Yes it is. If it were a refurbished unit or open box item that would be clearly stated in the description.

does this have a digital optical output for sound? and can you upgrade the videocard?

Yes it does have an optical out. Yes, you can upgrade the video card fairly easily. See my review though. I recommend getting a card with above average cooling. And I recommend finding a way to increase the speed of the case fans. This thing has horrible air flow design.

Can this PC be upgrade to 12 memory? Thanks, Robert

No it can't. It only as two memory slots and there is no such thing as a 6mb memory module. It can be upgraded to 16mb with two 8mb memory modules.

is this a quiet PC? can't have fan noise in studio

You will hear the fans when the graphics card is being pushed. Also when it wakes from a sleep state it briefly cycles the fans.

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Alienware Desktop PC X51 AX51R2-9309BK Intel Core i7-4790 8GB DDR3 1TB HDD AMD Radeon R9 270 2GB Windows 7 Home Premium 64-Bit

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Intel Core i7-4790
8GB DDR3
1TB HDD
Windows 7 Home Premium 64-Bit
AMD Radeon R9 270 2GB

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Overview

Specs

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Model
Brand	Alienware
Series	X51
Model	AX51R2-9309BK

Quick Info
Type	Gaming & Entertainment
Usage	Consumer
Color	Matte Stealth Black with Dark Chrome Accents
Processor	Intel Core i7-4790 3.6GHz
Processor Main Features	64 bit Quad-Core Processor
Cache Per Processor	8 MB L3 Cache
Memory	8GB DDR3 1600
Storage	1TB SATA 6Gb/s 7200RPM
Optical Drive	Slot-Loading Dual Layer Blu-ray Reader (BR-ROM, DVD+/-RW, CD-RW)
Graphics	AMD Radeon R9 270 2GB GDDR5
Power Supply	330W External Power Supply
Operating System	Windows 7 Home Premium 64-Bit

CPU
CPU Type	Intel Core i7
CPU Name	Intel Core i7-4790
L3 Cache Per CPU	8 MB
CPU Socket Type	LGA 1150
CPU Main Features	64 bit Quad-Core Processor Max Turbo Frequency 4.0GHz

Graphics
GPU/VGA Type	AMD Radeon R9 270 2GB

Memory
Memory Capacity	8GB DDR3
Memory Speed	DDR3 1600

Storage
HDD	1TB
HDD Interface	SATA III
HDD RPM	7200rpm

Optical Drive
Optical Drive Type	BD-ROM
Optical Drive Spec	Slot-Loading Dual Layer Blu-ray Reader (BR-ROM, DVD+/-RW, CD-RW)

Audio
Audio Features	Internal High-Definition 7.1 Performance Audio with Waves MaxxAudio

Communications
WLAN	DW1550 Wireless
Bluetooth	Yes

Back Panel Ports
Video Ports	1 HDMI

Mouse
Mouse Type	Alienware Optical Mouse

Keyboard
Keyboard Type	Alienware Multimedia Keyboard

Additional Information
First Listed on Newegg	July 08, 2014

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
Read full details

Return Policies

Return for refund within: 15 days

Return for replacement within: 15 days

This item is covered by Newegg.com's 15-Day Return Policy.
Read full return policy for details.

BenchmarksBenchmarks Information

Alienware Desktop PC X51 AX51R2-9309BK Intel Core i7-4790 8GB DDR3 1TB HDD AMD Radeon R9 270 2GB Windows 7 Home Premium 64-Bit

Learn more about the DELL AX51R2-9309BK

Customer Reviews of the DELL AX51R2-9309BK

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16883156304

BenchmarksBenchmarks Information

Alienware Desktop PC X51 AX51R2-9309BK Intel Core i7-4790 8GB DDR3 1TB HDD AMD Radeon R9 270 2GB Windows 7 Home Premium 64-Bit

Learn more about the DELL AX51R2-9309BK

Customer Reviews of the DELL AX51R2-9309BK

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info