Processor
Processor manufacturer	Intel
Processor family	Intel® Core™ i5
Processor generation	Intel® Core™ i5
Processor model	i5-660
Processor cores	2
Processor threads	4
Processor boost frequency	3.6 GHz
Processor frequency	3.33 GHz
Processor socket	LGA 1156 (Socket H)
Processor cache	4 MB
Processor cache type	Smart Cache
System bus rate	2.5 GT/s
Bus type	DMI
FSB Parity
Processor lithography	32 nm
Processor operating modes	64-bit
Processor series	Intel Core i5-600 Desktop Series
Processor codename	Clarkdale
Thermal Design Power (TDP)	73 W
Tcase	72.6 °C
PCI Express slots version	2.0
Maximum number of PCI Express lanes	16
PCI Express configurations	1x16, 2x8
Number of processors installed	1
Number of Processing Die Transistors	382 M
Processing Die size	81 mm²
CPU multiplier (bus/core ratio)	25
Maximum internal memory supported by processor	16 GB
Memory types supported by processor	DDR3 1066/1333
Memory bandwidth supported by processor (max)	21 GB/s
ECC supported by processor

Memory
Internal memory	4 GB
Maximum internal memory	16 GB
Internal memory type	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB
Memory slots	4x DIMM
Memory clock speed	1333 MHz
ECC
Memory channels	Dual-channel

Storage
Optical drive type	DVD Super Multi
Number of HDDs installed	1
HDD capacity	500 GB
HDD interface	SATA II
HDD speed	7200 RPM
Card reader integrated

Graphics
On-board graphics card
On-board graphics card family	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics
On-board graphics card base frequency	733 MHz
Number of displays supported (on-board graphics)	2

Ports & interfaces
USB 2.0 ports quantity	10
VGA (D-Sub) ports quantity	1
DisplayPorts quantity	1
PS/2 ports quantity	2
Firewire (IEEE 1394) ports	1
Ethernet LAN (RJ-45) ports	1
Microphone in
Headphone outputs	5
Line-in
Serial ports quantity	1
DVI-I ports quantity	1

Expansion slots
PCI Express x1 slots	2
PCI Express x4 slots	1
PCI Express x16 slots	1
PCI slots	3

Design
Chassis type	Tower

Performance
Motherboard chipset	Intel® 3450

Performance
Audio system	HD
Product type	Workstation

Software
Operating system installed	Windows 7 Professional
Drivers included
Bundled software	Nero 9 Essentials XL

Processor special features
Intel® Wireless Display (Intel® WiDi)
Intel 64
Enhanced Intel SpeedStep Technology
Embedded options available
Intel® InTru™ 3D Technology
Intel® Insider™
Intel® Clear Video HD Technology (Intel® CVT HD)
Intel Clear Video Technology
Intel VT-x with Extended Page Tables (EPT)
Idle States
Thermal Monitoring Technologies
Intel® AES New Instructions (Intel® AES-NI)
Intel Trusted Execution Technology
Execute Disable Bit
Intel FDI Technology
Intel Flex Memory Access
Intel Fast Memory Access
Intel Enhanced Halt State
Intel Demand Based Switching
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)
Processor package size	37.5 x 37.5 mm
Supported instruction sets	SSE4.2
Physical Address Extension (PAE)	36 bit
CPU configuration (max)	1
Graphics & IMC lithography	45 nm
Intel Virtualization Technology for Directed I/O (VT-d)
Intel Virtualization Technology (VT-x)
Intel Dual Display Capable Technology
Intel Rapid Storage Technology
Processor ARK ID	43550
Intel® Turbo Boost Technology	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)
Intel® Quick Sync Video Technology
Intel® My WiFi Technology (Intel® MWT)
Intel® Anti-Theft Technology (Intel® AT)
Conflict-Free processor

Power
Power supply	300 W

Operational conditions
Operating temperature (T-T)	15 - 35 °C
Operating relative humidity (H-H)	10 - 75%

Certificates
Certification	GS, CE, FCC, CSA, RoHS, ENERGY STAR 5.0, IEC60601-1-2

Weight & dimensions
Width	203 mm
Depth	426 mm
Height	442 mm
Weight	16 kg

Packaging content
Display included
Mouse included

Other features
Power supply type	100 - 240 V, 50/60 Hz
External drive bays	2x 13.3cm (5.25"), 2x 8.9cm (3.5")
Internal drive bays	4 x 8.9cm (3.5")
Networking features	Gigabit Ethernet (10/100/1000)
Graphics card	Quadro FX 580
Graphics card manufacturer	NVIDIA