Technical Snapshot

The WD Ultrastar DC HA210 2TB SATA is an enterprise-class 3.5" hard disk drive designed for demanding server and data center workloads. Spinning at 7,200 RPM with a 128 MB cache buffer, it delivers sustained transfer rates up to 136 MB/s over a SATA 6Gb/s interface. The drive is rated for 550 TB/year workload with a 2,000,000 hours MTBF, backed by WD's enterprise reliability engineering. With 2TB of raw storage capacity, it is suited for file servers, RAID arrays, backup infrastructure, and high-capacity storage deployments. Part of the WD Ultrastar DC HA210 product line.

Use Case
Enterprise file servers, RAID arrays, data center storage
Compatibility
Standard 3.5" drive bay, SATA 6Gb/s interface
Category
Enterprise Hard Disk Drive — WD Ultrastar DC HA210
WD ULTRASTAR DC HA210 Image not available
WD HDD
WD Ultrastar DC HA210

Ultrastar DC HA210 2TB SATA

SATA 6Gb/s · 3.5" · 7,200 RPM · 128 MB · 2TB

Total raw storage capacity of the drive.
Capacity 2TB
Rotational speed of the disk platters. Higher RPM provides faster sequential and random I/O performance.
RPM 7,200
On-drive DRAM buffer for caching frequently accessed data and optimizing read/write operations.
Cache 128 MB
Annual workload rating. Enterprise drives support sustained 24/7 heavy use in server and NAS environments.
Workload 550 TB/year
MPNHUS722T2TALA604
CategoryHard Disk Drives
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Drive Specifications

Form Factor3.5"
InterfaceSATA 6Gb/s
RPM7,200 RPM
Cache128 MB
Sustained Transfer Rate136 MB/s
Workload Rating550 TB/year
MTBF2,000,000 hours
Power (Idle)3.1W
Power (Operating)4.5W

Full Specifications

Data sourced from WD product specifications
Drive
SeriesUltrastar DC HA210
Capacity2TB
Form Factor3.5"
InterfaceSATA 6Gb/s
RPM7,200 RPM
Cache128 MB
Performance
Sustained Transfer Rate136 MB/s
Workload Rating550 TB/year
Reliability
MTBF2,000,000 hours
Power (Idle)3.1W
Power (Operating)4.5W
Product
BrandWD
SegmentEnterprise
MPNHUS722T2TALA604

Support & Downloads

WD Ultrastar DC HA210 2TB SATA Firmware UpdateLatest firmware · Check WD support
WD Support →
WD Ultrastar DC HA210 2TB SATA DatasheetPDF · Technical specifications
WD Support →
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Frequently Asked Questions

Is the Ultrastar DC HA210 2TB SATA compatible with my NAS?

Yes, the WD Ultrastar DC HA210 2TB SATA uses a standard SATA 6Gb/s interface and 3.5" form factor, compatible with any NAS that accepts 3.5" SATA drives. It is widely supported by Synology, QNAP, TrueNAS, and Unraid systems. The 550 TB/year workload rating makes it suitable for always-on NAS environments.

Can I use the Ultrastar DC HA210 2TB SATA in a RAID array?

Yes. The WD Ultrastar DC HA210 2TB SATA is designed for RAID deployments. Its 550 TB/year workload rating and 2,000,000 hours MTBF ensure reliability in RAID 5, RAID 6, RAID 10, and ZFS configurations. Enterprise and NAS drives include error recovery features (TLER/ERC) for RAID controller compatibility.

What does the 550 TB/year workload rating mean?

The workload rating indicates the maximum annual data transfer the drive supports while maintaining stated reliability. 550 TB/year means the drive supports approximately 1.5 TB of data transfer per day, suitable for busy file servers and multi-user environments.

How fast is the Ultrastar DC HA210 2TB SATA?

The WD Ultrastar DC HA210 2TB SATA spins at 7,200 RPM with a 128 MB cache buffer, delivering sustained transfer rates up to 136 MB/s. This is optimal for sequential workloads like large file transfers and backup operations.

How much power does the Ultrastar DC HA210 2TB SATA consume?

The WD Ultrastar DC HA210 2TB SATA draws 4.5W under operating load and 3.1W at idle. For multi-drive configurations, factor these values into your power budget — a 12-drive array would consume approximately 54W under load.

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