Service Manuals, User Guides, Schematic Diagrams or docs for : Hitachi disk Hitachi Travelstar E5K250
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TravelstarTM E5K250
2.5-INCH HARD DISK DRIVES
Enhanced Availability (EA) storage for 24 x 7 access to data
Highlights Features and Benefits
> Capacity range up to 250 GB 1
Feature/Function Benefits
> Highest 5400 RPM application performance
in PCMark testing Capacity Up to 250 GB of storage High-capacity storage in 2.5" form factor
* Capacity equivalence of 250 hours of video
> Industry-leading operating shock of 400G
> Best-of-breed low power consumption Performance Up to 665 MB/s media 10-25% faster application performance than
> Serial ATA 3 Gb/s transfer rate competitive 5400 RPM in PCMark testing
> Designed for applications needing Power 1.8W read/write power Industry-leading power management for
around-the-clock access in lower minimum current draw
transaction environments
Reliability 400G operating shock Best protection against bumps and rough handling
Applications 1000G non-operating shock
> Blade servers Thermal Fly-height Control (TFC) Better soft error rate for improved reliability
> Network routers and performance
> Point-of-sale terminals
TrueTrack TechnologyTM Tracking accuracy in high shock or vibration
> Web hosting
environments
> Video surveillance
Acoustics Quiet acoustics Nearly inaudible operation
Interface SATA 3 Gb/s High data throughput
*Actual storage may vary depending on the compression rate applied.
Balanced capacity and performance for mobile computing
The TravelstarTM E5K250 is Hitachi's highest capacity, 5400 RPM hard drive with enhanced
availability. With more than a 56% capacity improvement and 8% better application perfor-
mance than its predecessor, this drive can support the demands of "always-on" applications
in lower transaction settings. The E5K250 offers a maximum capacity of 250 GB with
best-of-breed performance in PCMark testing. Travelstar E5K250, with outstanding power
management, delivers the lowest 5400 RPM power consumption and draws minimum current.
Hitachi has improved the shock performance of the E5K250 by almost 23% to an industry-
leading 400G, enhancing its ability to withstand rough handling. The acoustics have also been
improved over the previous generation product, allowing its operation to be nearly inaudible
to the human ear. Travelstar E5K250 is designed to address the needs for high-capacity,
rugged storage for non-stop environments.
250, 160, 120 and 80 GB | 5400 RPM
SATA 3 Gb/s
Around-the-clock data operation
Hitachi employs specific microcode to allow the Travelstar E5K250 to deliver 24 x 7 access
to data. These models broaden the product line to make it more suitable for data intensive
applications requiring round-the-clock operation. Travelstar E5K250 provides leadership
capacity, performance, durability and power utilization on a proven platform for quality and
reliability. The E5K250 can support the stringent demands of "always-on" applications in
lower transaction environments.
www.hitachiGST.com
TravelstarTM E5K250
Preliminary
Specifications Planned availability: October 2007 Hitachi quality and service
Model(s) HTE542525K9A300 Hitachi Travelstar mobile hard disk drives are
HTE542516K9A300
designed to the highest quality standards and
HTE542512K9A300
HTE542580K9A300 contain field-proven components. Hitachi
Interface SATA 3 Gb/sec provides worldwide technical support and
Capacity (GB) 1 250 / 160 / 120 / 80 integration services to enable global customers
Sector size (bytes) 512 to bring their products to market quickly.
Recording zones 24
Data heads (physical) 4/3/2/2
HowtoreadtheTravelstarmodelnumber
Data disks 2/2/1/1
Max. areal density (Gbits/sq. inch) 205
HTE542525K9A300 = 250 GB, SATA 3 Gb/s
H = Hitachi
Performance
T = Travelstar
Data buffer (MB) 2 8
E = Enhanced Availability (vs S for Standard)
Rotational speed (RPM) 5400
54 = 5400 RPM
Latency average (ms) 5.5 25 = Full capacity -- 250 GB
Media transfer rate (Mbits/sec, max) 665 25 = Capacity this model, 25 =250 GB
Interface Transfer Rate (MB/sec, max) 300 (16 = 160 GB, 12 = 120 GB, 80 = 80 GB)
Seek time (read, typical) (avg. ms) 3 11 K = Generation code
Track to track (read, typical) (avg. ms) 1 9 = 9.5mm z-height
Full stroke 20
A3 = Interface, SATA 3 Gb/s
0 = Reserved
Reliability
0 = Reserved
Load/unload 600,000
Power on hours (POH) per month 730 InformationandTechnicalSupport
4
Availability 24x7
www.hitachigst.com (Main Web site)
Power
www.hitachigst.com/partners (Partner Web site)
Requirement +5 VDC (+ -5%)
Startup (W, peak, max.) 5.0
NorthAmerica
[email protected]
Seek (W, avg.) 2.2
Toll free: 1 888 426-5214, Direct: 1 507 322-2370
Read / Write (W, avg.) 1.8
AsiaPacific
Idle (W, avg.) 1.7 [email protected] / 65 6840 9595
Standby (W, avg.) 0.2
EMEAandUK
Sleep (W) 0.1 [email protected] / 44 20 7133 0032
Physicalsize Germany
z-height (mm) 9.5 mm [email protected] / 49 6929 993601
Dimensions (width x depth, mm) 70 x 100
Weight (max, g) 102 // 95
ProgramSupport
Partners FirstTM Program
Environmental(Operating) [email protected]
Shock (half-sine wave) 400G / 2ms, 200G / 1ms
Ambient temperature 5 to 40o C
Environmental(Non-operating)
Shock (half-sine wave) 1000G / 1ms
Ambient temperature -40 to 65o C 1 One GB is equal to one billion bytes; accessible capacity may be less
2 Upper 736KB out of 8MB used for firmware
Acoustics(A-weightedsoundpower) 3 Excludes command overhead
Idle (typical) 2.4 4 Intended for low duty cycle, non mission-critical applications in PC,
nearline, and consumer electronics environments, which vary from
Seek (typical) 2.6 application to application
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