Western Digital Caviar Green 2 TB, WD20EARX (00PASB0)

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Brand • Model • Rev
Western Digital WD20EARX (00PASB0)
Interface
SATA III
Form factor
3.5"
Controler
Marvell 88i9146
Flash1 Chip
Winbond W25X20BLNIG
Flash1 Size
256 KiB 0.25 MiB <br />262,144 B <br />2,048 Kib <br />2 Mib <br />2.441406e-4 GiB <br />
RAM1 Size
? MiB
RAM1 Chip
Samsung K4H511638J-LCCC
Vendor stated capacity: 2 TiB2,048 GiB <br />2,097,152 MiB <br />2,199.912 GB <br />2,199,912.448 MB <br />2,199,023,255,552 B <br />
Usable capacity: ? GiB

Additional chips
Spindle motor controller;STMicro;L7251;SMOOTH, L7251 3.1, 9915S V1, MYS 99 234, ST (E3)G 02;1;

Retail
(Est.) release date November 2012
UPC 230494828990
(UPC DB, On eBay)
ASIN B004VFJ9MK Flag of the United States.svg
Country of manuf Thailand

For a list of all currently documented Marvell chipsets with specifications, see Marvell.

Overview

See also Western Digital Green..

Links of Interest

Notes

Info dump

Model name breakout

  • WD20 - capacity: 2TB
  • E - form factor: 3.5 inch; units: TB
  • A - Business unit: Desktop, Western Digital Green
  • R - 5400 RPM with 64MB cache
  • X - SATA 3Gbps, 6Gbps capable 22-pin SATA connector
  • -
  • 00 - customer ID: 00 - generic
  • PAS - internal model number
  • B0 - revision

Physical specs

  • 666 GByte/platter
  • 3 platters
  • 6 heads
  • 5400 RPM
  • 4K physical sectors

Firmware

  • Firmware family: Saddle G6 AKA Saddle_Back generation 6
  • Flash: 256 KB
  • max sustained read rate: 125 MByte/sec

Utility output

smartctl -a /dev/sda
smartctl 6.1 2013-03-16 r3800 [x86_64-linux-3.8.5-1-ARCH] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Caviar Green (AF, SATA 6Gb/s)
Device Model:     WDC WD20EARX-00PASB0
Serial Number:    WD-WCAZAK297857
LU WWN Device Id: 5 0014ee 25d124d38
Firmware Version: 51.0AB51
User Capacity:    2,000,398,934,016 bytes [2.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ATA8-ACS (minor revision not indicated)
SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Sat Apr  6 13:40:52 2013 BST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x82)	Offline data collection activity
					was completed without error.
					Auto Offline Data Collection: Enabled.
Self-test execution status:      ( 113)	The previous self-test completed having
					the read element of the test failed.
Total time to complete Offline 
data collection: 		(40200) seconds.
Offline data collection
capabilities: 			 (0x7b) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					Offline surface scan supported.
					Self-test supported.
					Conveyance Self-test supported.
					Selective Self-test supported.
SMART capabilities:            (0x0003)	Saves SMART data before entering
					power-saving mode.
					Supports SMART auto save timer.
Error logging capability:        (0x01)	Error logging supported.
					General Purpose Logging supported.
Short self-test routine 
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 ( 387) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x3035)	SCT Status supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   188   187   051    Pre-fail  Always       -       1628
  3 Spin_Up_Time            0x0027   169   169   021    Pre-fail  Always       -       6508
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       21
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   098   098   000    Old_age   Always       -       1614
 10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       13
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       4
193 Load_Cycle_Count        0x0032   199   199   000    Old_age   Always       -       5029
194 Temperature_Celsius     0x0022   120   115   000    Old_age   Always       -       30
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       43
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       38
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       124

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Conveyance offline  Completed: read failure       10%      1598         159375080
# 2  Extended offline    Completed: read failure       90%      1591         159375080
# 3  Short offline       Completed: read failure       10%      1591         159375080

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

Diagnostics

RAM:
HDD Info reading........................ : Ok
Heads number............................ : 6
Cyl Count............................... : 256
 
Zone allocation table................... : Ok
SA SPT.................................. : 1980
 
ROM:
ROM reading............................. : Ok
ROM Data size........................... : 256 Kb
ROM version............................. : 20.88E
ROM generation.......................... : 20.89E
Link table version...................... : 0B.3F.
Consolidated ROM version................ : 00200088
 
ROM Modules:
Flash ROM dir reading................... : Ok
Flash ROM dir (ext) reading............. : Ok (Active)
Modules directory address............... : 108 041 (24)
SA regions address...................... : by default
 
SA Translator loading................... : Ok
 
Heads configuration..................... : by map
Heads number............................ : 6
Heads number in use..................... : 6
Switched off heads...................... : No
Heads map............................... : 0,1,2,5,6,7
ROM Firmware version.................... : 00200088
 
Service area:
SA dir reading (ID)..................... : Ok
SA Access............................... : Copy 0,Copy 1

ROM Modules
------------------------------
ID  : Description
------------------------------
0A  : Head Map
0B  : Flash ROM dir
0D  : Configuration
30  : Service Area module 30
47  : Service Area module 47
4F  : Firmware version
20B : Flash ROM dir (ext)

SA Regions
------------------------------
 N  : ABA        : Size
------------------------------
 0  : 0          : 380 160
 1  : 506 880    : 380 160
 2  : 1 013 760  : 380 160
 3  : 1 520 640  : 380 160
 4  : 2 027 520  : 380 160
 5  : 2 534 400  : 380 160
 
Micro Jogs
------------------------------
LH  : PH  : Micro Jog (Hex/Dec)
------------------------------
0   : 0   : C80/3200
1   : 1   : CE4/3300
2   : 2   : BDC/3036
3   : 5   : CF2/3314
4   : 6   : C51/3153
5   : 7   : CB1/3249