Seagate ST9500327AS Momentus 5400 FDE.4 SATA Product Manual - Page 13

Physical organization, Recording and interface technology, Physical characteristics

Page 13 highlights

2.4 Physical organization Drive model ST9500327AS ST9320327AS ST9250317AS ST9160317AS ST9120317AS ST980314AS Read/write heads 4 3 2 2 1 1 2.5 Recording and interface technology Interface Recording method Recording density BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Mbits/sec) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer 2.6 Physical characteristics Drive specification Height (mm) (inches) Width (mm) (inches) Length (mm) (inches) Typical weight ST9500327AS ST9320327AS ST9250317AS ST9160317AS ST9120317AS ST980314AS 9.5 +/-0.2 0.374 +/-0.0079 69.85 +/-0.25 2.75 +/-0.0098 100.35 +0.20 / -0.25 3.957 +0.0079 / -0.0098 98.8 grams 0.218 pounds 93.5 grams 0.206 pounds Number of disks 2 2 1 1 1 1 Serial ATA (SATA) Perpendicular 1,490k 265k 394 5,400 1,175 300 1:1 8 Mbytes (8,192 kbytes) Momentus 5400 FDE.4 SATA Product Manual, Rev. B 7

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Momentus 5400 FDE.4 SATA Product Manual, Rev. B
7
2.4
Physical organization
Drive model
Read/write heads
Number of disks
ST9500327AS
4
2
ST9320327AS
3
2
ST9250317AS
2
1
ST9160317AS
2
1
ST9120317AS
1
1
ST980314AS
1
1
2.5
Recording and interface technology
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density BPI (bits/inch max)
1,490k
Track density TPI (tracks/inch max)
265k
Areal density (Gbits/inch
2
max)
394
Spindle speed (RPM) (
±
0.2%)
5,400
Maximum Internal transfer rate (Mbits/sec)
1,175
I/O data-transfer rate (Mbytes/sec max)
300
Interleave
1:1
Cache buffer
8 Mbytes (8,192 kbytes)
2.6
Physical characteristics
Drive specification
Height
(mm)
(inches)
9.5 +/-0.2
0.374
+/-0.0079
Width
(mm)
(inches)
69.85 +/-0.25
2.75
+/-0.0098
Length
(mm)
(inches)
100.35 +0.20 / -0.25
3.957 +0.0079 / -0.0098
Typical weight
ST9500327AS
ST9320327AS
ST9250317AS
ST9160317AS
ST9120317AS
ST980314AS
98.8 grams
0.218 pounds
93.5 grams
0.206 pounds