Acer X3960 Core i3 2100, 4GB DDR3,ATI HD5450 DDR3 1GB, 500GB in Boon Lay Way, West Singapore for sale

It was used for surfing internet, watching light movies by my Dad. Got him a 17 inch laptop recently. Easier for him to move around with it. Desktop now sitting in store room. This set was bought at Harvey Norman less than 3 years ago which comes along with a 23 inch Acer monitor. I bought it at $999. However, he is keeping the monitor for his laptop usage.
This is a mini size low profile desktop. model X3960. Specs as per below.
1) Intel Core i3 processor 2100
2) Default 2GB DDR3 RAM but have upgraded to single piece 4GB DDR3 (Max 16GB)
3) 500GB Seagate Barracuda SATA HDD 7200RPM
4) Default Nvidia Geforce GT420 but change to ATI HD5450 DDR3 1GB
5) Multi-in-1 card reader
6) DVD Super Multi Drive
7) Built in WLAN & Ethernet Adapter
8) 5.1 channel sound
9）9 in 1 Multi media drive.
Do note that there is no OS installed. I have formatted the Windows 8.1 OS which it was run with.
The bottom multi media cover is loose. Keyboard, mouse and monitor not included. Everything else is working as good. Selling around $250.00 No cables includes. 3 days Personal Warranty!
Collect at Jurong areas. SMS me at 8168**** +show full number