Technical Data

03:28 - Tuesday 17 April 2007 by Patrick Schmid
Source: Tom's Hardware – Keywords: hitachi, 7k1000, terabyte, hard, drive, uk

Technical Data

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Manufacturer Hitachi
Model Deskstar 7K1000
Model Number HDS721010KLA330
Capacity 1,000 GB
Spindle Speed 7,200 RPM
Other Capacities 750 GB
Platters 5
Cache 32 MB
NCQ Yes
Interface SATA/300
Warranty 3 years

One Terabyte Drive Vs. Two 500 GB Drives

We found out that the new Hitachi Deskstar 7K1000 is huge and fast, but it is not the fastest drive of its class, and it doesn't provide the cost per gigabyte ratio that you can get from drives at 400 GB or 500 GB capacities. This leads us to an interesting question: Why not get two 400 or 500 GB drives instead of one 1 TB 7K1000?

There are several aspects you should consider before answering this question. We've assembled the pros and cons in the following table:

%nbsp; 1x Hitachi Deskstar 7K1000, 1 TB 2x 500 GB (Hitachi, Samsung, Seagate, WD)
Capacity excellent
Cost £230 / €330 £200 / €300
Data Safety All data will be lost if drive fails. Data on the second drive is maintained if the first drive fails.
Running a RAID 0 reduces data safety, because one failed drive will kill the contents of the entire array.
Handling One 1,000 GB partition doesn't require maintenance. Two drives means that you could run out of storage on one drive and have to reconsider and reorganize your storage strategy.
Running a RAID setup requires a RAID controller.
Two drives create more heat, which may result in increased cooling requirements.
Installation Requires a single SATA port and drive bay. Requires two SATA ports and two drive bays.
Other 3 years warranty. Seagate offers 5 years warranty.
Two separate HDDs allow the user to copy very important data onto both drives.

Test Setup

System Hardware
Processor(s) 2x Intel Xeon Processor (Nocona core)
3.6 GHz, FSB800, 1 MB L2 Cache
Platform Asus NCL-DS (Socket 604)
Intel E7520 Chipset, BIOS 1005
RAM Corsair CM72DD512AR-400 (DDR2-400 ECC, reg.)
2x 512 MB, CL3-3-3-10 Timings
System Hard Drive Western Digital Caviar WD1200JB
120 GB, 7,200 RPM, 8 MB Cache, UltraATA/100
Test Hard Drive I Hitachi Deskstar 7K1000, HDS721010KLA300
1,000 GB, 7,200 RPM, 32 MB Cache, SATA/300
Mass Storage Controller(s) Intel 82801EB UltraATA/100 Controller (ICH5)
Silicon Image SATALink SiL3512
Driver 1.2.0.57
Promise FastTrak TX4310
Driver 2.06.1.310
Promise SATA 300TX4
Driver 1.0.0.33
Networking Broadcom BCM5721 On-Board Gigabit Ethernet NIC
Graphics Card On-Board Graphics
ATI RageXL, 8 MB
System Hardware
Performance Measurements c't h2benchw 3.6
PCMark05 V1.01
I/O Performance IOMeter 2003.05.10
Fileserver-Benchmark
Webserver-Benchmark
Database-Benchmark
Workstation-Benchmark
System Software & Drivers
OS Microsoft Windows Server 2003 Enterprise Edition,
Service Pack 1
Platform Driver Intel Chipset Installation Utility 7.0.0.1025
Graphics Driver Default Windows Graphics Driver

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