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Tuesday, February 25, 2014
Seagate, WD Announce Latest Surveillence HDDs


Western Digital and Seagate have seperately announced their latest high-capacity hard drives for surveillance applications.

Western Digital announced the availability of WD Purple, a purpose-built line of 3.5-inch, high-capacity hard drives. Designed specifically for video surveillance units, WD Purple hard drives are designed for use in new and existing home and small business security environments with up to eight hard drives and up to 32 high-definition (HD) video cameras. Shipping today, WD Purple hard drives are available in capacities from 1 TB up to 4 TB.

WD Purple hard drives are equipped with WD technologies, including:

- AllFrame - When combined with ATA streaming support, AllFrame technology helps to reduce video footage loss with a proprietary cache policy management technology to help improve data flow and playback. WD Purple includes exclusive firmware upgrades that protect against video pixilation and interruptions within a surveillance system

- Advanced Format Technology (AFT) - the more efficient media format that enables increased areal densities

WD Purple hard drives are designed and tested to surveillance-class standards and are compatible with chassis and chip-sets. A Compatibility Selector is available with surveillance drive selection at: http://www.wd.com/en/products/products.aspx?id=1210.

WD Purple surveillance-class hard drives are available in capacities from 1 TB up to 4 TB and covered by a three-year limited warranty. MSRP for the 3.5-inch 1 TB drive (WD10PURX) is $89.99; the 2 TB drive (WD20PURX) is $119.99; the 3 TB drive (WD30PURX) is $159.99 and the 4 TB drive (WD40PURX) is $199.99 USD.

Seagate also today took the wraps off its seventh-generation hard drive disk (HDD) engineered for surveillance and video analytics applications- the Seagate Surveillance HDD.

A 3.5-inch drive, the Surveillance HDD is available in capacities up to 4TB. The drive incorporates rotational vibration (RV) sensors enabling it to reliably perform in systems with up to 16 drives.

The drive's improved time-to-read system allows installers to customize power settings and better support motion-activated cameras. Drives spin down for energy-saving efficiency when no motions are detected by cameras, while quickly powering back up when a motion-sensing camera is triggered.

The Surveillance HDD has a 1 million hour MTBF, (mean time between failure).


Seagate Surveillance HDD ST4000VX000 Surveillance HDD ST3000VX002 SV35.6 Series ST3000VX000 SV35.6 Series ST2000VX000 SV35.6 Series ST1000VX000
Capacity
4TB
3TB
3TB
2TB
1TB
Interface
SATA 6Gb/s
SATA 6Gb/s
SATA 6Gb/s
SATA 6Gb/s
SATA 6Gb/s
Spin Speed
7200RPM
7200RPM
7200RPM
7200RPM
7200RPM
Cache
64MB
64MB
64MB
64MB
64MB
Areal Density
625
536
625
625
625
Length
146.99mm
146.99mm
146.99mm
146.99mm
146.99mm
Width
101.6mm
101.6mm
101.6mm
101.6mm
101.6mm
Height
26.11mm
26.11mm
26.11mm
26.11mm
19.98mm
Typical Weight
610g
610g
626g
626g
400g
AFR
<1%
<1%
<1%
<1%
<1%
Average Operating Power
4.80W
4.80W
8.0W
8.0W
5.90W

 

WD
WD40PURX
WD30PURX
WD20PURX
WD10PURX
Capacity
4TB
3TB
2TB
1TB
Form factor
3.5 Inch
Interface
SATA 6Gb/s
User Sectors Per Drive
7,814,037,168
5,860,533,168
3,907,029,168
1,953,525,168
Spin Speed
IntelliPower
Load/unload Cycles
300,000 minimum
Cache
64MB
Operating System
Windows/Mac
Length
147 mm
Width
101.6mm
Height
26.1mm
Typical Weight
680g
640g
450g
Temperature
Operating: -0° C to 65° C
Non-operating: -40° C to 70° C
Shock
Operating Shock: (Read) 65G, 2 ms
Non-operating Shock: 250G, 2 ms
Acoustics
Idle Mode: 26 dBA (average)
Seek Mode: 027 dBA (average)
Idle Mode: 23 dBA (average)
Seek Mode: 024 dBA (average)
Idle Mode: 21 dBA (average)
Seek Mode: 022 dBA (average)
Power Dissipation
Read/Write: 5.10 Watts
Idle: 4.50 Watts
Standby: 0.50 Watts
Sleep: 0.50 Watts
Read/Write: 4.40 Watts
Idle: 4.10 Watts
Standby: 0.60 Watts
Sleep: 0.60 Watts
Read/Write: 3.30 Watts
Idle: 2.90 Watts
Standby: 0.70 Watts
Sleep: 0.70 Watts




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