Yet another small and relatively fast USB Flash. Transcend JetFlash 710S (TS32GJF710S) 32 GB.
Test results are very different on different system and test versions.
CrystalDisk Mark 3
CrystalDisk Mark 5
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SanDisk Extreme USB 3.0 64GB
Fast wi-Fi router with two 5GHz channels.
Review by SmallNetBuilder an CNET
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Dell XPS 15
High-end relatively light-weight (2kg) notebook with 4K 15.6″ touchscreen. Dell XPS 15 9550. Device performance is good. Good Wi-Fi speed (important since Ethernet port is absent). Good CPU, SDD, Video performance.
There is a lot of good points about the device:
- high performance
- high resolution
- tiny display borders
- bright display colors
- keyboard backlight
- chasis materials
- ~4h batery life (84Wh)
And some points that is not that good
- glance display reflect light
- touch screen cause fingerprints on display
- tiny borders on touchscreen cause touches when change display angle
- low HiDPI suport in Windows environment
- lack of Ethernet port
- Unavailability of dock accessories on Ukrainian market
- Windows 10 HOME (that is not support virtualisation and bitlocker)
- Long boot (15 seconds of BIOS POST)
Also there are McAfee Antivirus and additional DropBox space as a bonux for 1 year.
HiDPI compatibility
Windows, Windows applications, Java applications, sites, etc need may or may not be HiDPI aware. The issue with browsers is just about images that may (and one day will) be better for high resolution clients. The issue with OS and application are more painful. A lot of application just not usefull anymore on 15″ 4K display. OS trying too zoom Windows application to work with high DPI. For some it works, for some not.
FastStone Image Viewer on UHD display
Java Application
Java applications are just tiny windows that is hard to work with.
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WordPress and UHD display
The fast solution to make wordpress display high resolution images on HiDPI dispalys is install plugin WP Retina x2
Best microSD cards, that may be found today at stores is UHS-I with sequental read/write speed about 80-90 MB/s. To achive this read/write speed cardreaders must support at least UHS-I standard and be connected using fast interface like USB 3.0 or better. Use of old readers will reduce speed to about 20 MB/s. Use of USB 2.0 with UHS-I reader gives about 40 MB/s
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| Price hotline.ua 24.04.2016 | 37.29$ | 22.64$ | 18.03$ |
| Sequential (QD=Q32) (MB/s) | R 96.20 MB/s W: 88.60 MB/s |
R: 94.02 MB/s W: 85.66 MB/s |
R: 92.27 MB/s W: 81.81 MB/s |
| Random 4KB (QD=32) (MB/s) | R 8.63 MB/s W: 3.22 MB/s |
R: 10.19 MB/s W: 1.69 MB/s |
R: 11.76 MB/s W: 1.47 MB/s |
| Sequental (MB/s) | R: 97.31 MB/s W: 88.49 MB/s |
R: 94.81 MB/s W: 87.46 MB/s |
R: 91.23 MB/s W: 86.20 MB/s |
| Random 4KB (MB/s) | R: 8.63 MB/s W: 3.27 MB/s |
R: 9.98 MB/s W: 1.45 MB/s |
R: 10.37 MB/s W: 1.44 MB/s |
Cards:
SDSDQXP-032G-G46A Sandisk Extreme PRO MicroSDHC (633x) UHS-I U3
TS32GUSDU3 Transcend ULTIMATE microSDHC 32GB (633x) UHS-I U3
SDCA3/32GB Kingston MicroSDHC 32GB UHS-I U3
Cardreader:
Transcend TS-RDF9
Software:
CrystalDiskMark 5.1.2 x64
Additional reading for topic:
http://www.cameramemoryspeed.com/reviews/sd-cards/
https://www.sdcard.org/developers/overview/bus_speed/index.html
Quick comparision of couple USB 3.0 cardreaders with UHS-I support.
Transcend 300x SDHC UHS-1 U1
| TS-RDF5 | TS-RDF8 | TS-RDF9 | FCR-MLG4 | |
| Read speed | ||||
| Sequential Read (QD=Q32) (MB/s) | 92.26 | 88.71 | 93.56 | 94.11 |
| Random Read 4KB (QD=32) (MB/s) | 6.58 | 9.39 | 10.52 | 10.50 |
| Sequental Read (MB/s) | 93.54 | 93.54 | 94.17 | 94.37 |
| Random Read 4KB (MB/s) | 6.38 | 8.92 | 10.11 | 10.04 |
| Write Speed | ||||
| Sequential Write (QD=Q32) (MB/s) | 35.05 | 38.22 | 37.89 | 38.25 |
| Random Write 4KB (QD=32) (MB/s) | 0.98 | 1.00 | 0.78 | 1.03 |
| Sequental Write (MB/s) | 34.81 | 37.95 | 37.54 | 37.33 |
| Random Write 4KB (MB/s) | 0.82 | 0.68 | 0.88 | 0.66 |
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Windows 10 Related issue
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SanDisk MicroSD 32 GB Extreme Pro
Yet another Ambarella A7la50 with Omnivision OV4689 and GPS. Device record in .MOV (H.263/AAC) files that contains GPS track inside.
There is a lot of good things about the device:
- It record SHD.
- Have large LCD with relatively good view angles.
- Good holder with build-in connector that make it easy to install and remove device using one hand.
- GPS on suction cap.
- Support SDXC cards.
- Able to record time-lapse.
- Internal memory available (can store 1 min of S.Fine SHD video file).
- Video stamp allow customizations
And some not that good
- CarDV player not good
- IR LEDs gives no light to image
- Poor Sound record quality
- 130 mAh battery
- Not compatible with iPad (SD card reader import)
- UI not perfect (both menu structure and functions assigned to keys)