On modern Western Digital hard drives it is not usually difficult to find a compatible donor for a head swap case. Use the following information at your own expense/risk. Typically you try to match the full model number (e.g. WD20EARX-22PASB0), the TJ, VJ, T2, V2 in the DCM code, and get a close date. The second part of the model, after the dash, can be reduced to matching the 2 or 3 middle characters depending on it being 6 or 7 characters after the dash. And heads, you’ll need to watch the number/location of heads as needed.
Unfortunately with competition for parts and so many scalpers out there we often find ourselves using broader drive matching criteria. In our lab we usually try to find a donor in the same WD drive family (e.g. Saddle G6) but sometimes we cross families, we pretty much disregard the date. Most recommend using the same 2 characters in the DCM code, but for Firebird, FBLite, and Helios we often use a T2 DCM for a donor when the patient has a TJ DCM and vice versa. It really comes down to experience. It’s better if you have a few donors on hand in case one doesn’t work. If you have a rush job and only order one donor with limited matching criteria you might just be disappointed. If you are just starting out or don’t have a lot of donors in stock then try to match as much info as possible to increase your chance of a compatible donor. Here is a short list of some of our successful head swaps to give you an idea of what can work. Your mileage may vary.
| Patient | Donor |
|---|---|
| Model: WD10JMVW–11S5XS1 Date: 20 JAN 2013 DCM: EBMTJBK Serial: WX31E9 Family: Firebird Location: Malaysia |
Model: WD10JMVW-11AJGS4 Date: 23 July 2016 DCM: HHMT2HBB Serial: WX31A7 Family: FBLite Location: Thailand |
| Model: WD10JMVW–11ZSMS5 Date: 11 MAY 2012 DCM: EHOT2HBB Serial: WXK1E3 Family: Helios Location: Thailand |
Model: WD10JMVW-11ZSMS1 Date: 24 OCT 2010 DCM: EBMTJBBB Serial: WXP1E8 Family: Helios Location: Thailand |
| Model: WD10JMVW–11AJGS1 Date: 17 AUG 2013 DCM: EHMTJHB Serial: WXV1E5 Family: FBLite Location: Malaysia |
Model: WD10JMVW-11AJGS2 Date: 20 OCT 2013 DCM: HHMT2HBB Serial: WX81A9 Family: FBLite Location: Thailand |
| Model: WD3200BMVU-11A04S0 Date: 07 Jun 2009 DCM: HANT2ABB Serial: WXE0A5 Family: Venus Location: Thailand |
Model: WD2500BEVS-60USTO Date: 20 SEP 2008 DCM: FHCT2HBB Serial: WXC808 Family: McKinley Location: Thailand |
| Model: WD10JPVT-60A1YT0 Date: 29 AUG 2012 DCM: HCCTJBK Serial: WXC1C1 Family: Firebird Location: Malaysia |
Model: WD10JPVX-75JC3T0 Date: 24 March 2013 DCM: HHMTJHKB Serial: WXC1A1 Family: FBLite Location: Thailand |
| Model: WD10JMVW–11S5XS0 Date: 07 FEB 2013 DCM: HHMTJHN Serial: WX51A1 Family: Firebird Location: Malaysia |
Model: WD10JMVW–11AJGS2 Date: 20 DEC 2014 DCM: EBKT2BKB Serial: WXA1E9 Family: FBLite Location: Thailand |
| Model: WD7501AALS-00E8B0 Date: 07 MAY 2012 DCM: HANNHT2CA Serial: WMATW0 Family: Mars Location: Malaysia |
Model: WD7501AALS-00J7B0 Date: 23 DEC 2009 DCM: HARNHT2CA Serial: WMATV4 Family: Mars Location: Malaysia |
| Model: WD10JMVW–11S5XS0 Date: 07 FEB 2013 DCM: HHMTJHN Serial: WX51A1 Family: Firebird Location: Malaysia |
Model: WD10JMVW–11AJGS4 Date: 13 JUL 2016 DCM: HBMT2BKB Serial: WX21A6 Family: FBLite Location: Thailand |
| Model: WD10TMVW-11ZSMS1 Date: 24 OCT 2010 DCM: EBMTJBBB Serial: WXP1E8 Family: Helios Location: Thailand |
