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 IBM sold its HDD manufacturing to Hitachi, who continued to use the Travelstar name for notebook drives.
 
 | 
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]
 | 
[T]
 | 
[rr]
 | 
[SS]
 | 
[ss]
 | 
[g]
 | 
[h]
 | 
[ii]
 | 
[??]
 | 
- the H is for Hitachi
 
- [t] is a single letter designating the drive type, like
- T = Travelstar
 
- D = Deskstar
 
- E = Endurastar
 
 
- [T] - S for Standard (vs A for Auto for example) - I don't know what this mean :)
 
- [rr] is the first two digits of speed in RPM, i.e. 54 for 5400 RPM.
 
- [SS] maximum disk size in model line.
 
- [ss] is two digits giving the size in GB. 100gig drives have a 10 here.
 
- [g] generation code
 
- [h] is the drives height in full millimeters, first digit, i.e. 9 for 9.5mm or some code for desktop: i.e. L - 1-inch form-factor.
 
- [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. Upd: for DeskStar 1st is buffer size (2 - 2MB 8 - 8MB) and 2nd is reserved.
 
Available drives from IBM or Lenovo
2.5" 9.5mm SATA
 | 
| Capacity | 
RPM | 
PartNr. | 
FRU | 
Manufacturer | 
Model | 
ThinkPad Models
 | 
| 40GB | 
5400 | 
 | 
39T2621 | 
Hitachi | 
 | 
 | 
| 40GB | 
5400 | 
 | 
39T2629 | 
Toshiba | 
 | 
 | 
| 40GB | 
5400 | 
 | 
39T2637 | 
Fujitsu | 
 | 
 | 
| 60GB | 
5400 | 
40Y8723 | 
39T2623 | 
Hitachi | 
 | 
 | 
| 60GB | 
5400 | 
40Y8723 | 
39T2631 | 
Toshiba | 
 | 
 | 
| 60GB | 
5400 | 
 | 
39T2639 | 
Fujitsu | 
MHV2060B | 
R60e
 | 
| 60GB | 
5400 | 
 | 
39T2703 | 
Hitachi | 
HTS541060G9SA00 | 
R60e
 | 
| 60GB | 
7200 | 
41N3012 | 
39T2645 | 
 | 
 | 
 | 
| 80GB | 
5400 | 
 | 
39T2625 | 
Hitachi | 
HTS541680J9SA00 | 
X61 Tablet
 | 
| 80GB | 
5400 | 
 | 
39T2633 | 
Toshiba | 
 | 
 | 
| 80GB | 
5400 | 
 | 
39T2641 | 
Fujitsu | 
 | 
 | 
| 100GB | 
5400 | 
40Y8721 | 
39T2627 | 
Hitachi | 
 | 
 | 
| 100GB | 
5400 | 
40Y8721 | 
39T2635 | 
Toshiba | 
 | 
 | 
| 100GB | 
5400 | 
 | 
39T2643 | 
Fujitsu | 
 | 
 | 
| 100GB | 
7200 | 
41N3013 | 
39T2649 | 
Hitachi | 
 | 
 | 
| 100GB | 
7200 | 
42T1021 | 
42T1403 | 
Hitachi | 
HTS721010G9SA00 | 
T60
 | 
| 100GB | 
7200 | 
 | 
27R2345 | 
Hitachi | 
 | 
 | 
| 100GB | 
7200 | 
 | 
27R2346 | 
Seagate | 
 | 
 | 
| 120GB | 
5400 | 
 | 
 | 
Seagate | 
ST9120822AS | 
X61s
 | 
| 120GB | 
5400 | 
 | 
39T2785 | 
Fujitsu | 
MHV2120BH | 
X60s
 | 
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 | 
05K9229 | 
SSD | 
 | 
 | 
| 12GB | 
4200 | 
05K9238 | 
05K9230 | 
Hitachi | 
 | 
 | 
| 15GB | 
4200 | 
08K9588 | 
08K9587 | 
Hitachi | 
 | 
 | 
| 15GB | 
4200 | 
08K9588 | 
08K9585 | 
STD | 
 | 
 | 
| 20GB | 
4200 | 
 | 
