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CIS 225

Computer Hardware

Hardware Classes

  1. Internal Components
  2. Storage
  3. Peripherals
  4. Cables & Connectors

Information from Wikibooks

Motherboard Features

Old Motherboard Diagram

Image Credit: Wikipedia

New Motherboard Diagram

Image Credit: Wikipedia


Image Credit: Wikipedia

Processor Features - Intel Core i7 5960X - Intel Core i7 5820K vs 4790K

Memory (RAM)

Image Credit: Wikipedia

Memory Features

Graphics Card

Image Credit: Wikipedia

Graphics Card Features - ZOTAC GeForce GTX 980 Ti ArcticStorm - Radeon R9 390 vs GeForce GTX 970

Hard Disk Drive (HDD)

Image Credit: Wikipedia

Solid State Drive (SSD)

Image Credit: Wikipedia

Disk Drive Features - Samsung 840 EVO vs Kingston SSDNow V300


Image Credit: Computerworld


Optical Disk Drive (ODD)

Image Credit: Wikipedia

Optical Disk Comparison

Type Capacity Speed
CD 800 MB up to 88Mbit/s (72x)
DVD 4.7/8.5 GB 11.08 Mbit/s
Blu-ray 25/128 GB 54 Mbit/s

Power Supply (PSU)

Image Credit: Wikipedia

Device Usage
Video Card 50-150W / plug
PCI Card 5-10W
ODD 20-30W
HDD 15-30W
Motherboard 50-150W
Processor 80-140W

Information from

Note: multiply by 1.5 to account for real usages and efficiency

Image Credit:

Other Peripherals


See Class Website: