Versatile. Fast. Dependable. The Fiercest Hard Drive. You've Ever Met.

HDD capacity. SSD Attitude.
Coupled with Intel® Optane™ memory, a revolutionary class of non-volatile memory, BarraCuda hard drives deliver it all.

SSD-like performance and responsiveness
- Massive capacity
- Twice the speed of standard drives for boot and load applications1
- Affordability with zero compromises

External and All-in-One PC Storage
You also have the option of a 3.5-inch form factor drive — in 3 TB, 4 TB and 5 TB capacities — which provides amazing storage for your important and critical work files, as well as those you personally treasure the most. This drive is an excellent solution for taking your external hard drive to the next level or bumping up the storage on your all-in-one or slim PC.

3.5-Inch BarraCuda Hard Drives Deliver!
Rock-solid reliability built on over 20 years of BarraCuda innovation. Versatile mix of capacity and price point options to fit any budget. Multi-Tier Caching Technology™ for excellent hard drive performance.

Multi-Tier Caching Technology
All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). MTC takes your PC to new performance levels, so you can load applications and files faster than ever before. By applying intelligent layers of NAND Flash, DRAM and media cache technologies, BarraCuda delivers improved read and write performance by optimising data flow.

Trusted Dependability
The BarraCuda family of reliable hard drives is here to stay, for years to come.
Experience — For more than 20 years, Seagate has manufactured and delivered the super-reliable BarraCuda family of drives BarraCuda — Seagate's drive-reliability data simply speaks for itself, and the BarraCuda family is often recognised by leading publications and customers. Worry less with a hard drive that has your back — BarraCuda Pro comes equipped with a 5-year limited warranty.

Specification

Product
Product id	864610
Brand	Seagate Technology
Partnr	ST4000DMA04
EAN/UPC code	0763649105252
Warranty (months)	24 months
Hard drive
RoHS compliance	Y
Features
HDD size	3.5
HDD capacity	4000 GB
HDD speed	7200 RPM
Interface	Serial ATA III
Type	HDD
Component for	PC
Storage drive buffer size	256 MB
HDD interface transfer rate	6 Gbit/s
HDD sustained transfer rate	190 MiB/s
HDD number of heads	4
Bytes per sector	4096
Power
Power consumption (typical)	5 W
Power consumption (standby)	0.25 W
Power consumption (idle)	2.5 W
Operating voltage	5 / 12 V
Start-up current	2 A
Operational conditions
Operating temperature (T-T)	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C
Weight & dimensions
Width	101.6 mm
Height	20.2 mm
Depth	147 mm
Weight	490 g