其实早在6月份，就有消息说2.5寸单碟160GB已经可以量产，那就意味着320GB的2.5寸硬盘可以出货了，可是直到今天才由Toshiba率先推出。世界上第一块2.5寸320GB硬盘：MK3252GSX，容量320GB，单碟容量160GB，5400rpm转速，8MB缓存，将在2007年IFA上正式推出，也就是说在8月底9月初的时候。
虽说只比富士通的300GB多了20GB，但是那个是4200转的，厚度上也多了3mm。
具体参数： |
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| Model | MK3252GSX | MK2552GSX | MK1652GSX | MK1252GSX | MK8052GSX | ||||||
| Formatted capacity | 320GB | 250GB | 160GB | 120GB | 80GB | ||||||
| Number of platters | 2 | 1 | |||||||||
| Number of heads | 4 | 2 | 1 | ||||||||
| Average seek time | 12ms | ||||||||||
| Interface | ATA8 | ||||||||||
| Interface speed | 3Gbps (Serial ATA2.6) | ||||||||||
| Rotational speed | 5,400rpm | ||||||||||
| Buffer memory | 8MB | ||||||||||
| Dimensions
(W x D x H, mm) |
69.85 x 100.0 x 9.5mm | ||||||||||
| Weight | 102g (max) | 98g (max) | |||||||||
| Shock resistance | In operation: 350G; Not in operation: 900G | ||||||||||
| Model | MK2049GSY | MK1649GSY | MK1249GSY | MK8049GSY | |||||
| Formatted capacity | 200GB | 160GB | 120GB | 80GB | |||||
| Number of platters | 2 | 1 | |||||||
| Number of heads | 4 | 3 | 2 | ||||||
| Average seek time | 12ms | ||||||||
| Interface | ATA8 | ||||||||
| Interface speed | 3Gbps (Serial ATA2.6) | ||||||||
| Rotational speed | 7,200rpm | ||||||||
| Buffer memory | 16MB | ||||||||
| Dimensions
(W x D x H, mm) |
69.85 x 100.0 x 9.5mm | ||||||||
| Weight | 115g (max) | 111g (max) |
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| Shock resistance | In operation: 300G; Not in operation: 900G | ||||||||
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