Contents

The Best Sandisk 256Gb of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Sandisk 256Gb of 2023. Check our ranking below.

2,726 Reviews Scanned

SaleRank No. #1

SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA

Save time with card offload speeds of up to 190MB/s powered by SanDisk QuickFlow Technology (Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user storage less.)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately), Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
Up to 130MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
4K and 5K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See the SD Association’s official website.)
Rated A2 for faster loading and in-app performance (A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors)

SaleRank No. #2

SanDisk 256GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-256G-GN4IN, Dark gray/Black

Save time with card offload speeds of up to 200MB/s powered by SanDisk QuickFlow Technology (Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. X = 150KB/sec. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 512GB and 1TB capacities. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Shot speeds up to 140MB/s (Write speed up to 140MB/s. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. X = 150KB/sec.)
Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website.)

SaleRank No. #3

SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-GAM46, Black

Transfer speeds up to 10x faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed; USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes
Backward compatible with USB 2.0
Secure file encryption and password protection(2)

SaleRank No. #4

SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-256G-GN6MA [New Version]

Ideal storage for Android smartphones and tablets
Up to 256GB to store even more hours of Full HD video (1GB=1,000,000,000 bytes. Actual user storage less. Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website.)
Up to 150MB/s transfer speeds to move up to 1000 photos per minute (Up to 150MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.)
Load apps faster with A1-rated performance (A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type, and other factors.)
Class 10 for Full HD video recording and playback (Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website.)

SaleRank No. #5

SanDisk 256GB Ultra SDXC UHS-I Memory Card - Up to 150MB/s, C10, U1, Full HD, SD Card - SDSDUNC-256G-GN6IN

Great choice for compact to mid-range point-and-shoot cameras
Quick transfer speeds up to 150MB/s (Up to 150MB/s read speed engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
Up to 256GB to store tons of pictures (1GB=1,000,000,000 bytes. Actual user storage less.)
Exceptional video recording performance with UHS Speed Class 1 (U1) Class 10 rating for Full HD video (1080p) (UHS Speed Class 1 (U1) designates a performance option designed to support real time video recording with UHS enabled host devices. See consumers speed page on SanDisk site. Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. Visit the SanDisk Video Knowledge Base for more information.)
Compatible with SanDisk SD UHS-I card reader (sold separately)

SaleRank No. #6

SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46 Black

You can be confident in the good quality, performance and reliability of every SanDisk Product
Unique, sleek design for the modern home
With these speeds you can be sure that every transfer or save will end faster than ever before
Read Speed up to 100 MB/s2

SaleRank No. #7

SanDisk 256GB Extreme SDXC UHS-I Memory Card - C10, U3, V30, 4K, UHD, SD Card - SDSDXVV-256G-GNCIN

Save time with card offload speeds of up to 180MB/s powered by SanDisk QuickFlow Technology (Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, and 512GB capacities. 1GB=1,000,000,000 bytes. Actual user storage less.)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Write speeds up to 130MB/s (Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website.)

Rank No. #8

SanDisk 256GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-256G-G46, black

High-speed USB 3.0 performance of up to 150MB/s(1) [(1) Write to drive up to 15x faster than standard USB 2.0 drives (4MB/s); varies by drive capacity. Up to 150MB/s read speed. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors; 1MB=1,000,000 bytes]
Transfer a full-length movie in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors]
Transfer to drive up to 15 times faster than standard USB 2.0 drives(1)
Sleek, durable metal casing
Easy-to-use password protection for your private files(3) [(3)Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10, and Mac OS X v10.9 plus; Software download required for Mac, visit the SanDisk SecureAccess support page]

SaleRank No. #9

SanDisk 256GB microSDXC-Card, Licensed for Nintendo-Switch - SDSQXAO-256G-GNCZN , Yellow

Incredible speeds in a microSD card officially licensed for the Nintendo Switch and Nintendo Switch Lite systems
Spend less time waiting and more time playing with read speeds up to 100MB/s(1) and write speeds up to 90MB/s(1).
Instantly add up to 256GB (1GB=1,000,000,000 bytes. Actual user storage less.)
Store your downloaded games, screenshots and video captures in 1 place so you can travel light.
Nintendo trademarks are properties of Nintendo.

Rank No. #10

SanDisk 256GB Extreme PRO® microSD™ UHS-I Card with Adapter C10, U3, V30, A2, 200MB/s Read 140MB/s Write SDSQXCD-256G-GN6MA

Read Speed: SanDisk 256GB Extreme PRO microSD UHS-I Card features SanDisk QuickFlow Technology that optimizes performance for timesaving media offloads with quick read speeds up to 200MB/s
Write Speeds of up to 140MB/s: Capture fast-action photos or shoot 4K UHD video with write speeds of up to 140MB/s. The SanDisk Extreme Pro microSDXC UHS-I Card lets you shoot more and faster
Load Apps Faster with A2: Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme Pro microSD card’s A2 Specification
Durable Design: This card is shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card
Ideal For: This card is ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames

Rank No. #11

SanDisk 256GB Ultra Dual Drive USB Type-C - USB-C, USB 3.1 - SDDDC2-256G-G46,Black

