Processor
Processor manufacturer	Intel
Processor family	Intel® Core™ i5
Processor generation	Intel® Core™ i5
Processor	i5-660
Processor number of 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 data transfer 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 сonfigurations	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 hard drives installed	1
Hard drive capacity	500 GB
Hard drive interface	SATA II
Hard drive rotational 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 quantity	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
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 (WiDi) Technology
Intel 64
Enhanced Intel SpeedStep Technology
Embedded options available
Intel® InTru™ 3D Technology
Intel® Insider™
Intel Clear Video HD Technology
Intel Clear Video Technology
Intel VT-x with Extended Page Tables (EPT)
Idle States
Thermal Monitoring Technologies
Intel AES New Instructions
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 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® Quick Sync Video Technology
Intel My WiFi Technology
Intel Anti-Theft Technology
Conflict-Free processor

Energy Management
Power supply	300 W

Operational Conditions
Operating temperature range (T-T)	15 - 35 °C
Operating relative humidity range	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