
ADATA HV620S 1TB Black
Score: 74/100
Hwayo HPHD-1TB
Score: 69/100Rankings

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 HWAYO 2.5" 1TB Ultra Slim Portable External Hard Drive delivers a thin, lightweight form factor and USB 3.0 speeds at a low price, suitable for casual media storage and console expansion, though it lacks ruggedness and encryption.
| Attribute | ![]() | ![]() |
|---|---|---|
1,024 GBbest | 1,000 GB | |
90 MB/s | 120 MB/sbest | |
90 MB/s | 120 MB/sbest | |
36 monthsbest | — | |
| ↓ lower better | 0.152 kgbest | 0.231 kg |
| ↓ lower better | 115 mm | 82.55 mmbest |
| ↓ lower better | 11.5 mmbest | 15.24 mm |
| ↓ lower better | 78 mmbest | 120.65 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(2) | ||
Sequential Read Speed (MB/s) | 90 MB/s | 120 MB/s |
Sequential Write Speed (MB/s) | 90 MB/s | 120 MB/s |
Power & Connectivity(1) | ||
Power Source | Bus-powered (USB) | Bus-powered via USB |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, PlayStation, Xbox | Windows, macOS, Linux, Android, Chrome OS, Xbox One, PS4/5 |
Build & Design(4) | ||
Weight (kg) | 0.152 kg | 0.231 kg |
Width (mm) | 115 mm | 82.55 mm |
Height (mm) | 11.5 mm | 15.24 mm |
Depth (mm) | 78 mm | 120.65 mm |
Storage(2) | ||
Storage Capacity (GB) | 1024 GB | 1000 GB |
Drive Type | Mechanical HDD | HDD |
Accessories(1) | ||
Included Cable Type | USB 3.1 A to Micro-B cable | USB 3.0 Type-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”

“Works perfectly with my Xbox One - reformatted easily and added 931 GB of extra game storage.”

“Very thin and light - fits in my pocket with my laptop.”




Professional reviewers view the HWAYO 1TB external HDD as a functional, budget-friendly option that meets basic storage and backup needs, noting its sleek design and USB 3.0 interface while warning that mechanical HDD performance and durability are only average.
Everyday users like the thin profile, plug-and-play ease, and satisfactory speed for movies and photos, especially for Xbox One storage, but they report frustrations with reduced usable capacity, reformat requirements, occasional cable or recognition issues, and reliability concerns after a few months.