The flash drive for USB Type C devices
Easily transfer files between smartphones, tablets and computers
Free up space on your Android smartphone (mobile device requires USB Type C port and on the go (OTG) support)
Retractable design with a reversible USB Type C connector and a traditional USB connector
High speed USB 3.1 performance of up to 150MB/s read speeds (USB Type C port with USB 3.1, Gen. 1/USB 3.0 support required; Based on internal testing; performance may be lower depending upon host device)

Rank No. #12

SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-256G-GN6MA

Up to 160MB/s read speeds to save time transferring high res images and 4K UHD videos; Requires compatible devices capable of reaching such speeds
Up to 90MB/s write speeds for fast shooting; Requires compatible devices capable of reaching such speeds
4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30)
Rated A2 for faster loading and in app performance
Built for and tested in harsh conditions: Temperature Proof, Water Proof, shock Proof and x ray Proof

Rank No. #13

SanDisk 256GB Ultra Fit USB 3.1 Flash Drive - SDCZ430-256G-G46, Black

A compact, plug-and-stay, high-speed USB 3.1 flash drive that’s ideal for adding more storage to laptops, game consoles, in-car audio and more
Simple, fast way to add up to 256GB of storage to your device [1GB=1,000,000,000 bytes - Actual user storage less]
Read speeds up to 130MB/s(1) [(1) Write to drive up to 15X faster than standard USB 2.0 drives (4MB/s); USB 3.1 Gen 1 or USB 3.0 port required. Based on internal testing; performance may be lower depending on host device; 1MB=1,000,000 bytes]
Write up to 15X faster than standard USB 2.0 drives(1)
Move a full-length movie to the drive in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4 video transfer with USB 3.1 Gen 1 or USB 3.0 host device; Results may vary based on host device, file attributes and other factors]

SaleRank No. #14

SanDisk 256GB iXpand Flash Drive Luxe for iPhone and USB Type-C Devices - SDIX70N-256G-GN6NE, Black

The all-metal casing 2-in-1 flash drive with Lightning and USB Type-C connectors.
Seamlessly move content between your iPhone, iPad Pro and USB Type-C devices, including Android phones.(1). (1) For iPhone, iPad Pro and iPod compatibility, see SanDisk Support ixpand compatibility web page. Android device requires USB Type-C port and On-The-Go (OTG) support; see SanDisk dualdrive-c web page for list of compatible devices.
Easily free up space on your iPhone so you can keep creating content.(1)
Automatically back up your iPhone photos, videos and more.(2). (2)iXpand Drive app required (except for Android devices). Available for download from the App Store. iOS 10.0.2 or higher required. Set up automatic backup within app settings.
Password-protect your files across iPhone, PC and Mac.(1), (3). (3)Password protection is supported by iOS 10.0.2 and higher, Mac OS X v10.9 and higher, Windows 7, Windows 8 and Windows 10.

SaleRank No. #15

SanDisk 256GB High Endurance Video microSDXC Card with Adapter for Dash Cam and Home Monitoring systems - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQNR-256G-GN6IA

Ideal for dash cams and home monitoring systems
Designed for high endurance so you can record for up to 20,000 hours with no worries (Actual hours of video saved less. Full HD (1920x1080) video only; total hours less for 4K UHD (3840 x 2160) video.)
Built for and tested in harsh conditions; temperature proof, water proof, shock proof, humidity proof and magnet proof (Card only. See product packaging and official SanDisk website for more information and limitations.)
Save more videos with capacities up to 256GB (1GB = 1,000,000,000 bytes. Actual user storage less.)
Record and save more Full HD or 4K videos(3) with capacities up to 256GB (Compatible device required. Full HD (1920x1080) and/or 4K UHD (3840x2160) video support may vary based on host device, file attributes, usage conditions and other factors.)

SaleRank No. #16

SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card - C10, U3, V60, 6K, 4K UHD, SD Card - SDSDXEP-256G-GN4IN

For prosumers and professionals shooting with MIL and cinema cameras
Record cinema-quality 6K and 4K UHD with Video Speed Class 60 rating (Full HD (1920x1080), 4K UHD (3840x2160), and 6K (6144x3160) video support may vary based upon host device, file attributes and other factors. See HD page on official SanDisk website. Video Speed Class 60 (V60), sustained video capture rate of 60MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website for additional details.)
Capture superlative continuous burst mode and time lapse images with shot speeds up to 150MB/s (Up to 150MB/s write speed. Based on internal testing; performance will vary based on host device. 1MB = 1,000,000 bytes.)
Save time with card offloads reaching transfer speeds up to 280MB/s (Up to 280MB/s read speed. Based on internal testing; performance will vary based on host device. 1MB = 1,000,000 bytes.)
Store more high-resolution files with capacity options up to 256GB (1GB = 1,000,000,000 bytes. Actual user storage less.)