08K9533 | 
Hitachi | 
 | 
 | 
| 20GB | 
 | 
 | 
92P6375 | 
Hitachi | 
 | 
 | 
| 20GB | 
4200 | 
27L3439 | 
27L3441, 08K9548 | 
 | 
 | 
 | 
| 20GB | 
 | 
 | 
27L3427 | 
SSD | 
 | 
 | 
| 20GB | 
 | 
 | 
27L4075 | 
SSD | 
 | 
 | 
| 20GB | 
4200 | 
08K9686 | 
27L4286 | 
STD | 
 | 
 | 
| 20GB | 
4200 | 
08K9686 | 
27L4385 | 
Fujitsu | 
 | 
 | 
| 20GB | 
4200 | 
08K9686 | 
92P6327 | 
STD | 
 | 
 | 
| 20GB | 
4200 | 
 | 
92P6019 | 
Fujitsu | 
MHS2020AT | 
G40, G41
 | 
| 20GB | 
4200 | 
 | 
92P6094 | 
Fujitsu | 
MHT2020AT | 
G40, G41
 | 
| 20GB | 
4200 | 
 | 
92P6017 | 
Hitachi | 
DK23EA-20 | 
G40, G41
 | 
| 20GB | 
4200 | 
 | 
92P6086 | 
Hitachi | 
IC25N020ATMR04 | 
G40, G41
 | 
| 30GB | 
 | 
08K9593 | 
08K9590 | 
 | 
 | 
 | 
| 30GB | 
 | 
08K9593 | 
08K9592 | 
Hitachi | 
 | 
 | 
| 30GB | 
 | 
 | 
08K9660 | 
Hitachi | 
 | 
 | 
| 30GB | 
 | 
 | 
08K9656 | 
Diabo | 
 | 
 | 
| 30GB | 
 | 
 | 
08K9564 | 
SSD | 
 | 
 | 
| 30GB | 
 | 
 | 
27L4291 | 
 | 
 | 
 | 
| 30GB | 
 | 
 | 
92P6330 | 
STD | 
 | 
 | 
| 30GB | 
4200 | 
 | 
92P6088 | 
Hitachi | 
IC25N030ATMR04 | 
G40, G41
 | 
| 30GB | 
4200 | 
 | 
92P6096 | 
Fujitsu | 
MHT2030AT | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
08K9683 | 
STD | 
 | 
 | 
| 40GB | 
4200 | 
 | 
08K9767 | 
Hitachi | 
 | 
 | 
| 40GB | 
4200 | 
 | 
92P6023 | 
Fujitsu | 
MHS2040T | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
92P6098 | 
Fujitsu | 
MHT2040AT | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
92P6021 | 
Hitachi | 
DK23EA-40 | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
92P6090 | 
Hitachi | 
IC25N040ATMR04 | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
92P6119 | 
Moraga | 
B | 
G40, G41
 | 
| 40GB | 
4200 | 
 | 
92P6121 | 
Toshiba | 
Proteus | 
G40, G41
 | 
| 40GB | 
4200 | 
08K9832 | 
92P6332 | 
Hitachi | 
IC25N040ATMR04-0 | 
 | 
| 40GB | 
5400 | 
 | 
08K9758 | 
Toshiba | 
 | 
T30
 | 
| 40GB | 
5400 | 
 | 
27L4384 | 
STD | 
 | 
 | 
| 40GB | 
5400 | 
08K9687 | 
08K9599 | 
 | 
 | 
 | 
| 40GB | 
5400 | 
08K9816 | 
92P6342 | 
STD | 
 | 
 | 
| 40GB | 
5400 | 
08K9816 | 
13N6801 | 
 | 
 | 
 | 
| 40GB | 
5400 | 
08K9816 | 
08K9834 | 
Hitachi | 
 | 
T30
 | 
| 40GB | 
5400 | 
08K9816 | 
92P6545 | 
Hitachi | 
HTS548040M9AT00 | 
 | 
| 60GB | 
4200 | 
 | 
08K9833 | 
Hitachi | 
 | 
T30
 | 
| 60GB | 
4200 | 
 | 
92P6092 | 
Hitachi | 
IC25N060ATMR04 | 
G40, G41
 | 
| 60GB | 
4200 | 
 | 
92P6122 | 
Moraga | 
C | 
G40, G41
 | 
| 60GB | 
4200 | 
13N6706 | 
13N6707 | 
Hitachi | 
IC25N060ATMR04-0 | 
R51
 | 
| 60GB | 
5400 | 
08K9688 | 
08K9700 | 
 | 
 | 
 | 
| 60GB | 
5400 | 
08K9688 | 
92P6340 | 
STD | 
 | 
 | 
| 60GB | 
5400 | 
