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Pros: Up to 85mbps
Class 10 UHC 1 SDHC
Micro Card with full size adapter
Limited lifetime warranty
Other Thoughts: Buying an SD card can be confusing due to the multitude of classes and speeds. These classes and speeds define a minimum write speed and the SD Association class SD cards as 2, 4, 6 and 10 to indicate a minimum write speed of 2mbps, 4mbps, 6mbps and 10mbps respectively. UHS speed is designed for UHS devices only and UHS 1 has a minimum write speed of 10mbps and UHS 3 has a minimum write speed of 30mbps.
This card is UHS 1/Class 10 which has a minimum write speed of 10mbps and is actually rated for up to 85mbps (assuming the device supports these speeds). UHS 1/Class 10 is rated for use in HD cameras and video recorders.
I currently own and use a Sony RX100 iii camera that is UHS compatible and records 1080 video and takes HD photos, I also have a Win 10 laptop with a SD slot that is UHS compatible, so should be able to take full advantage of the speed that this SDHC card provides (up to 85mbps).
Testing the card in my camera was a little subjective as there is no real way to provide consistent metrics, however the card performed exceptionally well and I was not able to discern any difference in speed or performance between this card and the faster SDXC 64gb UHS 3/Class 10 SD card (rated for 95mbps) that is currently installed in the camera. 1080 video recorded without stutter and without any lag and HD images were processed quickly and without error.
I installed both SD cards in my laptop and was able to retest using Cristal Disk Mark in UHS mode. After reformatting the Silicon Power UHS 1/ Class 10 SDHC card returned sequential speeds of 72.03mbps read and 38.87mbps write and the other UHS 3/ Class 10 SDXC card returned sequential speeds of 87.63mbps read and 47.57mbps write.
Both cards felt equally speedy in the camera when shooting 1080 video and recording HD photos. This Silicon Power SD card comes with a full size adapter, a lifetime warranty, 32gb capacity and a ridiculous price.
Pros: Cherry MX Speed switches
RGB back lighting
Brushed Aluminum frame
Large font keycaps
USB pass-through port
Detachable wrist rest
100% anti ghosting
FPS and MOBA Keycaps
2 year warranty
Cons: Fancy lighting only works when CUE software is installed
CUE software needs 160mb space for install
Thick Keyboard cable
These switches will not be for everyone.
Other Thoughts: I bought my first IBM Model M mechanical keyboard around 1995 and since then have used mechanical keyboards of one type or another on all my PC’s at work and home.
In 2012 I bought my first Corsair keyboard, the K60. It was a solid design but had some issues; not all of the keys were actually mechanical switches, the keys were not illuminated and there was a strange left hand only wrist rest! Since then I have played with many mechanical keyboards, most with Cherry switches. Cherry make a number of different switches all of which have a different feel, some are linear (no click) like the red and black and some have tactile feedback like the blue and brown. Over the years I have found that for typing the blue switch is the most accurate and speedy (for me) and for gaming I prefer the red switch. Where I need a keyboard for both typing and gaming invariably I choose the brown switch. The brown has become my all round favorite, it has a low actuation force of 45g and an actuation distance of 2mm and a tactile bump so that I can ‘feel’ when the key is actuated.
Mechanical keyboards can be a little noisy when the keys bottom out and spring back, which can take some getting used to, with the blue being the loudest switch and the red the quietest (although Cherry now have a silent switch, which is quieter still). In the past I have tried some rubber O Rings under the keys to soften the noise as the keys bottom out. This can help somewhat.
I have recently swapped out my main gaming keyboard with Cherry MX Brown) to a TKL keyboard with a new type of key, the Romer G, and while I simply adore the new switch, I am not impressed with the overall design of the keyboard. It is asymmetric and the wrist rest provides no support, plus I miss my numpad. The Romer G Switches are impressive though with an actuation force of 45g and an actuation distance of 1.5mm it is a fast and quiet switch with great per key illumination. Unfortunately the overall design of the keyboard falls short.
Finally Cherry have responded to the Romer G with their own low actuation switch, the MX Speed. This has an actuation distance of 1.2mm and an actuation force of 45g, so in theory it will be even faster than the Romer G. Putting this key in a keyboard like the K70 is a great combination.
Setup was easy enough, however if connecting to motherboard USB 2 ports then you will need to connect both of the keyboard USB plugs starting with the one with 2 arrows. For a USB 3.0 connection only one keyboard plug needs to be connected (the one with the keyboard image on it). Just so you know. The keyboard cable is very thick and stiff which made the job of threading it around and behind my desk difficult. The keyboard design is just about perfect, with no border beyond the keys, they keyboard takes up the least amount of space possible for a full 104 key keyboard. The keys are perfectly positioned and spaced and the illumination is ideal with the larger key font that Corsair are using.
Once connected, the default color on the keyboard is red apart from the WSAD and arrow keys which are white. In order to get full color and macro control, the CUE software needs to be downloaded and installed. It does take up more than 160mb of hard drive space, something to think about if your main drive is a small SSD. Once the software is installed the RGB functionality of the keyboard can be seen, the keyboard displays an amazing light show of color, it really is beautiful and mesmerizing to look at even if it is functionally useless! Corsair have a number of light profiles that can be downloaded from their forums and installed for a little fun. The Cue software is getting better and better with time.
