[802.11ac] ASUS RT-AC66U 及 PCE-AC66 無線黃金組合開箱評測(下)

 無線傳輸效能測試

這次的測試過程可說是一波三折,原先以為 ASUS 提供測試的是 USB 介面的無線網卡,待正式拆封後才知道是 PCI-E 1x 介面的網卡,因筆者手上的電腦不是筆電就是 EeeBOX 等輕薄 PC 為主的桌機,這些電腦都無法接 PCE-AC66 測試,好不容易找到一台 Acer H340 的 NAS 內建有 PCI-E 插槽,可是似乎是相容性的問題,接上 PCE-AC66 後一開機就當了,最後只好向友人商借一台 ASUS CP6130 桌機,才順利完成測試工作。

測試環境:
Server:QNAP TS-459 Pro+ 
Client:ASUS CP6130
我們設定的環境是以一台 NAS 當 Server,接於 RT-AC66U 的 LAN port,另一台桌機則採用 ASUS CP6130 安裝 PCE-AC66 無線網卡當成 Client。Server 及 Client 兩者之間的直線距離約三公尺(中間無明顯障礙物),同時測試 5GHz 及 2.4GHz iperf 傳輸效率,供大家參考。

5GHz 頻段 Client to Server:437Mbps

> iperf -c 192.168.2.55 -w 128k -t 60 -P 5 ------------------------------------------------------------ Client connecting to 192.168.2.55, TCP port 5001 TCP window size: 128 KByte ------------------------------------------------------------ [172] local 192.168.2.161 port 49398 connected with 192.168.2.55 port 5001 [180] local 192.168.2.161 port 49399 connected with 192.168.2.55 port 5001 [164] local 192.168.2.161 port 49397 connected with 192.168.2.55 port 5001 [148] local 192.168.2.161 port 49395 connected with 192.168.2.55 port 5001 [156] local 192.168.2.161 port 49396 connected with 192.168.2.55 port 5001 [ ID] Interval Transfer Bandwidth [164] 0.0-60.0 sec 620 MBytes 86.7 Mbits/sec [180] 0.0-60.0 sec 641 MBytes 89.6 Mbits/sec [172] 0.0-60.0 sec 659 MBytes 92.1 Mbits/sec [156] 0.0-60.0 sec 624 MBytes 87.3 Mbits/sec [148] 0.0-60.0 sec 583 MBytes 81.5 Mbits/sec [SUM] 0.0-60.0 sec 3.05 GBytes 437 Mbits/sec


5GHz 頻段 Server to Client:376Mbps

> iperf -c 192.168.2.161 -w 128k -t 60 -P 5 ------------------------------------------------------------ Client connecting to 192.168.2.161, TCP port 5001 TCP window size: 256 KByte (WARNING: requested 128 KByte) ------------------------------------------------------------ [ 5] local 192.168.2.55 port 53072 connected with 192.168.2.161 port 5001 [ 6] local 192.168.2.55 port 53071 connected with 192.168.2.161 port 5001 [ 7] local 192.168.2.55 port 53073 connected with 192.168.2.161 port 5001 [ 8] local 192.168.2.55 port 53075 connected with 192.168.2.161 port 5001 [ 9] local 192.168.2.55 port 53074 connected with 192.168.2.161 port 5001 [ ID] Interval Transfer Bandwidth [ 7] 0.0-60.0 sec 530 MBytes 74.1 Mbits/sec [ ID] Interval Transfer Bandwidth [ 5] 0.0-60.0 sec 537 MBytes 75.0 Mbits/sec [ ID] Interval Transfer Bandwidth [ 6] 0.0-60.0 sec 538 MBytes 75.2 Mbits/sec [ ID] Interval Transfer Bandwidth [ 8] 0.0-60.0 sec 541 MBytes 75.6 Mbits/sec [ ID] Interval Transfer Bandwidth [ 9] 0.0-60.0 sec 541 MBytes 75.6 Mbits/sec [SUM] 0.0-60.0 sec 2.62 GBytes 376 Mbits/sec


