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 |
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”
