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1. Western Digital

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Western Digital 4TB WD Purple Surveillance Internal Hard Drive, 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, , 3.5", WD40PURZ

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Western Digital #ad - Engineered for compatibility. Built for 24/7 surveillance. Designed to support up to 64 HD cameras. Allframe technology for better performance. 3-year manufacturer's limited warranty.
BrandWestern Digital #ad
ManufacturerEastern Data - Atlanta -- Dropship #ad
Height4 Inches
Length5.8 Inches
Weight1.5 Pounds
Width1 Inches
Part NumberWD40PURZ
ModelWD40PURZ
WarrantyWestern Digital ("WD") values your business and always attempts to provide you the very best of service. No limited warranty is provided by WD unless your WD Product ("Product") was purchased from an authorized distributor or authorized reseller. Distributors may sell Products to resellers who then sell Products to end users. Please see below for warranty information or obtaining service. No warranty service is provided unless the Product is returned to an authorized return center in the region (warranty regions are identified as Canada, U.S.A., Latin America, Europe, Middle East, Africa, Asia Pacific, India and Thailand) where the Product was first shipped by WD, which may have regional specific warranty implications. If your Product was purchased as a component integrated within a system by a system manufacturer, no limited warranty is provided by WD.

2. Seagate

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Seagate Skyhawk 4TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6GB/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging ST4000VX007

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Seagate #ad - Rotational vibration rv sensors help maintain performance in RAID and multi-drive systems 4TB or higher. Maximum 180tb/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems. 3 year limited Manufacturer Warranty. Up to 10tb of capacity to store up to 10, 000 hours of HD video. Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.43 Pounds
Width4.01 Inches
Part NumberST4000VXZ07
ModelST4000VXZ07/VX007
Warranty3-year limited

3. MaxDigitalData

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MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive MD4000GSA6472DVR, w/ 2 Year Warranty

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MaxDigitalData #ad - Estimate record : 112 days 30FPS, 720P. Enhanced for Video Stream, Optimized for Surveillance. 2 years warranty from reseller, Worry Free Return, 100% Full Refund. Durable, heavy duty, Designed for 24/7 Operation. 4tb capacity, 7200rpm 64mb cache 3. 5in surveillance HDD.
BrandMaxDigitalData #ad
ManufacturerMaxDigitalData #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberMD4000GSA6472DVR
ModelMD4000GSA6472DVR

4. MDD MAXDIGITALDATA

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2 Year Warranty, MaxDigitalData 3TB 32MB Cache 5700PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive MD3000GSA3257DVR

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MDD MAXDIGITALDATA #ad - 3tb capacity, 5700rpm, 32mb cache 3. 5in surveillance Hard Drive. Enhanced for Video Stream, Optimized for Surveillance. Durable, heavy duty, coolspin technology for low power consumsion, Designed for 24/7 Operation, low heat and quiet operation. Estimate record : 84 days 30FPS, 720P. 2 years warranty from reseller, Worry Free Return, 100% Full Refund.
BrandMDD MAXDIGITALDATA #ad
ManufacturerMaxDigitalData #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberMD3000GSA3257DVR
ModelMD3000GSA3257DVR
Warranty2 Year Warranty from Reseller

5. Western Digital

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5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch, WD Purple 4TB Surveillance Hard Disk Drive, WD40PURZ Old Version

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Western Digital #ad - Prioritized write-operations for maximized surveillance performance. Engineered specifically for surveillance security systems. Reduced video frame loss. Ships in wd-certified box for safe transit during shipping. Package includes a hard drive only - no screws, cables, manuals included. Tler & ata streaming support. Please purchase mounting hardware and cables separately if necessary. Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1 Inches
Length5.8 Inches
Weight0.99 Pounds
Width4 Inches
Part NumberWD40PURX
ModelWD40PURZ
Warranty3-year manufacturer limited warranty

6. Seagate

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Seagate SkyHawk 2TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management ST2000VX008

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Seagate #ad - Up to 10tb of capacity to store up to 10, 000 hours of HD video. Rotational vibration rv sensors help maintain performance in RAID and multi-drive systems 4TB or higher. Maximum 180tb/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems. Custom-built for surveillance applications with image Perfect firmware for crisp, clear, 24×7 video workloads.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Height1.03 Inches
Length5.79 Inches
Weight1.08 Pounds
Width4.01 Inches
Part NumberST2000VX008
ModelST2000VX008
Warranty1 Year

7. MaxDigitalData

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MaxDigitalData 4TB 64MB Cache 5900PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive MD4000GSA6459DVR, w/ 2 Year Warranty

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MaxDigitalData #ad - Quiet operation, Low power consumption, cool temperature. Designed for 24/7 operation, Enhanced for Video Stream, Optimized for Surveillance. 4tb capacity, 5900rpm 64mb cache 3. 5in surveillance HDD. Estimate record : 112 days 30FPS, 720P. 2 years warranty from reseller, Worry Free Return, 100% Full Refund.
BrandMaxDigitalData #ad
ManufacturerMaxDigitalData #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberMD4000GSA6459DVR
ModelMD4000GSA6459DVR

8. MaxDigitalData

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MaxDigitalData 2TB 32MB Cache 7200PM SATA 3.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive MD2000GSA3272DVR, w/ 2 Year Warranty

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MaxDigitalData #ad - 2 years warranty from reseller, Worry Free Return, 100% Full Refund. 2tb capacity, 7200rpm 32mb cache 3. 5in surveillance HDD. Designed for 24/7 operation, Enhanced for Video Stream, Optimized for Surveillance. Estimate record : 60 days 30FPS, 720P. Quiet operation, Low power consumption, cool temperature.
BrandMaxDigitalData #ad
ManufacturerMaxDigitalData #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberMD2000GSA3272DVR
ModelMD2000GSA3272DVR

9. Seagate

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Seagate Skyhawk ST6000VX001 6TB 3.5" Internal Hard Drive, SATA

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Seagate #ad - Single pack. 6tb 5400rpm Skyhawk. This drive delivers the ultimate performance for surveillance DVRs and network video Recorders.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Height10.28 Inches
Length40.1 Inches
Weight0.88 Pounds
Width57.87 Inches
Part NumberST6000VX001
ModelST6000VX001
Warranty1 Year

10. MaxDigital

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MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s Enterprise Storage 3.5" Internal Hard Drive w/2 Year Warranty

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MaxDigital #ad - 3 terabyte capacity, 64mb buffer size, sata iiI 6. 0gbps interface, 7200RPM Rotation Speed. Perfect for datacenter hard drive, raiD System, nas network Storage, CCTV DVR and Desktop PC/Mac!. 100% new, zero Power Hours. Datacenter storage, Enterprise Grade, Excellent Condition. 2 years warranty from reseller. Maximum capacity, Heavy application workloads, 24x7x365 reliability.
BrandMaxDigital #ad
ManufacturerMaxDigital #ad
Height1 Inches
Length5.5 Inches
Weight1 Pounds
Width4 Inches
Part NumberMD3000FYYZ
ModelMD3000FYYZ