In the box:

HP Small Form Factor Desktops, Intel E7200 2.53GHz Dual-Core, 4GB RAM, 250GB SATA, Win7Pro 64-Bit Power Cable USB Mouse USB Keyboard

specifications:

Processor: Intel Core 2 Duo E7200 2.53GHz
3MB L2 Cache
Processor Core: Dual-Core
Memory: 4GB DDR2; supports up to 8GB
Memory Slots: 4
Graphics: Integrated Intel GMA 3100
Hard Drive: 250GB SATA 7200RPM
Optical Drive: DVD-ROM
Sound: Yes
Network: 10/100/1000 Gigabit Ethernet
Wireless: No

Front Panel:

(2) USB 2.0
(1) Headphone
(1) Microphone

Rear Panel:

(6) USB 2.0
(1) RJ-45 LAN
(1) VGA
(2) PS/2 (Keyboard and Mouse)
(1) Audio: Line-in/Microphone
(1) Audio: Line-out
(1) Serial Port

Expansion Slots & Bays:

(1) Low Profile PCI slot
(2) Low Profile PCI Express x1 slot
(1) Low Profile PCI Express x16 slot
(1) 5.25″ Drive Bay
(2) 3.5″ Drive Bays

Operating System:

Genuine Windows 7 Professional 64-bit

Power Supply:

240W Max

Dimensions:

14.90″(L) x 3.95″(W) x 13.30″(H)

Product Features

• This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
• 4GB DDR2; supports up to 8GB Memory, 250GB SATA 7200RPM,Integrated Intel GMA 3100;
• DVD-ROM Drive , USB Keyboard, Mouse, Integrated Audio, 10/100/1000Mbps LAN; Slots: 8 x USB 2.0 (2 front, 6 rear), 1 VGA, 1 RJ-45, 1 Serial port, 1 Parallel port, 1 x VGA, 1 x Ethernet (RJ-45), 2 x 3.5mm audio line-in, 2 x 3.5mm audio line-out
• Windows 7 Professional 64 bit, Activation code is on the tower; the best operating system for business