Rank No. #17

SanDisk 256GB Ultra Dual Drive Go USB Type-C Flash Drive, Black - SDDDC3-256G-G46

The 2-in-1 flash drive with a reversible USB Type-C and a traditional Type-A connector.
Seamlessly move content between your USB Type-C smartphone, tablets and Macs and USB Type-A computers(2) | (2) Mobile device requires USB Type-C port and On-The-Go (OTG) support. See the official SanDisk website for a list of compatible devices.
Free up space on your USB Type-C smartphone(2)
Automatically back up photos with SanDisk Memory Zone app(3) | (3) Download and installation of SanDisk Memory Zone app required.
High-performance USB 3.1 Gen 1 drive with 150MB/s read speeds(1) | (1) Read speeds up to 150MB/s. Write speed lower and vary by capacity. USB Type-C port with USB 3.1 Gen 1/ USB 3.0 support required. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB = 1,000,000 bytes.

SaleRank No. #18

SanDisk 256GB Extreme SDXC UHS-I Memory Card - 150MB/s, C10, U3, V30, 4K UHD, SD Card - SDSDXV5-256G-GNCIN

Shot speeds up to 70MB/s, transfer speeds up to 150MB/s requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors
Perfect for shooting 4K UHD video(1) and sequential burst mode photography (1)Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors
Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)(2). (2)Sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices
Built for and tested in harsh conditions(3): temperature-proof, waterproof, shock-proof, and x-ray-proof (3) Card only

SaleRank No. #19

SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card - C10, U3, V90, 8K, 4K, Full HD Video, SD Card - SDSDXDK-256G-GN4IN

Tap into pro performance designed for professional and advanced photographers and videographers.
Super-fast write speeds of up to 260MB/s* help rapidly clear buffer time to support continuous burst mode shooting and cinema-quality video recording(2). Requires compatible devices capable of reaching such speeds.
Sustained V90 video speeds and UHS Speed Class 3 (U3) deliver cinema-quality 8K, 4K and Full HD video recording.(1)(2)
Extreme transfer speeds up to 300MB/s* help achieve maximum postproduction workflow efficiency. Requires compatible devices capable of reaching such speeds such as the SanDisk Extreme PRO SD UHS-II USB-C Reader (sold separately).
Travel from studio to location worry-free with shockproof, temperature-proof, waterproof, and X-ray-proof design.(5)

SaleRank No. #20

[Older Version] SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-256G-GN6MA

This version has been discontinued by manufacturer
Ideal for Android smartphones and tablets, and MIL cameras
Up to 256GB to store even more hours of Full HD video (2). 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. (2) Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website.
Up to 120MB/s transfer speeds let you move up to 1000 photos in a minute(5). Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (5)Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.
Load apps faster with A1-rated performance(1). (1) A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type and other factors.

Last update on 2023-08-21 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Sandisk 256Gb?

Do you get stressed out thinking about shopping for a great Sandisk 256Gb? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Sandisk 256Gb, which is why we have assembled a comprehensive list of the greatest Sandisk 256Gb available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Sandisk 256Gb that you consider buying. Your questions might include the following:

Is it worth buying an Sandisk 256Gb?
What benefits are there with buying an Sandisk 256Gb?
What factors deserve consideration when shopping for an effective Sandisk 256Gb?
Why is it crucial to invest in any Sandisk 256Gb, much less the best one?
Which Sandisk 256Gb are good in the current market?
Where can you find information like this about Sandisk 256Gb?

We’re convinced that you likely have far more questions than just these regarding Sandisk 256Gb, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Sandisk 256Gb, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Sandisk 256Gb. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Sandisk 256Gb buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Sandisk 256Gb currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Sandisk 256Gb has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Sandisk 256Gb?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Sandisk 256Gb.
Customer Ratings: Number ratings grade Sandisk 256Gb objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Sandisk 256Gb.
Product Quality: You don’t always get what you pay for with an Sandisk 256Gb, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Sandisk 256Gb is should be an indication of how long it will work out for you.

We always remember that maintaining Sandisk 256Gb information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Sandisk 256Gb is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What is the best SanDisk USB?

A: Samsung Fit Plus (MUF-128AB) SanDisk Cruzer CZ36 Kingston DataTraveler G4 PNY Turbo SanDisk Extreme Pro SDCZ880 Corsair Flash Survivor Stealth SanDisk Ultra USB-C Kingston Digital DataTraveler Elite G2 Samsung 32GB Bar SanDisk iXpand Flash Drive

Q: Is 256 GB SSD enough?

A: Yes, a storage capacity of 256 GB SSD is enough for most laptops. A 256GB SSD is fast enough and has enough storage capacity for 99% of computer users. The overall performance of a laptop depends on many factors. One such factor is the storage drive of the laptop.

Q: How much raw storage in a 256 gig card?

A: So, if a raw file takes 30 MB of space, it can fit in the memory cards as follows: 32 gb = 1,092 photographs 64 gb = 2,184 photographs 128 gb = 4,368 photographs 256 gb = 8,732 photographs

Q: What is an USB disk drive?

A: (1) An external storage or optical disc drive that plugs into the USB port. See portable hard drive. (2) A small solid state storage module that plugs into the computer’s USB port. Using flash memory chips that can hold up to a terabyte and more of data, the ubiquitous USB drive functions like a hard drive.