73P3357 | 
13N6893 | 
 | 
 | 
 | 
| 60GB | 
5400 | 
 | 
92P6547 | 
Hitachi | 
HTS548060M9AT00 | 
 | 
| 60GB | 
7200 | 
 | 
13N6807 | 
Hitachi | 
HTS726060M9AT00 (Travelstar 7K60) | 
T41p, T42p, T43, T43p
 | 
| 60GB | 
7200 | 
 | 
92P6551 | 
Hitachi | 
HTS726060M9AT00 (Travelstar 7K60) | 
 | 
| 60GB | 
7200 | 
 | 
08K0889 | 
Hitachi | 
HTE726060M9AT00 (Travelstar 7K60) | 
R50
 | 
| 60GB | 
7200 | 
13N6799 | 
13N6807 | 
Hitachi | 
HTS726060M9AT00 | 
T41
 | 
| 80GB | 
4200 | 
08K9869 | 
08K9863 | 
 | 
 | 
 | 
| 80GB | 
4200 | 
 | 
92P6123 | 
Moraga | 
B | 
G40, G41
 | 
| 80GB | 
5400 | 
13N6798 | 
13N6805 | 
Hitachi | 
HTS548080M9AT00 | 
T41p, T42p, T43p
 | 
| 80GB | 
5400 | 
09N4273 | 
92P6549 | 
Hitachi | 
HTS548080M9AT00 | 
 | 
| 80GB | 
7200 | 
 | 
39T2583 | 
Hitachi | 
 | 
 | 
| 100GB | 
5400 | 
40Y8716 | 
39T2555 | 
Fujitsu | 
 | 
 | 
| 100GB | 
5400 | 
40Y8716 | 
39T2559 | 
Toshiba | 
 | 
 | 
| 100GB | 
7200 | 
 | 
39T2585 | 
Hitachi | 
 | 
 | 
2.5" 12.5mm PATA
 | 
| Capacity | 
RPM | 
PartNr. | 
FRU | 
Manufacturer | 
Model | 
ThinkPad Models
 | 
| 18GB | 
4200 | 
05K9239 | 
05K9231 | 
 | 
 | 
 | 
| 32GB | 
5400 | 
08K9511 | 
08K9509 | 
SSD | 
 | 
 | 
| 48GB | 
5400 | 
08K9600 | 
08K9599 | 
 | 
 | 
 | 
| 48GB | 
5400 | 
08K9600 | 
92P6338 | 
STD | 
 | 
 | 
1.8" 9.5mm PATA
 | 
| Capacity | 
RPM | 
PartNr. | 
FRU | 
Manufacturer | 
Model | 
ThinkPad Models
 | 
| 2GB/4GB/8GB | 
SSD | 
 | 
 | 
Transcend | 
TS2GIFD18/TS4GIFD18/TS8GIFD18 | 
X40, X41, X41 Tablet
 | 
| 20GB | 
4200 | 
 | 
92P6083 | 
Hitachi | 
DK14FA-20 | 
X40, X41, X41 Tablet
 | 
| 20GB | 
4200 | 
 | 
39T2541 | 
Hitachi | 
HTC426020G7AT00 | 
X40, X41, X41 Tablet
 | 
| 30GB | 
4200 | 
 | 
92P6140 | 
Hitachi | 
 | 
X40, X41, X41 Tablet
 | 
| 30GB | 
4200 | 
 | 
39T2543 | 
Hitachi | 
 | 
X40, X41, X41 Tablet
 | 
| 30GB | 
4200 | 
 | 
39T2747 | 
Toshiba | 
 | 
X60s
 | 
| 40GB | 
4200 | 
 | 
92P6085 | 
Hitachi | 
DK13FA-40 | 
X40, X41, X41 Tablet
 | 
| 40GB | 
4200 | 
 | 
39T2545 | 
Hitachi | 
 | 
X40, X41, X41 Tablet
 | 
| 40GB | 
4200 | 
 | 
39T2749 | 
Toshiba | 
 | 
X60s
 | 
| 60GB | 
4200 | 
73P3358 | 
39T2547 | 
Hitachi | 
 | 
X40, X41, X41 Tablet
 | 
| 60GB | 
4200 | 
 | 
39T2751 | 
Toshiba | 
 | 
X60s
 | 
2.5" PATA (770 series)
 | 
| Capacity | 
RPM | 
PartNr. | 
FRU | 
Manufacturer | 
Model | 
ThinkPad Models
 | 
| 5.1GB | 
 | 
11J8947 | 
12J0449 | 
 | 
 | 
770, 770E, 770ED, 770X, 770Z
 | 
| 8.1GB | 
 | 
02K0517 | 
02K0514 | 
 | 
 | 
770, 770E, 770ED, 770X, 770Z
 | 
| 14.1GB | 
 | 
02K0526 | 
02K0525 | 
 | 
 | 
770, 770E, 770ED, 770X, 770Z
 | 
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
 |