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SD card

The SD card is a proprietary, non-volatile, flash memory card format developed by the SD Association (SDA). They come in three physical forms: the full-size SD, the smaller miniSD (now obsolete), and the smallest, microSD. Owing to their compact form factor, SD cards have been widely adopted in a variety of portable consumer electronics, including…

Standards & History

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Block size
Variable
Capacity
SD: Up to 2 GB · SDHC: Up to 32 GB · SDXC: Up to 2 TB · SDUC: Up to 128 TB
Developed by
SD Association
Dimensions
Standard: 32×24×2.1 mm (1.260×0.945×0.083 in) · Mini: 21.5×20×1.4 mm (0.846×0.787×0.055 in) · Micro: 15×11×1 mm (0.591×0.433×0.039 in)
Extended from
MultiMediaCard
Media type
Memory card

Topics to explore

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Overview

History

Capacity standards

Bus marks

Card speed class ratings

Performance ratings

Features

Markets

Technical details

Openness of specification

Advanced semantic analysis

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Map overview Semantic statistics

SD card

Nodes166
Edges165
Triples261
Avg. degree1.99
Density0.012048
Components1

How this topic connects Entity context

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SD card

Top relations

related to Vendor enhancements · 17
SD card → ADATA, DRM, Gruvi, In, Integrated, Integrated USB, Integrated Wi-Fi, Pre-loaded, SanDisk, SD, Several, Some, Super Info SD, The, USB, Vendors, Wi-Fi
related to Transfer modes · 16
SD card → All SD, Cards, Four-bit SD, Once, One-bit SD, SD, SD UHS-II, Separate, Serial Peripheral Interface Bus, SPI, The SPI, This, Two, UHS-I, UHS-II, Uses
related to Openness of specification · 14
SD card → As, August, Despite, DRM, Early, Like, NDA, Royalties, SD, SD Association, SDA, SDIO, The SD, US
related to Smaller formats · 13
SD card → At, CeBIT, However, In, March, SanDisk, SD, SDA, T-Flash, TF, The, The SD Association, TransFlash
related to smartSD cards · 13
SD card → Apple, Apple IPhone, Application Protocol Data Unit, CredenSE, DeviceFidelity, In2Pay, Inc, ISO, JavaCard, NFC, SD, Some, Visa
related to Increasing storage density · 12
SD card → Capacity, Consumer, GB, In January, MB/s, NAND, SD, SDA, SDXC, Secure Digital, TB, The
related to Embedded systems · 11
SD card → DD-WRT's Linux, GPIO, If, Linksys WRT54G-TM, Mb/s, Raspberry Pi, SD, SDIO, SPI, The, While
related to Power consumption · 11
SD card → During, Minimum, Modern UHS-II, SD, SDR104, Specifications, Standby, The, Toshiba, TwinMOS Technologies, UHS-II
related to SD (SDSC) · 11
SD card → Although, MMC, MMC's, Recessed, SD, SD Standard Capacity, SDSC, Secure Digital, The, These, Thin SD
related to Personal computers · 10
SD card → Although, ATA, However, In, Memory, Primary, SD, SD-to-CompactFlash, Tablet PCs, USB

Important terminology Word statistics

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Important terminology

sd cards card capacity sdhc microsd use devices support speed host sdxc bus device interface data memory specification transfer mb

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SD cardBlock sizeVariable1.00infobox
SD cardCapacitySD: Up to 2 GB1.00infobox
SD cardCapacitySDHC: Up to 32 GB1.00infobox
SD cardCapacitySDXC: Up to 2 TB1.00infobox
SD cardCapacitySDUC: Up to 128 TB1.00infobox
SD cardDeveloped bySD Association1.00infobox
SD cardDimensionsStandard: 32×24×2.1 mm (1.260×0.945×0.083 in)1.00infobox
SD cardDimensionsMini: 21.5×20×1.4 mm (0.846×0.787×0.055 in)1.00infobox
SD cardDimensionsMicro: 15×11×1 mm (0.591×0.433×0.039 in)1.00infobox
SD cardExtended fromMultiMediaCard1.00infobox
SD cardMedia typeMemory card1.00infobox
SD cardRead mechanismDefault: Up to 12.5 MB/s1.00infobox
SD cardRead mechanismHigh-speed: Up to 25 MB/s1.00infobox
SD cardRead mechanismUHS-I: Up to 104 MB/s1.00infobox
SD cardRead mechanismUHS-II: Up to 312 MB/s1.00infobox
SD cardRead mechanismUHS-III: Up to 624 MB/s1.00infobox
SD cardRead mechanismExpress: Up to 3940 MB/s1.00infobox
SD cardReleasedAugust 19991.00infobox
SD cardWeightStandard: 2 g (0.071 oz)1.00infobox
SD cardWeightMini: 0.8 g (0.028 oz)1.00infobox
SD cardWeightMicro: 0.25 g (0.0088 oz)1.00infobox
SD cardis aproprietary0.90text

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