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Models

HP 1TB 7200rpm SATA (NCQ/Smart IV) 6Gbp/s Hard Drive

QK555AA

HP 750GB 7200rpm SATA (NCQ/Smart IV) 6Gbp/s Hard Drive

QR469AA

HP 500GB 7200rpm SATA (NCQ/Smart IV) 6Gbp/s Hard Drive

QK554AA

HP 1-TB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

VU353AA

HP 750GB 7200rpm SATA (NCQ/Smart IV) 3Gbp/s Hard Drive

QP026AA

HP 500-GB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

KW347AA

HP 320-GB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

FH963AA

HP 250-GB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

PY278AA

HP 160-GB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

PY277AA

HP 80-GB SATA (NCQ/Smart IV) 3.0-Gb/s Hard Drive

PY276AA

Introduction

HP Serial ATA Hard Drives maximize the performance of HP Business PCs by providing the technologies to meet your increasing storage

demands with high-capacity drives offering superior reliability and performance.

Serial ATA provides faster data transfer speeds, better system cooling airflow, more bandwidth, more headroom for speed increases in

future generations and better data integrity. A next-generation technology, Serial Advanced Technology Attachment (SATA) interface

connects hard drives to the PC platform enabling easy aggregation of multiple hard drives into a single PC. This offers you the

additional benefits of dedicated bandwidth, the ability to more easily identify device failures and scalability.

HP Serial ATA 3.0-Gb/s Hard Drives offer data transfer rates of up to 3 Gb per second doubling your interface speed over SATA 1.5-Gb/s

Hard Drives.

HP Serial ATA 6.0-Gb/s Hard Drives offer data transfer rates of up to 6 Gb per second doubling your interface speed over SATA 1.5-Gb/s

Hard Drives.

HP Drive Lock

HP Serial ATA Hard Drives offer enhanced security via a new Drive Lock. When enabled, this ATA security feature set prevents software

access to user data on the drive until one or two user-defined passwords are provided.

SMART IV technology

Self Monitoring Analysis and Reporting Technology (SMART) hard drive technology is allows hard drives to monitor their own health

and to raise flags if imminent failures are predicted. If the drive determines that a failure is imminent, the SMART hard drive technology

enables the intelligent manageability or management software to generate a fault alert. While the current versions of SMART hard

drives do a good job monitoring the data on the hard drive media, the ever increasing emphasis on reliability and quality has promoted

HP to implement SMART IV technology which constantly checks that the data flow from host interface to media and media to host

interface is not compromised. This is accomplished by inserting a 2 byte parity code into every 512 byte block in the data path of the

hard drive's Cache RAM. This unique parity checking performed by HP's SMART IV technology hard drives, allows for more complete

error detection coverage encompassing the entire data path between the host and the hard drive.

Smart IV is also known as IOEDC: I/O Error Detection Code.

Native Command Queuing

NCQ or Native Command Queuing, is a SATA protocol extension that allows the hard drive to have several write or read commands

outstanding at the same time. In contrast, normal non-queued operation requires each command to be completed before the next

QuickSpecs

Serial ATA (NCQ and Smart IV) 3.0-Gb/s and 6.0-Gb/s

Hard Drives for HP Desktop PCs

Overview

DA - 12229 North America — Version 19 — January 25, 2013

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QuickSpecs 1

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Página 1 - QuickSpecs

ModelsHP 1TB 7200rpm SATA (NCQ/Smart IV) 6Gbp/s Hard DriveQK555AAHP 750GB 7200rpm SATA (NCQ/Smart IV) 6Gbp/s Hard DriveQR469AAHP 500GB 7200rpm SATA (

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command is issued by the host system. Queuing allows the drive to complete the commands in the order that allows for best overallthroughput. It also i

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http://www.windowsvista.com/systemrequirements.Service and SupportYour Option Limited Warranty is a one (1) year (HP Option Limited Warranty Period) p

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Serial ATA (6.0 Gb/s) HardDrives1 TBCapacity1,000,204,886,016 bytesHeight1 in (2.54 cm) or lessWidthMedia diameter: 3.5 in (8.89 cm) Physical size: 4

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Synchronous TransferRate (Maximum)Up to 6 Gb/sCache16 MBSeek Time (typical reads,includes controlleroverhead, includingsettling)Single Track2 msAverag

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Seek Time (typical reads,includes controlleroverhead, includingsettling)Single Track2.0 msAverage11 msFull-Stroke21 msRotational Speed7,200 rpmLogical

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Operating Temperature41° to 131° F (5° to 55° C)Option Kit ContentsHP SATA Hard Drive, the appropriate SATA cablefor the drive, installation guide

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HP QK555AT Ficha Técnica

Consulte online ou descarregue Ficha Técnica para Discos rígidos internos HP QK555AT. HP Promo 1TB 7200rpm SATA Manual do Utilizador

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