當用戶執行數據讀取操作時,傳統硬盤每秒鐘只能響應100-200次,而SSD硬盤可提高到每秒鐘5000次,徹底消除延遲現象。4GBSSD磁盤可與目前的SATA、IDE硬盤搭配使用。
SSD硬盤介紹:SSD硬盤,廣泛應用于工業、冗余存儲等穩定性比較高的領域,SSD硬盤是用Flash加FPGA開發而成的,有以下特點: ● 持續讀/寫速度:Up to 60MB/s ● 44Pin IDE接口(2.5-inch),40Pin IDE接口(3.5-inch) ● 2.5-inch/3.5-inch的工業標準 ● 符合ATA-5標準,支持PIO0-4,UDMA0-4 ● Master/Slave跳線選擇 ● 百萬次的擦寫周期 ● 容量:從2GB到128GB ● 10年的數據保持時間 ● 防震、防碰撞的金屬外殼 ● 緊湊的設計,厚度僅為9.5mm ● 讀寫損耗均衡、壞塊管理算法專利 ● 不穩定供電時,具有可靠的運行保證 ● 快速的初始化,固件可以現場升級 在可靠性方面有以下特點: ● 手動/自動的自診斷系統 ● 可選的掉電保護電路 ● EDC/ECC錯誤檢測和錯誤糾正 ● SMART系統
SSD 2.5" vs. HDD 2.5" (Preliminary) Parameter SanDisk1 SSD 2.5" Fujitsu2 HDD 2.5" SSD Benefits vs. HDD Interface ATA-7 ATA-7 Same Performance Burst Read3 Write3 Average access time3 Microsoft® Vista™ OS boot time4 Microsoft® XP OS boot time5 I/O per second (IOPS) for 512B transfer size6 150MB/sec 63MB/sec 38MB/sec 0.2ms 35 sec 13 sec Read: 7000 150MB/sec 18-35MB/sec 18-35MB/sec 17ms 48 sec 22 sec Read: 56 Same ~2x faster 1.4x faster 85x faster 1.3x faster 1.7x faster 125x faster Power Spin up Read/Write Idle Sleep 0.0W 0.9W 0.4W 0.1W 5.0W 1.9W 0.6W 0.13W No spin up power ~1.5x less ~2x less ~1.3x less Reliability MTBF7 2.0M hours 300K hours ~6x better Temperature Operating range Conditions Non-operating 0°C to 70°C -55°C to 95°C 5°C
SSD 2.5" vs. HDD 2.5" (Preliminary)
Parameter
SanDisk1
SSD 2.5"
Fujitsu2
HDD 2.5"
SSD Benefits vs. HDD
Interface
ATA-7
Same
Performance Burst
Read3
Write3
Average access time3
Microsoft® Vista™ OS
boot time4
Microsoft® XP OS
boot time5
I/O per second (IOPS) for
512B transfer size6
150MB/sec
63MB/sec
38MB/sec
0.2ms
35 sec
13 sec
Read: 7000
18-35MB/sec
17ms
48 sec
22 sec
Read: 56
~2x faster
1.4x faster
85x faster
1.3x faster
1.7x faster
125x faster
Power Spin up Read/Write Idle
Sleep
0.0W
0.9W
0.4W
0.1W
5.0W
1.9W
0.6W
0.13W
No spin up power
~1.5x less
~2x less
~1.3x less
Reliability MTBF7
2.0M hours
300K hours
~6x better
Temperature Operating range
Conditions Non-operating
0°C to 70°C
-55°C to 95°C
5°C
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