Western Digital WDE4360 manual WDE2170 Current Requirements and Power Dissipation

Page 19

WD Enterprise WDE2170/WDE4360

Specifications

2.4.Electrical Specifications

2.4.1. Current Requirements and Power Dissipation

Table 2-7. WDE2170 Current Requirements and Power Dissipation

Operating

 

Current

Current

Power

Power

 

Mode

Population Mean + 4 Sigma

Population Mean

Pop Mean + 4 Sigma

Population Mean

 

 

 

5 VDC

 

5 VDC

4

 

4

 

12 VDC

 

SE/Diff.4

12 VDC

SE/Diff.4

SE/Diff.

SE/Diff.

 

Spin-up

peak DC

 

635/780 mA

peak DC

580/760 mA

___

___

 

1.22A

 

1.15A

 

 

 

 

 

 

 

 

 

 

Seek

mean DC

 

645/795 mA

mean DC

585/770 mA

7.65/8.70 W

7.05/8.14 W

50 ops/s1

390 mA

 

345 mA

Idle2

255 mA

 

625/785 mA

210 mA

570/760 mA

5.96/6.85 W

5.35/6.29 W

Read/Write3

365 mA

 

645/795 mA

325 mA

585/770 mA

7.65/8.70 W

7.05/8.14 W

Notes: All values at 25°C, 5.0V, 12.0V input.

1Example of doing 50 random ops/sec.

2The idle condition is defined by the motor running at the full rated RPM with no seeking or read/write operations being performed. The drive was track following on the OD cylinder for these measurements.

3This is for a ratio of four reads per one write.

4Differential option available on 68-pin models only.

Table 2-8. WDE4360 Current Requirements and Power Dissipation

Operating

 

Current

 

Current

Power

 

Power

 

Mode

Population Mean + 4 Sigma

Population Mean

Pop Mean + 4 Sigma

Population Mean

 

12 VDC

 

5 VDC

 

12 VDC

5 VDC

SE/Diff.

4

SE/Diff.

4

 

 

SE/Diff.

4

SE/Diff. 4

 

 

 

 

 

 

 

 

 

 

 

 

Spin-up

peak DC

 

625/790 mA

peak DC

595/725 mA

___

 

___

 

1.24A

 

1.16A

 

 

 

 

 

 

 

 

 

 

 

 

 

Seek

mean DC

 

625/790 mA

mean C

600/735 mA

9.22/9.95 W

8.71/9.38 W

50 ops/s1

520 mA

 

480 mA

Idle2

390 mA

 

610/790 mA

350 mA

585/730 mA

7.60/8.40 W

7.06/7.80 W

Read/Write3

500 mA

 

625/790 mA

460 mA

600/735 mA

9.22/9.95 W

8.71/9.38 W

Notes: All values at 25°C, 5.0V, 12.0V input.

1Example of doing 50 random ops/sec.

2The idle condition is defined by the motor running at the full rated RPM with no seeking or read/write operations being performed. The drive was track following on the OD cylinder for these measurements.

3This is for a ratio of four reads per one write.

4Differential option available on 68-pin models only.

4079-001045 Rev. B

RELEASED 04-08-97

11

Image 19
Contents Technical Reference Manual Western Digital 4079-001045 Rev. B Released Escription and F Eatures Installation and Maintenance List of Figures List of Tables General Description Description and FeaturesProduct Features Advanced FeaturesData Buffer of 1 Megabyte OptionsSpecifications Performance SpecificationsPhysical Specifications WDE2170 Physical SpecificationsWDE4360 Physical Metric Characteristic Dimension Tolerance Physical DimensionsDimension Inches Millimeters Mechanical Specifications067 069 Drive Axis Definition Released MountingWDE2170 Current Requirements and Power Dissipation WDE2170 +12V Current Profile Current Profile+12 VDC +5 VDC Input Voltage RequirementsRipple Bring-Up SequenceShock Environmental Specifications Shock and VibrationVibration Operating Vibration Component Location Maximum Temperature and HumidityTemperature and Humidity CoolingAltitude Mode Typical MaximumAtmospheric Pressure AcousticsDrive Baseplate Thermocouple Location Pcba Thermocouple Locations 4079-001045 Rev. B Released Agency Approvals Product Safety Reliability SpecificationsElectromagnetic Compatibility EMC Read Caching and Pre-Fetch Compatibility TestingSCSI-3 SPI Compliant Embedded Servo ControlReed Solomon ECC On-the-Fly Command Queuing and ReorderingMedia Defect Management Microcode DownloadHeaderless Format Zoned RecordingLED Support Option Block Functions Error Recovery Operations Hot Plug/Unplug Support Scsi Interface and Command SET Pin Designation Physical CharacteristicsOption Block Option Block Pin Assignments OPTION/SIGNAL Pins Configuration NotesScsi ID Jumper Table Pins 7 Pins 5 Pins 3 Pins 1Scsi Connectors Power Connectors and CablesScsi Physical Interface Drive Outline Pin Scsi ConnectorSignal Name Signal Name Pin NumberIV E O U T L in E SINGLE-ENDED Scsi Connector Differential Scsi Connector Pin Scsi Connector Pin Numbers Pin SCA-2 Scsi ConnectorSINGLE-ENDED Scsi Connector Electrostatic Discharge ESD Protection Installation and MaintenanceMaintaining the Drive Technical Support Glossary Internal status Glossary WD Enterprise WDE2170/WDE4360 Interface Matrix Appendix A. U Nderstanding the Model NumberIndex WD Enterprise WDE2170/WDE4360 Index H0300 4/97

WDE4360, WDE2170 specifications

Western Digital, a leader in data storage, has introduced innovative products like the WDE2170 and WDE4360 drives, which showcase their commitment to cutting-edge technology and reliability. These models are designed for various applications, from personal computing to larger enterprise solutions.

The WDE2170 is a 2TB hard drive positioned for consumers who require substantial storage for multimedia files, documents, and applications. Its interface features a SATA III connection, providing a robust data transfer rate that can reach up to 6Gbps. This speed ensures that users can access their files quickly and efficiently. Notably, the WDE2170 is equipped with a large cache size that enhances its performance during read and write operations. This makes it an excellent choice for gamers and content creators who need rapid access to their files.

On the other hand, the WDE4360 stands out as a 4TB offering, aimed at professionals and businesses requiring higher capacities. It utilizes advanced data management technologies to ensure data integrity and durability. With a focus on security features, the WDE4360 includes built-in encryption options to protect sensitive information. This model also utilizes advanced error recovery technology, which is vital for maintaining data integrity in RAID configurations or server setups.

Both models are built using Western Digital’s proprietary technologies that emphasize reliability and longevity. The drives are designed to withstand rigorous usage scenarios, making them perfect for environments where data access and protection are paramount. Additionally, these drives have low power consumption, which can help reduce operational costs, especially in larger installations.

The overall design of these drives is tailored for optimal performance and heat dissipation, ensuring that they can function effectively even under heavy loads. Western Digital's commitment to quality means that both the WDE2170 and WDE4360 undergo stringent testing processes to meet high standards of reliability before reaching the consumer market.

In conclusion, the Western Digital WDE2170 and WDE4360 are exceptional storage solutions, providing consumers and businesses with the speed, capacity, and reliability they need. These drives exemplify Western Digital's dedication to innovation and quality in the ever-evolving world of data storage. As data requirements continue to grow, these drives are sure to meet the demands of a diverse array of users.