Techno-history with CHIP. Today we will talk about SSD drives.
SSD: From the beginning to today
- Year of appearance of the first SSD – 1978.
- Capacity of the first SSD – 45 megabytes.
- The price of the first SSD – $400,000 or 8888 dollars for 1 megabyte.
- Highest Capacity SSD at the moment – 60 terabytes.
Pricing and storage capacity evolution
- 1982 SemiDisk S-100 512 KB – $1995, or $3990 per megabyte.
- 1991 SunDisk Flash SSD 20 MB – $1,000, or $3 per megabyte.
- 2001 Adtron S35PC 14 GB – $42,000, or $3 per megabyte.
- 2017 Samsung PM1633a 15TB – $10,000, or $0.6 per gigabyte.
- Average price per gigabyte HDD (High Density Disc) $0.03 per megabyte.
How many hard drives were purchased in Q2 2017
- SSD – 42 million units, or 15,156 petabytes (corresponding to 15,156,000 terabytes).
- HDD – 96 million units, or 158.5 exabytes (corresponding to 158,500,000 terabytes).
Service life of flash drives chips in modern SSD models
- SLC (1 bit per cell) – up to 100,000 rewrite cycles.
- MLC (2 bits per cell) – 3000-35000 rewrite cycles.
- TLC (3 bits per cell) – 300-3000 rewrite cycles.
- QLC (4 bits per cell) – 150-1000 rewrite cycles.
Minimum and maximum operating temperatures
- SSD -25 to +85 °C.
- HDD From +5 to +55 °C.
Average weight of a 2.5″ drive
- SSD – 73 grams.
- HDD – 365 grams.
Latency vs.
- SLC — 25 µs.
- MLC — 50 µs.
- TLC — 100 µs.
- HDD — 2000–7000 µs.
- RAM – 0.04–0.1 µs.
- Transfer of a data block of 1 KB over a line with a bandwidth of 1 Gbit / s – 10 μs.
Average energy consumption
- SSD – 2-5 W.
- HDD – 6-15 W.
Failure rate during operation
- SSD – 0.5%.
- HDD — 2–5%.
Noise level during operation
- SSD < 0.1 dB(A).
- HDD- 35-50 dB(A).
- Fridge – 55 dB(A).
Read also:
- Who is less? Intel has created a computer the size of a credit card
- Quantum revolution: what will be the computers of the future
Photo: pixabay.com
