
Transcend SSD230 128GB
Score: 85/100
SanDisk Extreme
Score: 87/100Rankings

The SanDisk Extreme Portable SSD 1TB delivers high-performance NVMe speeds of up to 1,050 MB/s read and 1,000 MB/s write while offering IP65 water and dust resistance in a lightweight 52 g package. Its capacity is limited to 1 TB and it lacks the ultra-fast 2,000 MB/s class of newer models. Ideal for creators and mobile professionals needing fast, rugged portable storage.

The Transcend SSD230 is a 128 GB 2.5-inch SATA SSD that delivers strong sequential performance and includes DRAM cache and SLC caching. Its limited capacity and SATA interface ceiling restrict it for power-users. Ideal for budget upgrades in older laptops or thin notebooks that need a low-power, high-read drive.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 1,000 GBbest | |
560 MB/s | 1,050 MB/sbest | |
520 MB/s | 1,000 MB/sbest | |
35,000 IOPSbest | — | |
85,000 IOPSbest | — | |
2,240 TBbest | — | |
3 years | 5 yearsbest | |
| ↓ lower better | 63.5 g | 52 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(1) | ||
Interface | SATA III | USB 3.2 Gen 2 |
Performance(2) | ||
Sequential Read Speed (MB/s) | 560 MB/s | 1050 MB/s |
Sequential Write Speed (MB/s) | 520 MB/s | 1000 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 1000 GB |
General(1) | ||
Warranty (years) | 3 years | 5 years |
Design & Build(3) | ||
Form Factor | 2.5-inch | Portable |
Weight (g) | 63.5 g | 52 g |
Dimensions (L×W×H) (mm) | 99.06×68.58×6.8 mm mm | 101x52x10 mm |


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

Professional reviewers consider the Transcend SSD230S a solid value proposition for budget-oriented SATA upgrades, praising its DRAM cache, SLC caching and robust error-correction features while noting the inherent speed ceiling of the SATA interface and the modest 128 GB capacity as limiting factors for power users.

Professional reviewers commend the Extreme Portable SSD 1TB for its high sequential read speed, noting it delivers smoother playback when editing video files. They also appreciate its lightweight, bus-powered design and the inclusion of both USB-C and USB-A adapters, which together make it a solid choice for creators on the move.
Everyday users have limited publicly documented feedback, but the available comments emphasize appreciation for the drive's speed, portability, and cross-platform compatibility.
“the speed of this SSD mainly when reading files will provide smoother playback”


