SanDisk Extreme
Score: 87/100
Samsung 990 PRO
Score: 81/100Rankings
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 Samsung 990 PRO 1TB is a high-performance PCIe 4.0 NVMe SSD delivering up to 7,450 MB/s read and 6,900 MB/s write speeds with strong security features. Its heatsink-less design and limited pSLC cache can limit sustained heavy workloads. Best suited for gamers, content creators, and professionals who need maximum PCIe 4 throughput on desktops or laptops with adequate cooling.
| Attribute | | |
|---|---|---|
1,000 GB | 1,024 GBbest | |
1,050 MB/s | 7,450 MB/sbest | |
1,000 MB/s | 6,900 MB/sbest | |
— | 1,200,000 IOPSbest | |
— | 1,550,000 IOPSbest | |
— | 600 TBbest | |
— | 1,500,000 hoursbest | |
— | 1,024 MBbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Interface | USB 3.2 Gen 2 | PCIe 4.0 x4 |
Performance(2) | ||
Sequential Read Speed (MB/s) | 1050 MB/s | 7450 MB/s |
Sequential Write Speed (MB/s) | 1000 MB/s | 6900 MB/s |
Storage(1) | ||
Storage Capacity (GB) | 1000 GB | 1024 GB |
Design & Build(3) | ||
Form Factor | Portable | M.2 2280 |
Weight (g) | 52 g | 9.1 g |
Dimensions (L×W×H) (mm) | 101x52x10 mm | 80.3×22.1×2.3 mm mm |
Products in the top-left offer the best value (high score, low price).
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.
Professional reviewers commend the 990 PRO for its exceptional speed, gaming-optimized random performance, and strong reliability, while noting the smaller DRAM cache and lack of a heatsink as potential drawbacks under heavy sustained loads.
Everyday users praise the drive's blazing speed and security, but note concerns about the smaller DRAM cache and possible throttling without a heatsink.
“the speed of this SSD mainly when reading files will provide smoother playback”
