for V60 or V90 cards.
What size SD card do I need for Nintendo Switch?
Most Switch games are 5-15GB, with some up to 30GB. A 256GB card holds 15-40 games and offers the best value. 512GB or 1TB is overkill unless you have a huge digital library. Any U1/Class 10 card is fast enough for the Switch.
Are SanDisk and Samsung SD cards worth the premium?
SanDisk and Samsung have excellent reliability and warranties. For professional use (weddings, paid work), the peace of mind is worth it. For casual use, budget brands like Silicon Power or Lexar offer good value with solid reliability.

How We Find the Cheapest SD Cards

BuyPerUnit calculates the price per gigabyte for every SD card and microSD card by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare products of different sizes.

Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon to ensure you always see current deals. Click any product to view the latest price and purchase directly.

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