Packaging & Contents Dimensions & Weight Build Quality CrystalDiskMark Benchmark Speed Test ATTO Benchmark Speed Test AS-SSD Benchmark Speed Test Conclusion

Packaging & Contents

The Hama Probo ships on a large plastic shrink wrap. The drive has been awarded five gold stars by Hama which according to the key on the back of the package means it can write at up to 45 MB/s, most of the wording is in German so we might have missed something there because it turned out that our benchmark write scores ( Crystalmark and ATTO) for this drive came in at 36 MB/s. The drive comes with a 10 year warranty and there are links to the Hama website offering their free software bundles. The drive ships with a grey keychain which is bundled into the back of the plastic carton.

Hama Probo USB 30 16GB Box Front
Hama Probo USB 30 16GB Box Back

Dimensions & Weight

The Probo measures 5.7cm long, 2.1cm wide and 1cm high, this is one of the shortest flash drives we have seen. Weighing in at 11 grams the Probo is also very light which combined with its short length make it ideal for shirt pocket use.

Hama Probo USB 30 16GB Length Ruler

Build Quality

The Hama Probo is solid and well constructed. There is a blue light inside shell that flashes when the drive is in use. The drive has a retractable no fuss design that clunks between its open and shut positions very satisfyingly. There is a hole at the back of the drive where you can attach a keyring reasonably securely. Overall we were impressed with the build quality on this drive especially given its small size and below average weight.

Hama Probo USB 30 16GB Front
Hama Probo USB 30 16GB Back

Test System

The test rig was a high end Core-i7 workstation kitted out with a 256GB Solid State drive and 16GB of RAM. The system was designed to be overclocked to 5GHZ but for the benchmarks, only the stock frequencies of 1.6GHz idle, 3.4GHz active and 3.8GHz turbo boost were used.
Motherboard ASUS P8Z68-V GEN 3
RAM Corsair Vengeance 16GB Dual Channel DDR3 (CML16GX3M4A1600C9)
Fixed Drive Corsair Performance Pro 256GB
CPU Intel Core i7-2600K
Operating System Windows 7

CrystalDiskMark Speed Test[FAQ]

CrystalDiskMark is a free disk benchmarking utility that is very simple to use. It takes eight measurements: the read and write speeds in megabytes per second (MBps) for sequential, 512KB, random 4KB and 4KB parallel disk operations. There are more screenshots from this benchmark posted on the web than any other, probably due to its clean and simple display. There is further information, including instructions on how to benchmark your own drives, on the CrystalDiskMark wiki page.

CrystalDiskMark Score

The Probo scored 71/36 MB/s in the sequential read/write tests. These headline sequential figures are not earth shattering but they are reasonable. The Probos strongest relative performance is in the sequential read at 36 MB/s. This drive does not have any particular weaknesses but neither does it excel at anything.

Crystaldiskmark Benchmark

ATTO Disk Benchmark[FAQ]

The Atto Disk Benchmark has probably been around for longer than any other disk benchmarking software, and you can tell from its dated interface! The utility was designed to measure regular disk drive performance but it's more than up to the task of measuring both USB flash drive and SSD speeds as well. The utility measures disk performance rates for various sizes of file and displays the results in a bar chart showing read and write speeds at each file size. The results are displayed in megabytes per second (MBps). There is further information, including instructions on how to benchmark your own drive, on the Atto wiki page.
ATTO Benchmark

ATTO Score

The ATTO results for the Probo are broadly in line with the CrystalDiskMark scores and at 65/35 MB/s come in under Hama's claimed write speed of 45 MB/s.

AS SSD Real World Copy Speed[FAQ]

The AS SSD benchmarking program was recently developed specifically for benchmarking SSD's. The utility is able to take several measurements that are well suited to solid state drives. One of the tests, ISO copy, is also relevant to slower storage devices including flash drives. The ISO copy test places two large 500MB files in a folder on the drive and then times how long it takes to copy the folder to another location on the same drive. The result is reported in both MBps and time taken. It's a real-world test that gauges a drives ability to read and write at the same time. Drives that have a good balance between their read and write speed fare relatively well on this test. There is further information, including instructions on how to use it to benchmark your own drive, on the AS SSD wiki page.

Real World Copy Speed Score

This test shows that the Probo would take 53.48 seconds to create a copy of a large 1GB video file. Generally flash drives complete this test at roughly half their sequential write rates. The Probo performed as expected in this test.

AS-SSD Copy Benchmark


The Hama Probo is a great all round flash drive with above average performance. The retractable mechanism is good and it's both small and light. In terms of value for money this drive is well above average thanks to its strong performance and reasonable price point.

Original Review by:  
Updated 10 years ago.  
Hama Probo USB 30 16GB Front

Average Bench: 12.9% (378th of 639)

Based on 20 user benchmarks.  Device: VID 1f75 PID 0902 Model: General USB Flash Disk

The Hama Probo is a great all round flash drive with above average performance. The retractable mechanism is good and it's both small and light. In terms of value for money this drive is well above average thanks to its strong performance and reasonable price point. [Jun '12 USBFlashPro]

Poor: 9%Average: 12.9% Great: 19%

Terrible average bench

The Hama Probo USB 3.0 16GB averaged 87.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 4.27MB/s
Avg. Sequential Write Speed 25.1MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Hama Probo USB 3.0 16GB is just 10%. This is a relatively narrow range which indicates that the Hama Probo USB 3.0 16GB performs reasonably consistently under varying real world conditions.


Avg. 4K Random Mixed IO Speed 0.1MB/s
Avg. 4K Random Write Speed 0.25MB/s

Average Bench

(Based on 20 samples)
Min Avg Max
25 Read 40 92.8
18.2 Write 25.1 35.6
7.3 Mixed 19.3 38.7
8.8 SusWrite 21.7 33.9
33.2% 26.5 MB/s
Min Avg Max
0.1 4K Read 4.27 8.5
0 4K Write 0.25 0.63
0 4K Mixed 0.1 0.58
27.9% 1.54 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
10GB free, PID 0902
Operating at USB 3.0 Speed
SusWrite @10s intervals: 34 34 34 34 34 34 MB/s
Read 67.4
Write 35.2
Mixed 17.6
SusWrite 33.9
46% 38.5 MB/s
4K Read 4.1
4K Write 0.3
4K Mixed 0.2
32% 1.53 MB/s
2GB free, PID 0902
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 28 28 28 28 28 MB/s
Read 39.2
Write 28.2
Mixed 17.9
SusWrite 28
36% 28.3 MB/s
4K Read 0.1
4K Write 0.5
4K Mixed 0
17% 0.2 MB/s
14GB free, PID 0902
Operating at USB 3.0 Speed
SusWrite @10s intervals: 20 26 26 26 26 26 MB/s
Read 29.2
Write 26.7
Mixed 23.6
SusWrite 24.8
35% 26.1 MB/s
4K Read 6.3
4K Write 0
4K Mixed 0
23% 2.1 MB/s
11GB free, PID 0902
Operating at USB 3.0 Speed
SusWrite @10s intervals: 19 19 19 19 19 19 MB/s
Read 19.7
Write 19.8
Mixed 8.5
SusWrite 19.2
22% 16.8 MB/s
4K Read 1.4
4K Write 0.5
4K Mixed 0
22% 0.63 MB/s
20 MORE »
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USB Flash Drive Rankings (Price vs Performance) June 2022 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


Retractable USB-Connector...

Added 10 years ago.


6 years ago.

I get much better speeds than you did, around 131MB/s and 63MB/s, in my i5-4670k system.

Below average

10 years ago.


Read my full review and see the lab test results.

639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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