Features:

• ImagePerfect™ firmware is designed to ensure seamless video footage capture in24×7 surveillance workloads that record video from 64 HD cameras.
• SkyHawk Health Management actively helps protect your surveillance storage byfocusing on prevention, intervention, and recovery options. Included is RAIDRapidRebuild™, which provides 3× faster volume rebuilds over traditional RAIDrebuilds.
• Unparalleled data protection with included 3-year Rescue Data Recovery Servicesplan, helping protect important video data with Seagate's in-house data recoveryservices.
• RV sensors built in allow drives to maintain performance in multi-bay systems, givingcustomers the flexibility to scale their systems when more storage is needed.
• ATA streaming support enables recordings from up to 64 HD cameras for smooth,uninterrupted footage.
• Lower power consumption means a reduction in heat emissions, which improvesreliability in surveillance solutions. Tarnish-resistant components help protect drivefrom environmental elements, increasing field reliability.

Specifications:

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Specifications
Product Code	HD-S4000SU256
Details
Standard Model Numbers	ST4000VX013
SkyHawk Health Management Included	Yes
Interface	SATA 6 Gb/s
Recording Technology	SMR
Drive Design	Air
Features and Performance
Drive Bays Supported	Up to 16
Cameras Supported	Up to 64
RV Sensors	Yes
Max Sustained Transfer Rate OD (MB/s)	180MB/s
Cache (MB)	256
Reliability/Data Integrity
Tarnish Resistant	Yes
Load/Unload Cycles	600, 000
Non-recoverable Read Errors Rate, Max	1 per 10E14
Power-On Hours per year	8, 760
Workload Rate Limit (WRL)	180
Mean Time Between Failures (MTBF) (hours)	1,000,000 hr
Power Management
Startup Current, Typical (12V, A)	1.8
Average Operating Power (W)	3.7 W
Idling Average (W)	2.5 W
Standby Mode/Sleep Mode, Typical (W)	0.25/0.25
Voltage Tolerance (5 V)	±5%
Voltage Tolerance (12 V)	±10%
Environmental/Temperature
Operating (ambient, min °C)	0
Operating (drive case, max °C)	70
Non-operating (ambient, min °C)	-40
Physical
Height (mm/in, max)	20.2 mm/0.795 in
Width (mm/in, max)	101.85 mm/4.01 in
Depth (mm/in, max)	146.99 mm/5.787 in
Weight (g/lb, typical)	490 g/1.08 lb