Western Digital (WD) 4TB Enterprise-Grade Mechanical Hard Drive DC HA340 SATA 7200 RPM 256MB CMR Vertical Server Hard Drive, 3.5-Inch WUS721204BLE6L4

Western Digital•hard drive

Western Digital (WD) 4TB Enterprise-Grade Mechanical Hard Drive DC HA340 SATA 7200 RPM 256MB CMR Vertical Server Hard Drive, 3.5-Inch WUS721204BLE6L4

CN¥3,499.00

SKU: 100104725823

Status:In Stock (28)

ID: 100104725799

Weight: 760.00 g

Dims:187x133x46 mm

Specifications

Interface: SATA interface
Rotation Speed: 7200rpm
Hard Drive Type: Enterprise-level hard drive
Capacity: 4TB
Cache: 256MB
Hard drive size: 3.5 inches

Variants / Sale Attributes

capacity: Enterprise | Data Center Hard Drive

version: 4TB New

Package Contents

Hard drive × 1

Product Description

Overview

Brand: Western Digital
Product Type: Mechanical Hard Drive
Capacity: 1TB to 24TB
Interface: SATA/SAS
Speed: 5400/7200 RPM
Workload: 180TB to 550TB per year
Product Performance: High efficiency and reliability
Preferred Service: 2 to 5 years warranty with replacement

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Ramp Load Technology

Yes

Essential for Installation

DIY installation required

Energy Efficiency

High efficiency and energy-saving

CMR Vertical Technology

Yes

Video Surveillance

Suitable for video monitoring applications

AllFrameTM Technology

Yes

NASwareTM3.0 Technology

Yes

UltrastarTM DCHA340 Data Center Drive

Specifically designed for workloads up to 550TB per year, available in 4TB, 6TB, 8TB, and 10TB capacities with 7200 RPM speed and transfer rates up to 255MB/s. Suitable for traditional IT systems, servers, and storage applications.

Enterprise Hard Drive Ultrastar Series Specifications

Item	Detail
Interface	SATA/SAS
Cache Capacity	128MB to 512MB
Packaging Type	Air/Helium
MTBF	Up to 2 million hours
Available Capacities	1TB to 24TB

Product Highlights

Supports workloads up to 550TB per year
Fast read/write speeds up to 7200 RPM
High-speed data transfer rates up to 255MB/s
Reliable performance with 2 million hours MTBF
Second-generation Dual-stage Micro Actuator for improved performance
Suitable for distributed file systems, big data analytics, DAS, NAS, and RAID arrays

Product Introduction

Item	Detail
Model	UltrastarTM DCHA340 Data Center Hard Drive
Interface Type	SATA 6Gb/s
Speed	7200 RPM
Data Buffer	256MB
Sector Size	4Kn, 4096, 512e, 512
Interface Transfer Rate	SATA 600MB/s
Availability	24x7
Capacity	4TB
Warranty	5 years
MTBF	2 million hours
Continuous Transfer Rate	Up to 255MB/s

Applications and Workloads

Suitable for distributed file systems (e.g., Apache Hadoop), big data analytics, DAS, NAS, and RAID arrays

Product Showcase

Brand: Western Digital
Model: Ultrastar DCHA340 Data Center Drive
Capacity: 4TB
Applications: Suitable for distributed file systems, big data analytics, DAS, NAS, and RAID arrays

This summarizes the product specifications for Western Digital's range of mechanical hard drives, including the Ultrastar DCHA340 Data Center Drive and Enterprise Hard Drive Ultrastar Series.