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Archer C9 writing on SSD with USB 3.0 30 mb/s ??

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Archer C9 writing on SSD with USB 3.0 30 mb/s ??

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Archer C9 writing on SSD with USB 3.0 30 mb/s ??
Archer C9 writing on SSD with USB 3.0 30 mb/s ??
2019-10-11 07:01:28 - last edited 2019-10-16 09:08:08

Model: Archer C9

Hardware Version: V5

Firmware Version: 1.2.2 Build 20180423 rel.85787

hi, when i try to write on ssd disk from my pc(gigabit lan) the speed is 30 mb/s.

Gigabi Lan = 120 mb/s.
SSD write and testet on my pc and laptop 500 mb/s
and router Archer C9 v5 have usb 3.0 (5gb/s=590 mb/s)
but real speed is on C9 usb 3.0 = 30 mb/s (with lan gigabit transfer) - WHY ???????????????????

usb 3.0(30 mb/s) it same to usb 2.0 (20 mb/s) not have controler or what i buy this router to make fast transfer to my network
 
i try to go back olds firmware but result is same max speed write speed is 30 mb/s

TP-LINK lay fast ubs 3.0 tnasfer i try 5 ssd(Samsung,Kingston, Cruacal, Adata and WD) not work correctly, on logs usb 3.0 [946] USB3 is FOUND but no work correctly max write speed 30 mb/s need to be 120 mb/s via Gigabit port

 

i wait answer from TP-LINK !!!

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Re:Archer C9 writing on SSD with USB 3.0 30 mb/s ??
2019-10-12 02:41:28

@Chaplin 

 

Do you mean 30MB and 120MB which is 240mbps/1Gbps, so do others? 

 

How do you test the writing speed? Via ethernet or wireless？ You can show us a screenshot of the writing process.

 

With computer connected to the Archer C9, please click here to verify the wired negotiation speed. 

Note: The steps are the same, while you need click ethernet connection or local area connection. 

 

Good day. 

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer AX55V2 Supports WireGuard VPN, EasyMesh Ethernet Backhaul, IoT Network, Speed Limit,and More If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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Re:Archer C9 writing on SSD with USB 3.0 30 mb/s ??
2020-04-08 09:53:37

@Chaplin 

You know what is stupid? To buy the same brand twice, after you were dissapointed first time. I know I did that and now I regret it. After the horrible WDR3600 which froze about 2-3 times a day, now I just bought the Archer C7 only to realize that it's USB 2.0 speed is 5MB/s instead of 35 MB/s.

TP-link has its own "meaning" of USB speed and that is usually about 5-6 times slower than it should be.

Now I was looking maybe to upgrade to C9 (how stupid of me, right? Instead I could try the Tenda AC15 or the Dir 882) so I was looking for info about the USB 3.0 speed - and I found your post.

 

Yes, the USB 3.0 port of Archer C9 is only capable of about 30 MB/s (MegaBYTES /s) give or take, while an USB 3.0 drive connected to PC (not SSD but regular drive - Seagate Expansion 4TB) can get about 195 MB/s.

https://www.trustedreviews.com/reviews/tp-link-archer-c9-ac1900-performance-and-verdict-page-2

 

Some other tests show even worse performance:

http://mail.smallnetbuilder.com/wireless/wireless-reviews/32859-tenda-ac15-ac1900-smart-dual-band-gigabit-wifi-router-reviewed?tmpl=component&print=1&layout=default&page=

 

In fact, the Tenda AC15 is half the price and twice the transfer speed.

 

Here are some other options for makers that know how to properly use USB:

https://www.smallnetbuilder.com/tools/charts/router/bar/175-ntfs-read-usb-3-0/35

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