Model: WD10TMVV-11BG7S0 Date: 24 JAN 2011 DCM: EBBVJBBN Serial: WXD1EA Family: Shasta 3D Location: Thailand |
| Model: WD10JMVW-11S5XS0 Date: 19 AUG 2013 DCM: HHMTJHB Serial: WXE1A6 Family: Firebird Location: Malaysia |
Model: WD10JMVW-11AJGS2 Date: 10 DEC 2013 DCM: HHKTJHKB Serial: WX21AB Family: FBlite Location: Thailand |
| Model: WD2500AAKX-193CA0 Date: 17 AUG 2011 DCM: HARNHTJMHN Serial: WCAYUC Family: Tahoe LT Location: Thailand |
Model: WD5000AAKX-753CA0 Date: 10 April 2011 DCM: EHRNHTJMGN Serial: WCAYUN Family: Tahoe LT Location: Thailand |
| Model: WD1600AAJB-00PVA0 Date: 13 DEC 2007 DCM: DHNYHT2CB Serial: WMAP9C Family: Tornado PATA Location: Malaysia |
Model: WD3200AAKS-75L9A0 Date: 12 OCT 2009 DCM: HARNHT2AHN Serial: WCAV27 Family: Pinclite Location: Thailand |
| Model: WD10TMVV-11TK7S1 Date: 20 NOV 2010 DCM: HBMTJBBN Serial: WX61AB Family: Helios Location: Thailand |
Model: WD10TMVV-11BG7S0 Date: 24 JAN 2011 DCM: EBBVJBBN Serial: WXD1EA Family: Shasta 3D Location: Malaysia |
| Model: WD3200AAKS-75L9A0 Date: 12 OCT 2009 DCM: HARNHT2AHN Serial: WCAV27 Family: Pinclite Location: Thailand |
Model: WD1600AAJB-00PVA0 Date: 13 DEC 2007 DCM: DHNYHT2CB Serial: WMAP9C Family: Tornado PATA Location: Malaysia |
| Model: WD5000LMVW-11VEDS0 Date: 23 April 2013 DCM: HHMTJBKB Serial: WX51A3 Family: Hubble LT Location: Thailand |
Model: WD5000LPVT-60G33T0 Date: 01 DEC 2012 DCM: HBCTJHNB Serial: WX51AA Family: Hubble Location: Thailand |
| Model: WD10JMVW-11AJGS1 Date: 06 JUN 2013 DCM: HBKTJBKB Serial: WX61A5 Family: FBLite Location: Thailand |
Model: WD10JPVX-75JC3T0 Date: 24 MAR 2013 DCM: HHMTJHKB Serial: WXC1A1 Family: FBLite Location: Thailand |
| Model: WD5000LMVW-11CKRS0 Date: 19 DEC 2012 DCM: HA0TJHBB Serial: WX41AB Family: Hubble Location: Thailand |
Model: WD5000LPVT-60G33T0 Date: 01 DEC 2012 DCM: HBCTJHNB Serial: WX51AA Family: Hubble Location: Thailand |
| Model: WD30EZRS-11J99B1 Date: 24 SEP 2011 DCM: HARCHT2ABB Serial: WCAWZ1 Family: Dragon Location: Thailand |
Model: WD30EZRS-00J99B0 Date: 14 MAR 2011 DCM: HARCHV2AAB Serial: WCAWZ0 Family: Dragon Location: Thailand |
| Model: WD10EADS-22M2B0 Date: 27 JAN 2010 DCM: HHRNHT2CB Serial: WMAV51 Family: DragonFly 2 Location: Malaysia |
Model: WD10EADS-00M2B0 Date: 03 JUN 2009 DCM: HBRCNV2MA Serial: WMAV50 Family: DragonFly 2 Location: Malaysia |
| Model: WD20EARX-22PASB0 Date: 21 NOV 2011 DCM: HARNHTJCA Serial: WMAZA6 Family: Saddle G6 Location: Malaysia |
Model: WD20EARS-00MVWB0 Date: 29 SEP 2011 DCM: HHNNNTJCBB Serial: WCAZAC Family: Saddle G6 Location: Thailand |
| Model: WD40EZRZ-00WN9B0 Date: 18 OCT 2016 DCM: HARRNT2MAB Serial: WCC4E6 Family: Giant Location: Thailand |
Model: WD40EZRZ-00WN9B0 Date: 16 SEP 2015 DCM: HHNNHT2CHB Serial: WCC4E6 Family: Giant Location: Thailand |
| Model: WD10TMVW-11ZSMS0 Date: 05 SEP 2010 DCM: HBMTJBNB Serial: WXC1A7 Family: Helios Location: Thailand |
Model: WD10TMVW-11ZSMS1 Date: 24 OCT 2010 DCM: EBMTJBBB Serial: WXP1E8 Family: Helios Location: Thailand |
- Drive Configuration Matrix (DCM) breakdown for HARNHTJCA
- (H) Spindle Motor
- (A) Base
- (R) Latch
- (N) Bottom Magnet
- (H) Media Type
- (T) Head Stack Assembly (HSA)
- (J) Actuator-Preamp
- (C) Top Magnet
- (A) Separator
- unknown
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