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Sandisk

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

Name: SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46 Black
Brand: Sandisk
SKU: B00YFI1A66
Price: 45.69 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$45.69

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View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.

Bottom line: The SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46 Black is a niche pick — read recent reviews before buying in the external storage category, priced around $45.69. Compare close alternatives before committing.

Step up to high‐speed USB 3. 0 and transfer your videos, photos and files up to ten times faster than standard USB 2. 0 drives. SanDisk Ultra USB 3. 0 Flash Drive takes the wait out of moving, sharing or backing up big files-now you can transfer a full‐length movie from your laptop to your flash drive in way less than a minute. Password protection lets you keep your private files private2 and still generously share with family and friends. And, with a sleek, sturdy SanDisk Ultra USB 3. 0 Flash Drive in your pocket, you won't need an Internet connection to access those photos and videos…

SpecPicks Verdict

SpecPicks scored SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46 Black using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. Sandisk's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Unique, sleek design for the modern home
✓ Backed by Sandisk's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

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

Full Specifications

Brand	Sandisk
Color	black
Weight	256g
Model Name	256GB Ultra Fit USB 3.0 Flash Drive 100MB/s
Read Speed	100
Unit Count	1 Count
Write Speed	40MB/s
Connectivity	USB
Model Number	SDCZ48-256G-U46
Built-In Media	Memory, USB Drives, USB Flash Drives
Item Type Name	Sandisk Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46
Mfr Part Number	SDCZ48-256G-U46
Special Feature	Lightweight
Flash Memory Type	USB flash drive
Compatible Devices	Laptop
Hardware Interface	USB 3.0
Additional Features	Lightweight
Warranty Description	5-year
Connectivity Technology	USB
Memory Storage Capacity	256 GB

Ready to buy?

SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-U46 Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-17. Price and availability subject to change.