Western Digital Caviar SE 120GB 7.2K EIDE Hard Drive WD1200JB

Western Digital Part #/MPN: WD1200JB

DiscTech Item #: WDC-WD1200JB-RF-OE

  • Special Order - Ships in 5-10 business days
    Special Order - Ships in 5-10 business days

    This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.


Capacity: 120GB

Speed: 7,200RPM

Interface Types: IDE ATA 3.5in

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Average Seek Time: 8.9 / 10.9

Electrical Interface: EIDE Ultra ATA100 100MBps

On-Board Cache: 8MB

Western Digital Caviar SE  120GB 7.2K EIDE Hard Drive WD1200JB - Refurbished

Key Features
  • RAID-specific time-limited error recovery improves compatibility with RAID adapters, and prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop hard drives.
  • 1 million hours MTBF meets enterprise-class reliability standards.
  • Backed by an industry-leading five-year warranty.
  • 8 MB cache provides a higher percentage of cache hits and significantly faster time to data than industry-standard 2 MB versions

Model:  WD1200JB   Specifications
Formatted Capacity 120,034 MB 
Interface40-pin EIDE
Actuator TypeRotary Voice Coil
Number of Disks2
Data Surfaces4
Number of Heads4
Bytes Per Sector512
User Sectors Per Drive234,441,648
Servo TypeEmbedded
Recording Method EPR4Rate 16/17 PRML
ECCReed Solomon
Head Park 2Automatic

PRML - Partial Response Maximum Likelihood
EIDE - Enhanced Integrated Drive Electronics

2 Turning the system power off causes the WD Caviar® to perform an automatic head park operation.

Performance Specifications
Average Seek 1
- Read
- Write
8.9 ms average
10.9 ms average
Track-to-Track Seek2.0 ms average
Full Stroke Seek 21 ms average
Index Pulse Period8.3 ms (nominal)
Average Latency4.2 ms (nominal)
Rotational Speed7200 RPM (nominal)
Data Transfer Rate (maximum)
100 MB/s (Mode 5 Ultra ATA)
66.6 MB/s (Mode 4 Ultra ATA)
33.3 MB/s (Mode 2 Ultra ATA)
16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 multi-word DMA)
Buffer Size8 MB
Error Rate - Unrecoverable<1 in 1014 bits read
Spindle Start Time
- From Power-on to Drive Ready 2
- From Power-on to Rotational Speed 3
7.0 s average 
5.0 s average 
Spindle Stop Time6.5 s average
Contact Start/Stop Cycles (CSS)50,000 minimum

1 When measuring seek times, the average latency must be subtracted from read, write, or explicit seek commands.
2 Defined as the time from power-on to the setting of the Drive Ready and Seek Complete including calibration.
3 Defined as the time from power-on to when the full spindle rotational speed is reached.

Click here to view the manufacturer's item description/brochure

Weight: 1.8 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty