Device Overview
1.2 Device Specifications
1.2.1 Specifications summary
Table 1.1 shows the specifications of the disk drives.
Format Capacity (*1, *2)
Number of Sectors (User)
Bytes per Sector
Rotational Speed
Average Latency
Positioning time (read and seek)
• Minimum (Track-Track)
• Average
• Maximum (Full)
Start time
Interface
Data Transfer Rate (*2)
• To/From Media
• To/From Host
Data Buffer Size (*3)
Physical Dimensions
(Height × Width × Depth)
Weight
*1: Capacity under the LBA mode.
*2: 1 GB is equal to 1,000,000,000 bytes and 1 MB is equal to 1,000,000 bytes.
*3: 1 MB is equal to 1,048,576 bytes.
*4: The value of Depth (=100.0 mm) does not include PCBA (Printed Circuit Board Assembly).
For details, see Section 3.1.
Table 1.1 lists the formatted capacity, number of logical cylinders, number of
heads, and number of sectors of every model for which the CHS mode has been
selected using the BIOS setup utility on the host.
1-4
Table 1.1 Specifications (1/2)
MHX2300BT
300 GB
586,072,368
Compliant with ATA/ATAPI-8, Serial ATA Revision 2.5 Gen1i
1.5 Gbps (150 MB/s) (Gen1i)
8 MB (8,388,608 bytes)
12.5 mm × 100.0 mm × 70.0 mm (*4)
MHX2250BT
250 GB
488,397,168
512 bytes
4,200 rpm ± 1%
7.14 ms
1.5 ms (typ.)
Read: 12 ms (typ.)
22 ms (typ.)
3.5 sec (typ.)
60.8MB/s Max.
135 g (Max.)
C141-E254