Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive
Retractable, High-Speed Data Transfer Storage Device, Black
Price as of 2026-08-12. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in USB Flash Drives
- •Risk-averse buyers — 32,869+ reviews give a highly reliable picture
- •Amazon Basics loyalists — the brand spans 89 products in our database
- •You're on a tight budget — $10 above the category average of $35
- •Samsung BAR Plus 3.1 USB Flash Drive offers a better rating (4.7/5) at a similar or lower price ($40)
- •Sandisk 128GB Ultra Flair USB 3.0 Flash Drive — 46% cheaper at $24 (Score A)
- •Samsung BAR Plus 3.1 USB Flash Drive — higher rated at 4.7/5 ($40)
📊 Based on data analysis of 7 products in this category.
Mubboo Score: B
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other USB Flash Drives
Computed from live Amazon rating, review count, and price across 7 USB Flash Drives available to US consumers · last refreshed 2026-08-12.
How It Compares
This Product Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive | Most Popular Sandisk 128GB Ultra Flair USB 3.0 Flash Drive | Best Rated Samsung BAR Plus 3.1 USB Flash Drive | Best Value PNY 128GB Turbo Attaché 3 USB 3.0 Flash Drive 5-Pack | |
|---|---|---|---|---|
| Price | $44.64 | $24.15 | $39.99 | $69.99 |
| Rating | 4.6/5 | 4.6/5 | 4.7/5 | 4.6/5 |
| Reviews | 32,869 | 208,261 | 49,947 | 41,863 |
| Mubboo Score | B | A | B+ | B |
Quick Specs
- Color
- Black
- Read Speed
- 130 Megabytes Per Second
- Unit Count
- 1.0 Count
- Item Weight
- 0.3 Ounces
- Write Speed
- 30 Megabits Per Second
- Manufacturer
- Amazon
- Model Number
- LS21USB128G1
- Mfr Part Number
- LS21USB128G1
What buyers say about USB Flash Drives
Themes from buyer reviews across this category — not review data for this specific model.
For frequent large file transfers, verify write speeds and watch for metal drives that may overheat and throttle. Test dual-drive sliders to avoid retraction issues.
- Fast Transfer Speeds
- Compact and Portable
- Durable Build Quality
- Reliable Performance
- Dual USB-C/USB-A Flexibility
- Excessive Heat Generation
- Inconsistent Write Speeds
- Difficult Slider Mechanism
Key Features
- ✦USB 3.1 flash drive with high-speed transmission; store videos, photos, music, and more
- ✦128 GB storage capacity; can store 32,000 12MP photos or 488 minutes 1080P video recording, for example
- ✦Convenient USB connection
- ✦Read speed up to 130MB/s and write speed up to 30MB/s; 15x faster than USB 2.0 drives; USB 3.1 Gen 1 / USB 3.0 port required on host devices to achieve optimal read/write speed; ba…
- ✦High-quality NAND FLASH flash memory chips can effectively protect personal data security
Source: product listing on Amazon.
About Amazon Basics
- 89 products in our database
- Average rating: 4.6/5 across all products
- Price range: $4.36 – $167.99
- Categories: bakeware, baking-tools-and-accessories, Beach Chairs, bedroom-furniture, Bed Sheets, binders-and-binding-systems
If not the 128 GB Ultra Fast USB 3.1 Flash Drive, consider these
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Bottom Line
Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive earns Mubboo Score B. Priced at $45 — a premium option, above the category average of $35. Rated 4.6/5 from 32,869+ reviews. Strong buy if: buyers who prioritize quality over price in usb flash drives, risk-averse buyers. Skip if: you're on a tight budget — Sandisk 128GB Ultra Flair USB 3.0 Flash Drive (Score A, $24) may fit better.
Frequently Asked Questions
Is the Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive worth buying in 2026?
It earns a Mubboo Score of B, with a 4.6/5 rating from 32,869 reviews — better than 71% of USB Flash Drives we track.
How much does the Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive cost?
It is currently $44.64 — premium-tier pricing for USB Flash Drives.
How does the 128 GB Ultra Fast USB 3.1 Flash Drive compare to other USB Flash Drives?
The category's most-reviewed alternative is the Sandisk 128GB Ultra Flair USB 3.0 Flash Drive (4.6/5, 208,261 reviews, $24.15). The 128 GB Ultra Fast USB 3.1 Flash Drive carries a Mubboo Score of B vs A.
Sources & References
- View on Amazon →
- Expert review review →
- Expert review review →
- Expert review review →
- Browse all USB Flash Drives on Mubboo →
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-08-12) and may change.