SSK Portable SSD 1TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This 1TB USB 3.2 Gen2 SSD offers 1050MB/s advertised speeds and broad device compatibility, but real-world performance can be inconsistent.
This SSD is a situational fit because its 1050MB/s advertised speed and broad compatibility are appealing, especially for iPhone 15 ProRes capture. However, user reports of inconsistent real-world speeds and durability issues mean it's not a guaranteed performer for all heavy-duty tasks.
If you need guaranteed sustained high speeds for large files, look for external SSDs with active cooling or higher endurance ratings from more established brands.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Advertised read speeds up to 1050MB/s and write speeds up to 1000MB/s for quick file access.
- Includes both USB-C and USB-A cables, making it compatible with a wide range of devices out of the box.
- Supports 4K60Hz ProRes HDR video capture directly from iPhone 15/Pro, consuming less than 2.4 Watts.
- Features S.M.A.R.T. monitoring and TRIM technology for drive health and consistent write speeds.
- SLC caching allocates 25% of available capacity for high-speed transfers, maintaining 10Gbps for files under 250GB.
Cons
- Actual transfer speeds often fall short of advertised 1050MB/s, especially with large files or sustained use.
- Reports of overheating during extended data transfers, potentially impacting performance and longevity.
- Some users experienced drive failures within months, raising concerns about long-term durability.
- The 1TB capacity displays as approximately 931GB on Windows, which some users find misleading despite the technical explanation.
- Compatibility issues reported with certain devices or older operating systems.
Dimension Scores
Advertised speeds are 1050MB/s read and 1000MB/s write, but user reports indicate inconsistent real-world performance, especially with large files.
Multiple user complaints mention drive failures within months, overheating, and the drive stopping working, indicating below-average reliability.
1TB is a widely useful capacity for many users, though the ~931GB display on Windows is a minor point of confusion.
The inclusion of both USB-C and USB-A cables and stated compatibility with desktops, laptops, smartphones, tablets, and televisions offers broad device support.
Best For
- iPhone 15/Pro users needing direct 4K60Hz ProRes HDR video capture.
- Quick, small-to-medium file transfers between modern USB-C and older USB-A devices.
- Expanding storage for smartphones and tablets on the go.
Not Recommended For
- Professionals requiring sustained peak performance for very large, continuous file transfers.
- Critical data storage without redundant backups due to reported reliability concerns.
- Users expecting consistent 1050MB/s speeds in all real-world scenarios.
Watch Out For
- The drive can get hotter than expected during use, particularly with large file transfers, which might affect performance and lifespan.
- While advertised as 1TB, Windows operating systems will show around 931GB of usable space due to algorithmic differences in how storage is calculated.
- Some users reported the drive stopping working entirely after a short period, including blue screens during large file operations.
- Advertised speeds of 1050MB/s are often not met in real-world tests, with actual performance varying significantly.
- The build quality, while appearing sleek, has been described as flimsy by some, raising questions about its resilience to bumps and travel.
Full Specifications
| ASIN | B0BGL4SHY8 |
| Brand | SSK |
| Color | Grey |
| Series | SD500/1TB |
| Hard Drive | 1 TB Solid State Drive |
| Item Weight | 1.06 ounces |
| Manufacturer | SSK corporation |
| Special Feature | 1050 MB/s, LED Light, Portable, SMR Technology, TRIM Support |
| Flash Memory Size | 1 TB |
| Hardware Platform | Linux |
| Installation Type | External Hard Drive |
| Item model number | SD500 |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet, Television |
| Product Dimensions | 2.7 x 1.48 x 0.49 inches |
| Hard Disk Interface | PCIE x 4 |
| Hard Drive Interface | PCIE x 4 |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 2.5 Inches |
| Item Dimensions LxWxH | 2.7 x 1.48 x 0.49 inches |
| Connectivity Technology | USB 3.2 GEN2, USB-C/USB-A |
| Number of USB 3.0 Ports | 1 |
| Digital Storage Capacity | 1 TB |
What Buyers Say
The most surprising finding is the frequent discrepancy between the advertised 1050MB/s speeds and actual user experience, with many reporting significantly lower or inconsistent performance. Users are drawn to its promise of speed and the convenience of dual cables, but concerns about overheating during transfers and the drive's long-term durability are recurring themes. The perceived 'missing' gigabytes on Windows also frustrates some, even with the technical explanation. It seems to be a hit-or-miss product, working well for some light tasks but struggling under heavier loads.
“Man, I bought this for my iPhone 15 Pro to record video, and yeah, it works, but sometimes it gets so hot and the transfer speeds are nowhere near what they said. I'm kinda worried it's gonna die on me.”
