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IBM sold its HDD manufacturing to Hitachi, who continued to use the Travelstar name for notebook drives.
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IBM/Hitachi harddisk naming scheme
Hitachi harddisk names (on modern drives) are a set of letters and numbers that in fact tell a lot about the specifications of the drive. The designation follows the pattern:
| H
|
T
|
S
|
72
|
60
|
60
|
M
|
9
|
AT
|
00
|
| H
|
[t]
|
[?]
|
[rr]
|
[??]
|
[ss]
|
[?]
|
[h]
|
[ii]
|
[??]
|
- the H is for Hitachi
- [t] is a single letter designating the drive type, like
- T = Travelstar
- D = Deskstar
- E = Endurastar
- following is a mystical single letter.
- [rr] is the first two digits of speed in RPM, i.e. 54 for 5400 RPM.
- next two are strange, they match the marketing/branding name for the drives, like 7K60 would be HTS7260... . So they might just separate drive generations or something like that. But they also match the size of the biggest available drive in that series.
- [ss] is two digits giving the size in GB. 100gig drives have a 10 here.
- following is a letter that is probably placed as a riddle for anyone who wants to interpret the naming scheme.
- [h] is the drives height in full millimeters, first digit, i.e. 9 for 9.5mm .
- [ii] is a two digit code for the drives interface, like this:
- AT = IDE/ATA
- SA = IDE/SATA
- CE = IDE/ZIF
- CF = Compact Flash
- L3 = SCSI/Ultra320
- LF = FC-AL
- two numerical digits are following, might be some kind of revision, might be something else.
Available drives from IBM or Lenovo
2.5" 9.5mm SATA
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 60GB |
5400 |
40Y8723 |
|
|
|
|
| 100GB |
5400 |
40Y8721 |
|
|
|
|
| 60GB |
7200 |
41N3012 |
|
|
|
|
| 100GB |
7200 |
41N3013 |
|
|
|
|
2.5" 9.5mm PATA
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 6GB |
4200 |
05K9237 |
05K9227 |
SSD |
|
|
| 6GB |
4200 |
05K9237 |
05K9228 |
Hitachi |
|
|
| 10GB |
4200 |
08K9510 |
08K9508 |
SSD |
|
|
| 10GB |
4200 |
08K9510 |
08K9531 |
Hitachi |
|
|
| 12GB |
4200 |
05K9238 |
|
|
|
|
| 12GB |
|
|
05K9229 |
SSD |
|
|
| 12GB |
|
|
05K9230 |
Hitachi |
|
|
| 15GB |
4200 |
08K9588 |
08K9585, 08K9587 |
|
|
|
| 18GB |
|
|
05K9231 |
SSD |
|
|
| 20GB |
|
|
08K9533 |
Hitachi |
|
|
| 20GB |
4200 |
27L3439 |
27L3441, 08K9548 |
|
|
|
| 20GB |
|
|
27L4075 |
SSD |
|
|
| 20GB |
4200 |
08K9686 |
27L4286 |
|
|
|
| 30GB |
|
08K9593 |
08K9590, 08K9592 |
|
|
|
| 30GB |
|
|
08K9660 |
Hitachi |
|
|
| 30GB |
|
|
08K9656 |
Diabo |
|
|
| 30GB |
|
|
08K9564 |
SSD |
|
|
| 40GB |
5400 |
08K9687 |
08K9599 |
|
|
|
| 40GB |
5400 |
08K9816 |
|
|
|
|
| 60GB |
4200 |
|
08K9833 |
|
|
T30
|
| 60GB |
4200 |
13N6706 |
13N6707 |
Hitachi |
IC25N060ATMR04-0 |
R51
|
| 60GB |
5400 |
08K9688 |
08K9700 |
|
|
|
| 60GB |
5400 |
73P3357 |
13N6893 |
|
|
|
| 60GB |
7200 |
13N6807 |
|
Hitachi |
HTS726060M9AT00 |
T41p, T42p, T43, T43p
|
| 80GB |
4200 |
08K9869 |
08K9863 |
|
|
|
| 80GB |
5400 |
13N6798 |
13N6805 |
Hitachi |
HTS548080M9AT00 |
T41p, T42p, T43p
|
| 80GB |
5400 |
09N4273 |
|
|
|
|
| 100GB |
5400 |
40Y8716 |
|
|
|
|
2.5" 12.5mm PATA
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 18GB |
4200 |
05K9239 |
|
|
|
|
| 32GB |
5400 |
08K9511 |
08K9509 |
SSD |
|
|
| 48GB |
5400 |
08K9600 |
08K9599 |
|
|
|
1.8" 9.5mm PATA
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 20GB |
4200 |
|
|
Hitachi |
HTC426020G7AT00 |
X40
|
| 60GB |
4200 |
73P3358 |
|
|
|
|
2.5" PATA (770 series)
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 5.1GB |
|
11J8947 |
|
|
|
|
| 8.1GB |
|
02K0517 |
|
|
|
|
| 14.1GB |
|
02K0526 |
|
|
|
|
2.5" PATA (380,385,560,570,600 series)
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 1.08GB |
|
46H4208 |
|
|
|
|
| 2.1GB |
|
73H9797 |
|
|
|
|
| 2.1GB |
|
45H8783 |
|
|
|
|
| 3.2GB |
|
02K0487 |
|
|
|
|
| 4.0GB |
|
02K0501 |
|
|
|
|
| 4.0GB |
|
05K8871 |
|
|
|
|
| 5.1GB |
|
02K0506 |
|
|
|
|
| 6.0GB |
|
05K9199 |
|
|
|
|
| 6.4GB |
|
02K0518 |
|
|
|
|
| 10GB |
|
36L9293 |
|
|
|
|
| 12GB |
|
05K9200 |
|
|
|
|
| 18GB |
|
37L2993 |
|
|
|
|
2.5" SCSI-2 (PowerPC ThinkPads)
|
| Capacity |
RPM |
PartNr. |
FRU |
Manufacturer |
Model |
ThinkPad Models
|
| 540MB |
|
30H1388 |
|
|
|
820, 850, 860
|
| 810MB |
|
30H1392 |
|
|
|
820, 850, 860
|
| 1.2GB |
|
30H1467 |
|
|
|
820, 850, 860
|
