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Service parts
The following parts are for use by Lenovo service, or Lenovo authorized dealers, to
support the customer warranty. Parts are for service use only. The table below shows
information for model 4421-HB2.
Table 3-3. List of service parts
Chapter 3. Reference information 3-11
FRU (Field
Replaceable Unit)
Part number Description Color
Machine Type Model
(MTM)
45J7670 Monitor_L2440x Wide Business Black 4421-HB2
45J8702 Signal cable (Analog) Business Black 4421-HB2
45J8703 Signal cable (Digital) Business Black 4421-HB2
45J8704 USB cable Business Black 4421-HB2
45J7671 DP cable Business Black 4421-HB2
45J8701 Stand & Base Business Black 4421-HB2