512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
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 filesnow you can transfer a full-length movie from your laptop to your flash drive in less than a minute(1) Password protection lets you keep your private files private(2) and still generously share with family and friends And with a sleek sturdy SanDisk Ultra USB 3 0 Flash Drive in your pocket you wont need an Internet connection to access those photos and videos anyplace and…
SpecPicks Verdict
SpecPicks classifies SANDISK 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black as a category leader on buyer feedback in the external storage category, based on 52,403 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. SanDisk's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Large, well-vetted feedback pool (52,403 reviews)
- ✓ Backward compatible with USB 2.0
- ✓ 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
- 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)
Full Specifications
| UPC | 619659179397 |
|---|---|
| ASIN | B083ZLJ5MG |
| Brand | Sandisk |
| Color | Black |
| Model Name | SDCZ48-512G-G46 |
| Read Speed | 130 Megabytes Per Second |
| Item Weight | 0.71 Ounces |
| Write Speed | 40 MB per second |
| Manufacturer | Sandisk Technologies, Inc. |
| Model Number | SDCZ48-512G-G46 |
| Special Feature | Encrypted |
| Customer Reviews | 4.64.6 out of 5 stars(52,050)4.6 out of 5 stars |
| Best Sellers Rank | #3 in USB Flash Drives |
| Flash Memory Type | USB |
Ready to buy?
SANDISK 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, 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.
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.