1. Hard Drives & Optical Drives
Dave Chen, Noah Moran and Ryan Phillips

2. Storage
Hard Drives (HDD)
Solid State Drives (SSD)

3. Hard Drives Main source of storage
Uses magnetic platters to store data
Capacity: GB - TB --- Speed: RPM
first hard drive(350 RAMAC), 3.75mb, $40,000
ST506, 10mb, $15,000
Deskstar 16GP Titan, 16GB, $4,261
Seagate 8 Terabyte, $300

4. Solid State Drives Faster than traditional hard drives
Consume less power
Lighter, quieter, cooler
Basically a huge flash drive
First SSD made in 1976
$36,000, 2mb
$79.99

5. Optical Drives Compact Discs (CD) Digital Versatile Discs (DVD)
Blu-Ray Discs (BD)

6. Compact Discs Stores, records and plays back video and audio
Spiral of the CD has bumps
Reads and writes onto the CD using LASERS
1982- First CD (CD-ROM), 703 MiB, $21.79
x 700MB, $14.99

7. Digital Versatile Discs
Stores, records and plays back video and audio
Higher capacity can be double sided
Faster rotation speed than a CD
Thinner lasers uses shorter wavelength
DVD Introduced,1.36Gb, $100
x 4.7GB, $28.99

8. Blu-Ray Discs Blue laser, lens specifications for a smaller laser
Higher capacity than DVD and double sided
Disc is placed closer to the beam than a DVD
Usually backwards compatible
2007/ Blu Ray Introduced in 07, 25GB, $15

9. Types of Optical Media ROM - Read Only Memory R - Recorded Once
RE - Record, erase and re-record

10. Resources https://en.wikipedia.org/wiki/Compact_disc