Formatted capacity, Physical organization

2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity	sectors	Bytes per sector

ST3160022ACE	160 Gbytes	312,581,808	512

ST3120025ACE	120 Gbytes	234,441,648	512

ST380012ACE	80 Gbytes	156,301,488	512

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders	Read/write heads	Sectors per track

16,383	16	63

2.4Physical organization

Model	Read/write heads	Number of discs

ST3160022ACE	4	2

ST3120025ACE	3	2

ST380012ACE	2	1

2.5Recording and interface technology

Interface	ATA

Recording method	16/17 EPRML

Recording density BPI (bits/inch max)	595,000

Track density TPI (tracks/inch max)	94,600

Areal density (Mbits/inch2 max)	56.3
Internal data-transfer rate OD (Mbytes/sec max)	85.4

Sustained data transfer rate OD (Mbytes/sec max)	48

I/O data-transfer rate (Mbytes/sec max)	100 (Ultra DMA mode 5)

Interleave	1:1

Cache buffer	2 Mbyte (2,048 kbytes)

U Series 9 ce Product Manual, Rev. F

U Series 9 CE specifications

The Seagate U Series 9 CE (Consumer Electronics) is a robust external storage solution designed to meet the growing demands of consumers for reliable, high-capacity data storage. This portable hard drive boasts a combination of innovative technology, user-friendly features, and an appealing design, making it an excellent choice for multimedia enthusiasts and professionals alike.

One of the standout features of the Seagate U Series 9 CE is its impressive storage capacity options. Ranging from 1TB to 5TB, users have the flexibility to choose a size that suits their specific needs. This vast storage capability allows users to carry their entire media library, including photos, videos, music, and documents, all in one compact device.

The U Series 9 CE is equipped with USB 3.0 technology, offering high data transfer speeds that significantly reduce wait times when transferring large files. This backward-compatible interface ensures that users can connect to a wide array of devices, including laptops, desktops, and gaming consoles, without any hassle. The drive’s plug-and-play functionality further enhances the user experience, as it requires no additional software installation.

In terms of design, the Seagate U Series 9 CE is sleek and portable, featuring a lightweight chassis that easily fits into a backpack or purse. Its minimalist aesthetic comes in various color options, allowing users to choose a drive that reflects their personal style.

Security is a priority for any storage device, and the U Series 9 CE incorporates features to protect data. With software encryption options available, users can safeguard their sensitive information from unauthorized access. Additionally, the drive has been designed for durability, with protection against shock and vibration, ensuring that valuable data remains safe even in demanding conditions.

Lastly, Seagate backs the U Series 9 CE with a warranty, providing users with peace of mind regarding their investment. Overall, the Seagate U Series 9 CE stands out as a top-tier external hard drive that combines performance, portability, and security, making it an ideal choice for anyone seeking reliable digital storage solutions.

Seagate U Series 9 CE manual Formatted capacity, Default logical geometry, Physical organization

Models: U Series 9 CE