-
Products
DATA CENTER
For personal storage solutions visit these Western Digital brands
Compromise
Nothing
No compromises. Nothing holding you back. The WD Black™ NVMe™ SSD features sequential read and write speeds up to 3,400/2,800 MB/s* for gaming, video editing, virtual reality, and beyond.
*Up to the stated speed. Values derived from internal testing; performance may vary depending upon drive capacity, host device, OS and application. -
Solutions
For personal storage solutions visit these Western Digital brands
ROI in Less Than 3 Months
Forrester examined the potential ROI your organization may realize using IntelliFlash storage.
-
Innovations
Innovation at
Western Digital
Western Digital has long been at the forefront of game changing innovations. From the invention of the first hard drive to recent advancements in 3D NAND our journey of innovation continues to inspire those who dare to think big about the possibilities of data.
Game
changer
SeriesProfiling the technologies and innovation that are moving the industry forward.
Endurastar Series
Automotive and Industrial 2.5-Inch Hard Drives
Large Capacity and Robust Features for Extreme Environments
Our compact, 2.5-inch Endurastar hard drives are purpose-built for use in extreme environments. Providing up to three times the capacity of its predecessor, the Endurastar J4K320 models provide up to 320GB of capacity and are built to operate at altitudes of up to 5,500 meters. Endurastar J4K320 drives are also designed for severe conditions with an operating temperature range of -30°C to +85°C and are well-suited to meet the rigors of the automotive environment.
Endurastar products are the ideal choice for supporting automotive applications including; navigation, telematics, in-car entertainment, and vehicle relational management. Leveraging a proven sixth-generation platform, the Endurastar J4K320 delivers the right blend of capacity and performance to meet the needs of extreme conditions found in both automotive and industrial environments.
Built for Extreme Environments
Durable Capacity
Up to 320GB of capacity for automotive and Industrial apps
Built for the Road
Wide operating temperature range for extreme environments
Elevation Support
Built for operation at altitudes up to 5,500 meters
Highlights
- Up to 320GB capacity optimized for automotive applications
- High operating altitude range of up to 5,500 meters
- Wide operating temperature range from -30°C to +85°C
- 6th generation product, based on proven technology
- SATA Interface
Applications and Workload
- Automotive
- GPS Navigation Systems
- Surveillance Applications
- Industrial Applications
Endurastar Series Product Portfolio
Up Arrow
Endurastar J4K320
Capacity
Up to 320GB of storage designed to thrive in extreme environments
Proven Design
6th generation product, based on proven technology
SATA Interface
Industry standard interface for integration simplicity
Specifications
Endurastar J4K320
General
Interface
SATA 1.5 Gb/s
Capacity1
320 / 250 / 200 / 100 / 80
Sector size (bytes)
512e
Performance
Data buffer (MB)2
8
Rotational speed (RPM)
4,260
Interface transfer rate (MB/s, max)
150
Media transfer rate (max, Mbits/sec)
750
Seek time (average, ms, read)
13
Reliability
Error rate (non-recoverable)
< 1 per 1014 bits transferred
Load/Unload cycles
600,000
Availability (hrs/day x days/wk)3
24x7
Acoustics
Idle (Bels, typical)
2.4
Operating (Bels, typical)
3.0
Power
Requirement
+5 VDC (+/-5%)
Startup (W, peak, max)4
4.5
Read/Write (W, avg)
1.7
Low Power Idle (W, avg)
0.8
Standby (W, avg)
0.2
Sleep (W)
0.14
Physical Size
z-height (mm, max)
9.5
Width (mm)
69.85
Depth (mm)
100.2
Weight (g, max)
97
Environmental (Operating)
Base casting Temperature
-30°C to 85°C
Altitude (m)
-450 to 5,500
Shock (half-sine wave)
300G (2ms)
Vibration (sine wave)
Up to 3G (10-500Hz)
Environmental (Non-Operating)
Ambient temperature
-40°C to 95°C
Altitude (m)
-450 to 15,000
Shock (half-sine wave)
800G (1ms)
Vibration (sine wave)
Up to 5G (10-500Hz)
Resources for Endurastar Series
People Also Viewed
Disclosures
One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to storage capacity. Accessible capacity will vary from the stated capacity due to formatting, system software, and other factors.
2.
Portion of buffer used for firmware
3.
Intended for less than 20% duty cycle industrial applications and other non-mission critical applications at operational temperature 5°C to 55°C. Service life of the drive is approximately 5 years or 15,000 power-on hours, whichever comes first.
4.
Power requirements shown apply to average operating temperatures. For power requirements at low temperatures, see OEM specification.