When it comes to the performance of the keyboard I was blown away. It took me a few days to become totally comfortable with this keyboard, I didn’t think that the shorter actuation distance and overall key travel would make such a difference, but it did. The keys felt more responsive, crisp and consistent across the board, even the larger keys had the same feel to them, something that has been missing in other Corsair keyboards. My typing accuracy actually got worse the first couple of days until I got used to the new switches, now I am as accurate as ever. My typing speed has not increased, but typing itself feels pretty good on this keyboard considering it is uses a linear switch with no tactile bump. Gaming is amazing, by far this is the best gaming keyboard I have used to date. Period.
Build quality on the Corsair is excellent, the feel of the keys is top class and a 2 year warranty is icing on the cake. The crazy light effects are impressive at the moment, perhaps they will begin to get on my nerves eventually.
I love this keyboard, mechanical perfection, for me. Try before you buy, mechanical switches are definitely a personal choice.
This review is from: Linksys AC1900 Dual Band SMART Wi-Fi Gigabit Router (EA6900)
Pros: AC1900 (600mbps on 2.4ghz and 1300mbps on 5ghz)
Can be wall mounted
4 Gigabit ports
USB 3.0 port
3 external antennas
Mobile apps for Android and iOS
Cons: No firmware updates since May 2014
1 year warranty
Weird design for wall mounting
Performance no better than AC1200 or AC1750
Other Thoughts: 802.11ac is now the default wifi protocol, with the entry point being AC1200. The next step up from AC1200 is AC1750 and AC1900, etc. AC1750 and AC1900 are both extremely similar to each other in that they are both 3 stream routers, the AC1750 is an earlier chipset that relied on an AC transceiver for 5ghz and an N transceiver for 2.4ghz whereas the newer AC1900 uses an AC transceiver for both 5ghz and 2.4ghz (commonly Broadcom). Broadcom also uses its TurboQAM to increase maximum link rate in 2.4ghz from 300mbps to 600mbps as 80mhz bandwidth is not possible in the 2.4ghz band. Add this to the 1300mbps link rate at 5ghz and AC1900 supplies a possible 1900mbps across both bands; AC1750 supplies 450mbps on 2.4ghz and 1300mbps on the 5ghz or 1750mbps in total.
However, in order to get these super high link rates you will need an AC1900 router, an AC1900 client and 40mhz bandwidth (on 2.4ghz). The first is easy, we have many AC1900 routers to choose from, the second is not so easy as few AC1900 clients are actually sold or included in mobile devices, and finally being able to use 40mhz on 2.4ghz is almost impossible due to the amount of congestion at this frequency, any interference from other nearby networks will cause the router to fall back to 20mhz.
Why buy AC1900 then, if you can’t get its rated performance? Perhaps faster file sharing from USB 3.0? Or better 2.4ghz due to the newer AC transceivers?
With all of that out of the way what do I think about this router?
Setup was simple, power down router and modem, swap out router, power up modem then power up router, once done final setup was performed via browser on a networked connected PC. I like the simple GUI that Linksys is using, it is definitely is user friendly but in my opinion is not quite so informative as other GUI’s in competing routers. I was able to hang the router on the wall where my existing router sits, however the orientation of the screw holes was weird and forced the router to be suspended with the antennas all pointing to the left and the Ethernet ports pointing to the right. It did not affect performance but forced me to re-route the Ethernet cables!
I work from home and having a speedy wireless and wired connection is vital, especially as I run my own network server with multiple VM’s running web based applications. Most of my mobile devices all have modern AC chipsets, some of which are even mu-mimo enabled and my main work laptop has an Atheros AC wireless chipset that is good for 300mbps on 2.4ghz and 867mbps on 5.0ghz.
I should point out that most users want a wireless/wired network that can take full advantage of their internet speeds. My cable connection provides a maximum of 65mbps down and 25mbps up so, to get the best from my internet connection, my wireless devices should all be able to ‘talk’ to the router at these rates or higher!
Being a geek I have an inherent need to test technology and routers are a bit of a hobby of mine. My test routine remains constant, I test network speeds only and do this using my laptop with the Atheros AC chipset at a set location, 40ft away from the router with 2 drywalls in between. The router is always set to channel 6 on 2.4ghz in 20/40mhz mode and channel 153 on 5ghz in 80mhz mode. WPA2 AES security is enabled. I then use Totusofts Lan Speed software to send packets of data to and from my laptop via wifi on both 2.4ghz and 5.0ghz to a wired PC on my network and record an average upload (write) and download (read) speed.
For this review I actually tested 4 routers, AC1200, AC1750, this AC1900 and my current default AC2600 mu-mimo 4 channel router.
To cut a long story short, all of the routers performed very similarly to each other, except for the AC2600 router which out-performed them all by quite a margin.
The EA6900 was able to write from one wired pc to another wired pc on my network via Ethernet at 689.50mbps and read at 869.23mbps which was faster than the AC1750 and AC1200 routers. I put this down to a faster, up to date cpu/chipset and more internal ram.
At 2.4ghz the EA6900 was able to write at 18.84mbps and read at 52.24mbps and at 5.0ghz the EA6900 was able to write at 31.85mbps and read at 65.56mbps. Not bad considering that I was testing at almost 40ft from my router with 2 drywalls in between!
This router was easy to setup, easy to use, has a pretty good interface and mobile applications to allow for remote access. Performance was really no better than AC1750 or AC1200, which is what I expected. The router has been consistent and reliable with no downtime so far and performance is leagues ahead of any N class router.
1 star off for weird wall mounting and lack of firmware updates.
Would I rush out and buy AC1900 over AC1200 or AC1750? No!
Performance is no better and range is the same, however at this price I see no reason to buy an entry level router.