Western Digital Green

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WD Green

  • Western Digital Green family.
  • Formerly known as Western Digital Caviar Green.
Most recent model / family at the top:

EZRX / AZRX family

  • WD Advanced Format Green.
Earlier models are based on 750 GB/platter,
later models are based on 1 TB/platter.

Model name breakout

  • WDnnnn - capacity in TB / (n x 0.1 GB)
  • E - form factor: 3.5 inch; units: TB /
A - form factor: 3.5 inch; units: GB
  • Z - business unit: Desktop; advanced format WD Green
  • R - 5400 RPM with 64MB cache
  • X - SATA 3Gbps, 6Gbps capable 22-pin SATA connector
  • -
  • nn - customer ID
  • xxx - internal model number (internal physical configuration)
  • B0 - revision

Notes

  • 5400 RPM
  • 4K physical sectors

Models

Model Cfg Capacity Platters Heads Platter
capacity
Max rate Min rate Firmware PCB
ASSY
Date Notes
WD40EZRX-00SPEB0 SPE 4 TB 4 8 1 TB 155 MBps 65 MBps 2013-09-01
.
WD30EZRX-00SPEB0 SPE 3 TB 3 6 1 TB 155 MBps 65 MBps 2012-05-01
.
WD30EZRX-00D8PB0 D8P 3 TB 2012-05-01
.
WD30EZRX-00DC0B0
WD30EZRX-22DC0B0
WD30EZRX-55DC0B0
DC0 3 TB 3 6 1 TB 155 MBps 65 MBps 2012-05-01 Diablo3D
WD30EZRX-00AZ6B0 AZ6 3 TB 130 MBps 55 MBps 2012-05-01 probably
750GB
WD30EZRX-00MMMB0 MMM 3 TB 4 8 750 GB 130 MBps 55 MBps 2012-05-01 phy_heads=8
used_heads=8
WD25EZRX-00AZ6B0 AZ6 2.5 TB 130 MBps 55 MBps 2012-04-01 probably
750GB
WD25EZRX-00MMMB0 MMM 2.5 TB 4 7 750 GB 130 MBps 55 MBps 2012-04-01
.
WD20EZRX-00D8PB0
WD20EZRX-19D8PB0
D8P 2 TB 2012-10-01
WD20EZRX-00DC0B0
WD20EZRX-19DC0B0
DC0 2 TB 2 4 1 TB 155 MBps 65 MBps 2012-10-01
WD15EZRX-00DC0B0 DC0 1.5 TB 2 3 1 TB 155 MBps 65 MBps
.
WD10EZRX-00A8LB0 A8L 1 TB 1 2 1 TB 155 MBps 65 MBps 2012-08-01
.
WD10EZRX-00DC0B0 DC0 1 TB 1 2 1 TB 155 MBps 65 MBps 2012-08-01
.
WD10EZRX-00L4HB0
WD10EZRX-22L4HB0
L4H 1 TB 1 2 1 TB 155 MBps 65 MBps 2012-08-01 phy_heads=2
used_heads=2
WD7500AZRX-00A8LB0 A8L 750 GB 1 2 1 TB 155 MBps 65 MBps short-stroked
rare
WD5000AZRX-00A8LB0 A8L 500 GB 1 1 1 TB 155 MBps 65 MBps 2012-06-01
.
WD5000AZRX-00L4HB0 L4H 500 GB 1 1 1 TB 155 MBps 65 MBps 2012-06-01
.

EARX family

  • WD Green EARX family

Model name breakout

  • WD
  • 10/15/20 - capacity: 1/1.5/2 TB
  • E - form factor: 3.5 inch; units: TB
  • A - Business unit: Desktop, WD Green
  • R - 5400 RPM with 64MB cache
  • X - SATA 3Gbps, 6Gbps capable 22-pin SATA connector
  • -
  • nn - customer ID
  • xxx - internal model number (internal physical configuration)
  • B0 - revision

Notes

  • 5400 RPM
  • 4K physical sectors

Models

Model Cfg Capacity Platters Heads Platter
capacity
Max rate Min rate Firmware PCB ASSY Notes
WD10EARX-00PASB0 PAS 1 TB 2 4 666 GB phy_heads=6
used_heads=4
WD10EARX-00N0YB0
WD10EARX-22N0YB0
WD10EARX-32N0YB0
N0Y 1 TB 2 3 666 GB 2061-771698-904 used_heads=3
Sadle2D
WD15EARX-00ZUDB0 ZUD 1.5 TB 5 6 600 GB phy_heads=6
used_heads=5
WD15EARX-00PASB0
WD15EARX-22PASB0
PAS 1.5 TB 3 5 666 GB
WD20EARX-00ZUDB0 ZUD 2 TB 4 8 600 GB 80.00A80 2061-771716-201
.
WD20EARX-008FB0 8F 2 TB 3 6 666 GB 125 MBps 55 MBps 51.0AB51 2061-771716-201
.
WD20EARX-00PASB0
WD20EARX-07PASB0
WD20EARX-22PASB0
WD20EARX-32PASB0
WD20EARX-55PASB0
PAS 2 TB 3 6 666 GB 130 MBps 55 MBps 51.0AB51 2061-771698-802
2061-771698-904
2061-771698-T04
WD20EARX-00AZ6B0 AZ6 2 TB 4 8 750 GB 130 MBps 85 MBps 80.00A80 short-
stroked
WD20EARX-00MMMB0 MMM 2 TB 4 8 750 GB 130 MBps 85 MBps 80.00A80 2061-771698-T04 short-
stroked

AZDX family

TODO

NPVT / NPVX family

TODO