((Direct link)) ASUS N551JK Laptop Bluetooth + WiFi Driver ...| For Windows ...

ASUS N551JK-series Laptop Software Support

WIFI + BLUETOOTH DRIVER
ASUS N551JK / ASUS N551J / ASUS N551-JK

For Windows 8.1(64bit)
((DRIVER)) WiFi/WLAN (Qualcomm Atheros)
((DRIVER)) WiFi/WLAN (Intel)
((DRIVER)) WiFi/WLAN (Ralink)

((DRIVER)) BLUETOOTH (Qualcomm Atheros)
((DRIVER)) BLUETOOTH (Intel)
((DRIVER)) BLUETOOTH (Ralink)

Asus N551 series – Asus N551JK Specs:

Screen : 15.6 inch, 1920 x 1080 px resolution, IPS
Processor : Intel Core i7-4710HQ
Chipset :  Intel HM86
Video : Intel 4600 HD and dedicated Nvidia 850M 2GB DDR3 graphics
Memory ; 16 GB DDR3
Hard-disk : 1 TB 5400 rpm HDD + 24 GB SSD
Connectivity : Wireless N, Gigabit Lan, Bluetooth 4.0
Ports : 3 x USB 3.0, HDMI, mini DisplayPort, LAN, card-reader
Baterry : 56 Wh, removable
Size :  383 x 259 x 33 mm
Weight : 2.6 kg (5.73 pounds)

ASUS N551JK-DH71 Specifications : 

PROCESSOR : CPU Intel Core i7 (4th Gen) 4710HQ / 2.5 GHz, Max Turbo Speed 3.5 GHz
RAM : Memory Speed 1600 MHz, DDR3L SDRAM, Installed Size 12 GB
Optical Drive : DVD-Writer / BD-ROM
DISPLAY : Resolution 1920 x 1080 (Full HD)
Graphics : NVIDIA GeForce GTX 850M - 4 GB DDR3 SDRAM
CAMERA : Integrated Webcam
Audio : Sound Stereo speakers, microphone
HARD DRIVE :  Speed 7200 rpm, Type HDD, Capacity 1 TB
COMMUNICATIONS : Wireless Protocol 802.11b/g/n, Bluetooth 4.0
CARD READER : Type 2 in 1 card reader
BATTERY : Capacity 56 Wh, Cells 6-cell, Technology lithium ion
Ports :  Headphone/microphone  jack, HDMI, Mini DisplayPort, 3 x USB 3.0, LAN