
ADATA HV620S 1TB Black
Score: 74/100
Caraele 750GB Portable HDD
Score: 53/100Rankings

The ADATA HV620S 1TB is an ultra-slim, glossy-finished portable HDD with USB 3.1 Gen 1 connectivity and a lightweight design. It offers broad OS and console compatibility plus a 3-year warranty, but lacks hardware encryption and is vulnerable to drops. Ideal for users who value portability and capacity over high-speed performance.

The Caraele 750 GB Ultra Slim Portable HDD offers a lightweight aluminum case and decent 625 MB/s read speeds, making it a budget-friendly option for gamers and travelers, though its mechanical nature, limited capacity, and occasional reliability concerns limit its suitability for critical workloads.
| Attribute | ![]() | ![]() |
|---|---|---|
1,024 GBbest | 750 GB | |
90 MB/s | 625 MB/sbest | |
90 MB/sbest | — | |
36 monthsbest | 12 months | |
| ↓ lower better | 0.152 kgbest | 0.17 kg |
| ↓ lower better | 115 mm | 78 mmbest |
| ↓ lower better | 11.5 mmbest | 12 mm |
| ↓ lower better | 78 mmbest | 122 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Interface | USB 3.1 Gen 1 | USB 3.0 |
Performance(1) | ||
Sequential Read Speed (MB/s) | 90 MB/s | 625 MB/s |
Warranty & Support(1) | ||
Warranty Period (months) | 36 months | 12 months |
Power & Connectivity(1) | ||
Power Source | Bus-powered (USB) | Bus-powered |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, PlayStation, Xbox | Windows, macOS, Linux, Android, ChromeOS |
Build & Design(4) | ||
Weight (kg) | 0.152 kg | 0.17 kg |
Width (mm) | 115 mm | 78 mm |
Height (mm) | 11.5 mm | 12 mm |
Depth (mm) | 78 mm | 122 mm |
Storage(2) | ||
Storage Capacity (GB) | 1024 GB | 750 GB |
Drive Type | Mechanical HDD | HDD |
Accessories(1) | ||
Included Cable Type | USB 3.1 A to Micro-B cable | USB-A to Micro-B or USB-C to USB-A |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the HV620S for its sleek, ultra-slim design and solid build quality, noting reliable USB 3.1 performance despite the 5400 RPM drive, while cautioning about the glossy finish and slower speeds versus SSDs.
Everyday users overwhelmingly praise the drive's portability, ease of use, and reliable performance, especially for large-file transfers, while noting fingerprint-prone surface and occasional connection issues.

“Fits easily in pockets or laptop bags”

“Perfect size for travel-fits in my jacket pocket.”

“Transfers large video files in seconds compared to my old USB 2.0 drive.”




Professional reviewers note the aluminum chassis and USB 3.0 speed improve durability over plastic HDDs, but caution the brand's limited track record and recommend redundancy for important data.
Users appreciate the portability and speed for everyday backups and console storage, but many mention click noise, occasional failures, and the short cable.