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SanDisk SDSDB-064G-B35 64GB Class 4 SDXC Memory Card — main product image
SanDisk

SanDisk SDSDB-064G-B35 64GB Class 4 SDXC Memory Card

★★★★★4.6 (40013 reviews)

Affordable 64GB SDXC storage with durable, weather-resistant construction backed by SanDisk reliability.

$7.75*$9.05Save 14%
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The SanDisk SDSDB-064G-B35 is a 64GB SDXC memory card built for users who need reliable, no-frills expandable storage. With a Class 4 speed rating based on the SD 2.0 specification, the card delivers a minimum sustained write speed of 4MB/s — sufficient for storing documents, music, standard definition photos, and basic video files. It is compatible with SDHC/SDXC and SDHC I/SDXC I host devices, though users with older hardware from 2010 or earlier should verify SDXC compatibility with their device manufacturer before purchasing.

Where this card stands out is in its durability and dependability. SanDisk has tested it to be waterproof, shockproof, X-ray proof, and temperature proof, with an operating range of -13°F to 185°F and a storage range extending down to -40°F. A built-in security feature helps protect copyrighted content, and a writeable label on the card surface makes it easy to keep multiple cards organized. Backed by a 5-year limited warranty, the SDSDB-064G-B35 is a practical choice for everyday storage needs where transfer speed is not a primary concern.

Key Features

Cards include security feature for protection of copyrighted data

Compatible with SDHC/SDXC and SDHC-I/SDXC-I devices.Recommended for SDXC compliant devices. If using in older SD or SDHC host device (2010 or prior), please check with manufacturer for compatibility

Speed performance rating: Class 4 (based on SD 2.0 Specification)

Writeable label for easy identification and organization

High quality and reliability backed by a 5-year limited warranty

Durability tested to protect your memories from life’s mishaps – water proof, shock proof, x-ray proof, temperature proof

Specifications

Brand
SanDisk
Model
SDSDB-064G-B35
Capacity
64GB
Card Type
SDXC
Speed Class
Class 4 (4MB/s minimum write)
Operating Temperature
-13°F to 185°F (-25°C to 85°C)
Storage Temperature
-40°F to 185°F (-40°C to 85°C)
Durability
Waterproof, Shockproof, X-ray Proof, Temperature Proof
Warranty
5-Year Limited

Pros & Cons

👍 Pros

  • 64GB capacity provides ample space for photos, documents, and standard definition video
  • Waterproof, shockproof, X-ray proof, and temperature proof construction protects stored data
  • Writeable label makes it easy to identify and organize multiple cards
  • Backed by a 5-year limited warranty from SanDisk

👎 Cons

  • Class 4 speed rating (4MB/s minimum write) is too slow for HD video recording or rapid burst photography
  • Not backward compatible with older SD or SDHC-only devices manufactured before 2010
  • Significantly slower than modern UHS-I or UHS-II cards available at similar price points
  • No included adapter for use in microSD or CompactFlash slots

Frequently Asked Questions

Class 4 means the card has a minimum sustained write speed of 4MB/s. This is suitable for standard definition video recording and everyday photo storage but is not fast enough for HD video recording or burst-mode photography.
This is an SDXC card, so it requires an SDXC-compatible device. If your device was manufactured in 2010 or earlier, it may only support SD or SDHC formats — check with your device manufacturer for compatibility before purchasing.
The card is tested to be waterproof, shockproof, X-ray proof, and temperature proof, operating in temperatures from -13°F to 185°F (-25°C to 85°C) and surviving storage temperatures from -40°F to 185°F (-40°C to 85°C).
Yes, the card includes a built-in security feature designed to protect copyrighted data, and it also has a writeable label on the surface for easy identification and organization of multiple cards.

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