Thank you Kane wolf for your suggestion regarding the graphics card. Yes, it is connected to WIFI, and we can easily disconnect it. Regarding SSB, this is the description of the system I have. Not really sure whether I have it or not... Apologies for my ignorence
Embrace the Lates XPS mini tower ever. With 6th Gen Intel Core i7 Quad Core processor and DDR4 2133MHz Memory, you can blaze through system-intensive applications like video editing, HD video playback, serious multitasking and extreme gaming.
Processor: 6th Generation Intel Core i7-6700 Processor (8M Cache, up to 4.0 GHz)
Operating System: Windows 7 Professional English 64-bit Pre Installed on Desktop, Windows 10 Pro DVD included in package.
Memory: 16GB Dual Channel DDR4 2133MHz (8GBx2)
Hard Drive: 2TB 7200 rpm Hard Drive
Graphics Card: NVIDIA GeForce GTX 745 4GB DDR3
Optical Drive: DVD-RW Drive (Reads and Writes to DVD/CD)
Keyboard: Dell KB216 Wired Keyboard, English
Mouse: Dell Laser Mouse
W ireless: 802.11bgn + Bluetooth 4.0, 2.4GHz, 1x1
Sound Card: Integrated 7.1 with WAVE MAXXAudio Pro
Security Software: McAfee LiveSafe 12 Month Subscription
Dimensions: Height: 16.01" (406.8mm) x Width: 7.30" (185mm) x Depth 17.49" (444mm) Weight: 30.42lbs (13.8Kg) depending on configuration2
Slots: 4 DIMMs
Ports:
*** Front: (2) USB 2.0 Ports (Top), (2) USB 3.0 Ports, Mic-in, Headphone, Media Card Reader (MCR 19:1), (1) Powered USB Charging when system off (Top)
*** Rear: HDMI, Display Port, RJ-45 (10/100/1000Base), Audio (7.1 channel (6 Jack) Premium Audio Performance), Mic, Line-in, (4) USB 3.0 ports, (2) USB 2.0 ports
*** Media Card Reader: 19 in 1 Card Reader (CF Type I, CF Type II, Micro drive, mini SD, MMC, MMC mobile, MMC plus, MS, MS Pro, MS Pro Duo, MS Duo, MS Pro-HG, RS-MMC, SD, SDHC Class 2, SDHC Class 4, SDHC Class 6, SM, xD)
*** Chassis: (3) HDD bays, (2) ODD bays