can it replace older hhd in nightowl dvr

Yes. This hard drive is compatible with all recording units.

What is the difference between 3tb purple wd30purz and wd30purz, very confusing?

Absolutely nothing. They are the same.

Is this compatible with annke surveillance camera system 8ch 1080p lite h.264+ dvr with (8) hd 1080p outdoor weatherproof cameras cctv security camera

As the owner of South Jersey Surveillance Systems, I can assure you that any WD purple or Seagate Skyhawk hard drive is the appropriate type of storage drive for any and all DVRs and NVRs.

Whats the difference between this and the red plus?

WD Blue HDDs are mainly used for general purpose storage, they are great all-rounders, and an average user can’t go wrong with Blue. WD Green is basically same as Blue, but it lacks a bit of performance. However, it is the most eco-friendly HDD, and it’s quite cheap. WD Blacks are for pure performance including gaming, media, and content creation. Also one of the most expensive HDDs. WD Red is a NAS drive. It’s optimized for NAS systems. WD Purple is for surveillance. Advised for 24/7 operation. WD Gold, probably the most premium of all. Made for a multitude of Datacenter-specific applications.

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Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ

Product ID: 310191066

Details

Brand
Western
Color
Purple
Compatible Devices
Video System
Connectivity Technology
SATA
Digital Storage Capacity
8 TB
Hard Disk Description
Mechanical

⚡SATA 6 Gb/s interface

💾8TB storage capacity

🧠AllFrame AI tech for AI-enabled NVRs

¥136108

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Description

🎥 Keep every moment crystal clear with WD Purple – the pro’s choice for surveillance storage!

MASSIVE 8 TB CAPACITY - Store months of high-definition footage without compromise.
AI OPTIMIZED PERFORMANCE - AllFrame AI technology reduces frame loss and supports advanced video analytics.
BLAZING FAST DATA TRANSFER - SATA 6 Gb/s interface ensures smooth, uninterrupted video streaming.
HEAVY DUTY WORKLOAD SUPPORT - Handles up to 180 TB/year workload, perfect for multi-camera setups.
SURVEILLANCE GRADE RELIABILITY - Engineered for 24/7 operation in high-heat, vibration-prone environments.

The Western Digital 8TB WD Purple Surveillance Internal Hard Drive is purpose-built for continuous, high-definition video surveillance. Featuring a robust SATA 6 Gb/s interface, 128 MB cache, and AllFrame AI technology, it supports heavy write-intensive workloads up to 180 TB/year. Designed to withstand heat and vibration in multi-bay NVR systems, this 3.5-inch drive ensures reliable, seamless recording and playback for business and personal security needs.

Specifications

ASIN	B08XNL4CRM
Additional Features	Data Recovery Service
Best Sellers Rank	#54 in Internal Hard Drives
Brand	Western Digital
Built-In Media	WD Purple Surveillance hard drive
Cache Memory Installed Size	128
Color	Purple
Compatible Devices	Video Surveillance System
Compatible Video Game Console Models	Sony PlayStation 5
Connectivity Technology	SATA
Customer Reviews	4.5 4.5 out of 5 stars (340)
Data Transfer Rate	194 megabits_per_second
Digital Storage Capacity	8 TB
Enclosure Material	Information Not Available
Form Factor	3.5-inch
Global Trade Identification Number	00718037887906
Hard Disk Description	Mechanical Hard Disk
Hard Disk Form Factor	3.5 inches
Hard Disk Interface	Serial ATA
Hard Disk Rotational Speed	5640 rpm
Hard-Drive Size	8 TB
Hardware Connectivity	SATA 6.0 Gb/s
Hardware Platform	PC
Installation Type	Internal Hard Drive
Item Dimensions L x W x Thickness	5.79"L x 4"W x 1.03"Th
Item Type Name	Hard Drive
Item Weight	1.9 pounds
Manufacturer	Western Digital Technologies, Inc.
Mfr Part Number	WD84PURZ
Model Name	WD Purple Surveillance Hard Drive
Model Number	WD84PURZ
Number of Items	1
Read Speed	550 megabytes_per_second
Specific Uses For Product	Business, Personal
UPC	718037887906
Unit Count	1 Count
Warranty Description	Three year limited-warranty

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¥136108

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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