Common Praise
- The drive is small and easy to carry around.
- It connects directly to phones and cameras for quick media transfers.
- The inclusion of both USB-C and USB-A cables is convenient for different devices.
- The LED light indicates when the drive is active.
Common Complaints
- Actual transfer speeds are often much slower than the advertised 1050MB/s.
- The drive gets hot during sustained use, especially with large files.
- Some units failed or stopped working within a few months of purchase.
- The build quality feels flimsy, not inspiring confidence for durability.
- Compatibility issues with certain devices or older operating systems.
Ownership Tips
- The drive's performance can degrade noticeably during long, continuous file transfers due to heat.
- You might need to format it differently if you want to use the full advertised capacity on Windows, but it's still a display difference.
- The included cables are useful, but some users reported issues with the drive not connecting properly with certain USB-C cables, so keep that in mind.
- The small size makes it easy to misplace if you don't have a dedicated pouch or case.
Frequently Asked Questions
Will this SSD actually hit 1050MB/s speeds?
The drive is rated for up to 1050MB/s read and 1000MB/s write, but real-world performance often varies and can be lower, especially with large files or sustained transfers.
Why does my 1TB drive show up as 931GB on Windows?
This is normal due to differences in how Windows calculates storage (1GB = 1024MB) versus how SSDs are marketed (1GB = 1000MB). MacOS typically displays the full 1TB.
Can I use this with my iPhone 15 Pro for video recording?
Yes, it's designed to empower 4K60Hz ProRes HDR video capture for iPhone 15/Pro, with power consumption under 2.4 Watts.
Is this drive durable for travel?
While compact, some users have described the casing as flimsy, and there are reports of drive failures, so handle it with care if traveling frequently.
Does it come with both USB-C and USB-A cables?
Yes, it includes both USB-C and USB-A cables, featuring rapid USB 3.2 Gen2 for broad compatibility.
Does this SSD get hot?
Some users have reported it getting hotter than expected during extended use or large file transfers.
Buying Guide
When you're looking at external SSDs, don't just stare at the big speed numbers. You need to think about what you're actually doing with it. Are you moving a few small photos, or are you constantly dumping huge video files? That makes a huge difference for how the drive performs over time. Also, consider what devices you'll plug it into – not all USB-C ports are created equal, and older devices might not even support the fastest speeds.
Read/Write Speed (MB/s)
This tells you how fast files can move to and from the drive. Higher numbers mean quicker transfers, but remember that 'up to' speeds are often best-case scenarios, like a car's top speed on a perfect track.
Interface (e.g., USB 3.2 Gen2)
This is the connection type and its maximum theoretical speed. USB 3.2 Gen2 (10Gbps) is faster than older USB 3.0 (5Gbps), but your device also needs to support that speed, like a highway where both the car and the road need to be fast.
Capacity (TB/GB)
This is simply how much data the drive can hold, like the size of a storage locker. 1TB is 1000 gigabytes, which is a lot for documents and photos, but can fill up fast with 4K video.
Alternatives
If this drive doesn't quite fit, look for external SSDs with higher sustained write speeds and better thermal management for heavy workloads, or consider models from brands with a stronger reputation for long-term reliability.
You Might Also Like
Seagate IronWolf Pro SATA III 3.5" Internal NAS Hard Drive, 2-Pack - 8TB
$300-$599A 2-pack of 8TB 7200 RPM CMR internal hard drives with 256MB cache, built for 24/7 multi-bay NAS environments.
QNAP TS-453E-8G-US 4 Bay High-Performance Desktop NAS with Intel Celeron Quad-core Processor, 8 GB DDR4 RAM and Dual 2.5GbE (2.5G/1G/100M) Network Connectivity (Diskless)
$600+A 4-bay diskless NAS with an Intel Celeron J6412, 8GB DDR4 RAM, dual 2.5GbE, and M.2 NVMe slots for businesses needing long-term support.
Seagate Exos 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF - ST28000NM000C (Renewed)
$300-$599This 28TB, 7200 RPM, 3.5-inch CMR SATA 6Gb/s renewed hard drive is for serious data hoarders needing massive capacity at a lower price point.
1TB G-Drive ArmorATD Rugged, Durable Portable External HDD, Up to 130MB/s, USB-C (5Gbps), USB 3.2 Gen 1 – SDPHE1G-001T
$50-$99A 1TB mechanical hard drive with a 130MB/s read speed and USB-C (5Gbps) connectivity, built for users needing rugged, portable storage for school or creative projects.