ThinkPad 12.7mm Serial ATA Hard Drive Bay Adapter III

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stock picture of ThinkPad 12.7mm Serial ATA Hard Drive Bay Adapter III

Features and specifications

This is an adapter to connect an additional ThinkPad system hard disc drive (with attached rails) to the Serial Ultrabay Enhanced. Unlike previous second drive adapters, this model does not feature drive activity LED. This adapter does not support 12.7 mm hard disc drives: to install a 12.7 mm hard disc drive into your Serial Ultrabay Enhanced, use "RAID adapter for workstation models" FRU 60Y5513.

  • Takes any 9.5mm thick, 2.5" SATA HDD
  • Rated 5V ⎓ 1.5A
  • Approximate height: 13.8 mm (0.54 in)
  • Approximate width: 128.3 mm (5.05 in)
  • Approximate depth: 140 mm (5.51 in)
  • Approximate weight: 80 g (0.18 lb)

technical detail

scan of inside of this adapter
inside this adapter is a 5 V to 3.3 volt regulator and latch detector switch

This adapter supplies 3.3 V from 5 V with a voltage regulator marked VT350AF. Between slimline plug pin 1 (Device Present) and receptacle pin 5 is resistance 4.74 kΩ: an installed HDD connects pin 5 to ground pins 4 and 6. Between black and red wires is Ultrabay latch detector switch, normally open. Black is ground, red traces to slimline plug pin 4 (Manufacturing Diagnostic): when this adapter is installed in Ultrabay, latch locked, then switch is closed.

part numbers

  • Marketing P/N: 0A65623
  • FRU P/N: 04W3584
  • ASM P/N: 0B55883


compatible with

Help needed
Will you please test this?