What is the difference between a "bare drive" and other types of hard drives?

The main difference is it does not come in a retail box, no software is provided, no Sata cable and the warranty may or may not be the same. Also the price on a bare drive is normally lower, than one that is retail packaged. I would not worry about the warranty period in terms of years difference, Most manufacturers have dropped all their warranties to a One year period on lower end drives. Just do the research, read the reviews and make your decision. I Use the drive I bought in a home theater computer to record my TV programs. It has worked flawlessly thus far. Hope this help. Have a great day.

Does this WD AV-GP come in 3 and 4 TB? If so what are your p/n s to search for availability and price? I am getting a new Directv Gennie Hr44 and want to expand it before start using it.

WD30EURS is the model designation for the 3TB version. I don't know of anyone that makes a SATA II (3 Gb/s) 4TB drive; all the 4TB drives I've seen were SATA III (6 Gb/s)

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Western Digital AV-GP WD20EURS 2TB 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

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Ultimate reliability for video storage
Exclusive SilkStream technology
24x7 reliability for always-on video streaming
Whisper quiet
3-year limited warranty

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (150)

Western Digital Avgp 2Tb 7200Rpm (Intellipower) Sataii 64Mb Buffer 3.5Inch Internal Hard Disk Drive

Model
Brand	Western Digital
Series	AV-GP
Model	WD20EURS
Packaging	Bare Drive

Performance
Interface	SATA 3.0Gb/s
Capacity	2TB
Cache	64MB

Features
Features	Long-term Reliability - These drives are designed to last in high temperature always-on streaming digital audio/video environments such as PVR/DVR, DVR recorders and surveillance video recorders. Reduced Power Consumption - WD has reduced power consumption by up to 40 percent compared to competitors' drives with the combination of WD's IntelliSeek, IntelliPark, and IntelliPower technologies. SilkStream - Optimized for smooth, continuous digital video playback of up to twelve simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options. IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise and vibration. IntelliPark - Delivers lower power consumption by automatically unloading the heads during idle to reduce aerodynamic drag. Preemptive Wear Leveling (PWL) - The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications. Advanced Format Technology (AF) - Technology being adopted by WD and other drive manufacturers as one of multiple ways to continue growing hard drive capacities. AF is a more efficient media format that enables increased areal densities. (EURS models only)
Usage	For Video Surveillance

Dimensions
Form Factor	3.5"

Additional Information
First Listed on Newegg	July 15, 2025

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Western Digital AV-GP WD20EURS 2TB 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

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Western Digital AV-GP WD20EURS 2TB 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive

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Customer Reviews of the Western Digital WD20EURS

Warranty & Returns

Warranty, Returns, And Additional Information

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