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R503 Desktop 4th Gen Core i7, i5, i3, Pentium, Celeron with 1x PCI, 1x PCIex16 (2.0), 1x PCIex1 (2.0)



Quick Overview

Desktop, 4th Gen Core i7, i5, i3, Pentium, Celeron Processor, Intel H81 Chipset, LGA1150, 1x PCI, 1x PCIex16 2.0, 1x PCIex1 2.0, 2 GB DDR3 RAM, 1x DVI-I, 1x DVI-D, 1TB HDD, DVDRW, 300W Power Supply, 10x COM, 16x USB, 4x SATA, Dual Gigabit LAN, Windows 7 Professional.


 • Processor: 4th Gen Core i7, i5, i3, Pentium, Celeron
 • Chipset:  Intel H81
 • Memory: 2 GB DDR3 (16 GB max)
 • Hard Drive: 1TB Enterprise Class
 • Optical Drive: DVDRW
 • Power Supply: 300W
 • Expansion: 1x PCI; 1x PCIex16 2.0; 1x PCIex1 2.0
 • LAN: Dual Gigabit LAN
 • COM: 10x COM: 2x RS-232/422/485; 8x RS-232
 • USB: 2x USB 3.0; 14x USB 2.0
 • SATA: 2x SATA-600; 2x SATA-300
 • RAID: 0, 1, 10, 5 RAID Software
 • Operating System: Windows 7 Professional

R503 Desktop Computer

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  • R503 Desktop Computer

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Model R503
Chassis Type Industrial Rackmount
Rack Units 4U
Color Black

Expansion Configuration

ISA None
PCIex16 1x PCIex16 2.0
PCIex8 None
PCIex4 None
PCIex1 1x PCIex1 2.0
PCI-X None


CPU 4th Gen Core i7, i5, i3, Pentium, Celeron
CPU Socket LGA1150
Chipset Intel H81

System Memory

Standard RAM 2 GB
Maximum RAM 16 GB
RAM Socket 2x 240-pin DIMM

Hard Drive

Hard Drive 1TB Enterprise Class 128MB 2M HRS MTBF

Optical Drive

Optical Drive DVDRW

System Power

Power Supply 300W
Power Supply Type PS2
Power Input 100/240 VAC Auto-Switching




GPU Intel HD Graphics
GPU Interface 1x DVI-I; 1x DVI-D


Ethernet Port 1 10/100/1000 Mbps supports Realtek RTL8111E
Ethernet Port 2 10/100/1000 Mbps supports Realtek RTL8111E


USB 2.0 14x USB 2.0: 14x Rear I/O
USB 3.0 2x USB 3.0: 2x Rear I/O


Digital I/O 8-Channels Programmable
SATA 2x SATA-600; 2x SATA-300
Serial 10x COM: 8x RS232; 2x RS232/ 422/ 485
Audio MIC-in / Line-in / Line-out


RAID 0, 1, 5, 10 RAID Software

Chassis Characteristics

Drive Capacity 1x 5.25" (Internal); 2x 3.5" (Internal); 1x mSATA
Front Panel Indicators 1x Power On/Off
Front Panel Controls 1x Power On/Off
Cooling Fans 1x 12cm
Operating Temperature 0°C ~ 60°C (32°F ~ 140°F)
Non-Operating Temperature -40 ~ 85° C (-40 ~ 185° F)
Vibration Resistance 3.5 Grm
Dimensions (W x D x H) 12.8" (326mm) x 5.3" (124mm) x 13.7" (348mm)