Product name

Travelstar		These drives include design enhancements for data intensive applications requiring round-the-clock operation
Enhanced Availability:		such as industrial systems, network routers/telephony, point-of-sale terminals, web hosting, and video surveillance.

Product name	Model number		Part number/Alternate part numbers	Capacity	Interface	Form	RPM	Buffer	Other information
						factor

Travelstar 7K320	HTE723212L9A300		0A59572	120GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 applications
Travelstar E7K200	HTE722020K9A300		0A55005	200GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 applications
Travelstar 7K500	HTE725050A9A364		0A73255	500GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 application
	HTE725032A9A364		0A73253	320GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 application
	HTE725025A9A364		0A73252	250GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 application
	HTE725016A9A364		0A73251	160GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 application
Travelstar E7K200	HTE722016K9A300		0A55004	160GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 applications
	HTE722016K9A300		0A55004	120GB	SATA 3Gb/s	2.5-inch	7200	16MB	Suitable for mission-critical 24x7 applications
Travelstar 5K500.B	HTE545050B9A300		0A70395	500GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE545032B9A300		0A70393	320GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE545025B9A300		0A70392	250GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE545016B9A300		0A70391	160GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
Travelstar E5K500	HTE545050KTA300		0A57319	500GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
Travelstar 5K320	HTE543232L9A300		0A58607	320GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE543225L9A300		0A58605	250GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE543216L9A300		0A58603	160GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE543212L9A300		0A58602	120GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
Travelstar E5K250	HTE542525K9A300		0A55266	250GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE542516K9A300		0A55264	160GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE542512K9A300		0A55263	120GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications
	HTE542580K9A300		0A55261	80GB	SATA 3Gb/s	2.5-inch	5400	8MB	Suitable for mission-critical 24x7 applications

Endurastar: Designed specifically to perform in extreme temperature environments. Ideal for automotive entertainment, surveillance and navigation applications. Now offering a much wider temperature range and industry-leading altitude specifications.

Endurastar J4K100	HEJ421010G9AT00	0A60166 0A60167	100GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -30° to +85° C
	HEJ421010G9SA00	0A60173 0A60174	100GB	SATA 1.5Gb/s	2.5-inch	4200	8MB	Op temp -30° to +85° C
	HEJ421080G9AT00	0A60164 0A60165	80GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -30° to +85° C
	HEJ421080G9SA00	0A60171 0A60172	80GB	SATA 1.5Gb/s	2.5-inch	4200	8MB	Op temp -30° to +85° C
	HEJ421040G9AT00	0A60162 0A60163	40GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -30° to +85° C
Endurastar N4K100	HEN421010G9AT00	0A60170	100GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -20° to +75° C
	HEN421080G9AT00	0A60169	80GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -20° to +75° C
	HEN421040G9T00	0A60168	40GB	PATA 100MB/s	2.5-inch	4200	8MB	Op temp -20° to +75° C
Endurastar J4K50	HEJ425050F9AT00	0A60006 0A60008	50GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -30° to +85° C
	HEJ425040F9AT00	0A60003 0A60005	40GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -30° to +85° C
	HEJ425030F9AT00	0A60000 0A60002	30GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -30° to +85° C
Endurastar N4K50	HEN425050F9AT00	0A60011	50GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -16° to +70° C
	HEN425040F9AT00	0A60010	40GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -16° to +70° C
	HEN425030F9AT00	0A60009	30GB	PATA 100MB/s	2.5-inch	4260	8MB	Op temp -16° to +70° C

0A39289, 7K2000, HTS541080G9SA00 specifications

The Hitachi HTS542525K9SA00, HDS722020ALA330, DSDS722009EN-02, and 7K2000 are notable hard drive models from Hitachi, showcasing advanced technologies and robust performance tailored for a range of applications.

Starting with the Hitachi HTS542525K9SA00, this 2.5-inch SATA hard drive offers a capacity of 250GB, making it suitable for both laptop and desktop environments. A key feature of this model is its 5400 RPM spindle speed, which strikes a balance between power efficiency and performance. Utilizing Hitachi’s innovative Perpendicular Magnetic Recording (PMR) technology, the HTS542525K9SA00 enhances data density and reliability, providing improved data access times and overall performance compared to traditional longitudinal recording methods.

Next, the HDS722020ALA330 is a 7200 RPM 3.5-inch SATA drive optimized for higher performance demands. With a capacity of 2TB, it features advanced technologies like Hitachi’s Advanced Format, which increases storage efficiency and data correction capabilities. The drive incorporates an industry-leading Seek Assist feature, which enhances read/write head accuracy, ensuring reliable data retrieval even in challenging environments. Additionally, its 32MB cache boosts performance by allowing faster data access and transfer rates.

The DSDS722009EN-02 is another impressive model from Hitachi. Offering a similar 7200 RPM speed, this hard drive provides up to 1TB of storage. It is designed for applications requiring substantial read/write operations, such as video editing and gaming. This model also utilizes Hitachi’s Smooth Read technology, which optimizes data flow and minimizes latency during intensive operations.

Finally, the 7K2000 model reaffirms Hitachi's reputation for high-capacity drives. With a storage capacity of 2TB and a 7200 RPM speed, this drive is engineered for high-performance computing environments. It features Hitachi’s Thermal Fly-height Control (TFC) technology, which maintains optimal head height for improved reliability and reduced risk of data loss. Additionally, the 7K2000 employs an advanced error recovery strategy, offering robust protection against data corruption.

Overall, these Hitachi models deliver a mix of efficiency, performance, and reliability, making them ideal for personal computing, gaming, and professional applications. Their incorporation of cutting-edge technology ensures enduring performance in various environments, catering to both casual users and professionals alike.

Enhanced Availability:

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0A39289, 7K2000, HTS541080G9SA00 specifications