2.4GHz 頻段 Client to Server:144Mbps

> iperf -c 192.168.2.55 -w 128k -t 60 -P 5 ------------------------------------------------------------ Client connecting to 192.168.2.55, TCP port 5001 TCP window size: 128 KByte ------------------------------------------------------------ [188] local 192.168.2.161 port 49327 connected with 192.168.2.55 port 5001 [172] local 192.168.2.161 port 49325 connected with 192.168.2.55 port 5001 [156] local 192.168.2.161 port 49323 connected with 192.168.2.55 port 5001 [180] local 192.168.2.161 port 49326 connected with 192.168.2.55 port 5001 [164] local 192.168.2.161 port 49324 connected with 192.168.2.55 port 5001 [ ID] Interval Transfer Bandwidth [180] 0.0-60.0 sec 196 MBytes 27.3 Mbits/sec [172] 0.0-60.0 sec 216 MBytes 30.1 Mbits/sec [188] 0.0-60.0 sec 211 MBytes 29.5 Mbits/sec [156] 0.0-60.0 sec 197 MBytes 27.6 Mbits/sec [164] 0.0-60.0 sec 213 MBytes 29.7 Mbits/sec [SUM] 0.0-60.0 sec 1.01 GBytes 144 Mbits/sec


2.4GHz 頻段 Server to Client:136Mbps

> iperf -c 192.168.2.161 -w 128k -t 60 -P 5 ------------------------------------------------------------ Client connecting to 192.168.2.161, TCP port 5001 TCP window size: 256 KByte (WARNING: requested 128 KByte) ------------------------------------------------------------ [ 6] local 192.168.2.55 port 53873 connected with 192.168.2.161 port 5001 [ 5] local 192.168.2.55 port 53874 connected with 192.168.2.161 port 5001 [ 9] local 192.168.2.55 port 53876 connected with 192.168.2.161 port 5001 [ 7] local 192.168.2.55 port 53875 connected with 192.168.2.161 port 5001 [ 8] local 192.168.2.55 port 53877 connected with 192.168.2.161 port 5001 [ ID] Interval Transfer Bandwidth [ 6] 0.0-60.0 sec 195 MBytes 27.3 Mbits/sec [ ID] Interval Transfer Bandwidth [ 5] 0.0-60.0 sec 195 MBytes 27.3 Mbits/sec [ ID] Interval Transfer Bandwidth [ 8] 0.0-60.0 sec 195 MBytes 27.3 Mbits/sec [ ID] Interval Transfer Bandwidth [ 9] 0.0-60.0 sec 195 MBytes 27.3 Mbits/sec [ ID] Interval Transfer Bandwidth [ 7] 0.0-60.0 sec 195 MBytes 27.3 Mbits/sec [SUM] 0.0-60.0 sec 976 MBytes 136 Mbits/sec



測試心得
依過去的測試經驗 802.11ac 傳輸瓶頸通常落在網卡介接規格上,而 ASUS PCE-AC66 採用了 PCI-E 介面改善了USB 2.0 傳輸瓶頸。不過就如同筆者前面所提到的測試窘境,PCI-E 等內接式介面未必是最普及的選擇,畢竟用筆電取代桌機的人也不在少數,更何況對一般使用者而言,若需要拆機才能夠安裝無線網卡,相對地也提高了使用者的購買意願及門檻,建議 ASUS 未來也能顧及多數使用者的環境,提供 USB 3.0 介面的 802.11ac  無線網卡。

雖然如此,筆者還是認為 RT-AC66U 無線路由器及 PCE-AC66 無線網路卡的搭配組合,已經突破以往的測試數據,實際測試傳輸速率可達到 400Mbps 以上,以現階段市場上各家推出的 802.11ac 組合商品而言,兩者的搭檔堪稱是無線 AC 黃金組合,適合有巨量資料需要無線傳輸需求的用戶參考。

參考資料:
ASUS RT-AC66U - 802.11ac 雙頻無線 AC1750 Gigabit 路由器
ASUS PCE-AC66 - 802.11ac 雙頻 Wireless-AC1750 PCI-E 適配器
RT-N16 官方新版韌體 ASUSWRT RT-N16_3.0.0.3
[802.11ac] 極速無線初體驗 Netgear R6300 無線路由器
[802.11ac] Netgear A6200 USB 無線網卡開箱評測

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