0F38459 WD Ultrastar DC HC550 18TB SATA 512 MB 3.5" Server HDD

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Product line:

Ultrastar

See all Enterprise SATA HDDs

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€504.00

Out of stock

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Happyware Article Number:

SH7H4266-989948

Manufacturer Number:

0F38459

Brand:

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

0F38459

High-Density 3.5-inch Data Center HDD for SATA Nearline Storage with the 0F38459

The 0F38459 is an 18TB 3.5-inch enterprise HDD engineered for capacity-focused rack servers, JBOD enclosures, and scale-out storage nodes where SATA economics and predictable latency matter more than flash-tier IOPS. Built for 24x7 operation, it aligns with modern storage controllers and HBA-based designs that prioritize large pools, consistent streaming throughput, and controlled rebuild behavior across multi-drive shelves.

Architecturally, the 0F38459 supports data center storage stacks using standard single-port SATA connectivity while sustaining rotational stability in dense chassis through vibration safeguards and precision actuation. Its 4Kn format with 512e emulation enables clean integration into modern filesystems and object platforms while maintaining compatibility during phased migrations. EAMR and TDMR recording technologies, together with a Triple Stage Actuator, are applied to maintain track precision at high areal density, improving sustained reliability for large-capacity RAID groups, erasure-coded nodes, and backup repositories.

Why Choose the 0F38459?

The 0F38459 delivers a strong density-to-slot ratio for scale-out architectures by maximizing usable terabytes per bay without changing the SATA operational model. It is designed for enterprise reliability targets, supports predictable fleet behavior in multi-drive environments, and scales efficiently from small backup servers to large-capacity object/file clusters where standardized spares and consistent qualification reduce operational risk.

WD designs Ultrastar platforms with a focus on data center duty cycles, controlled vibration characteristics, and qualification for continuous operation in storage-dense racks. The engineering approach emphasizes long-life components, consistent firmware behavior, and alignment with modern server and enclosure standards for reliable integration.

Key Applications:

Bulk storage tiers for rack servers and JBODs
Backup and archive repositories
Scale-out object storage nodes
Scale-out file storage nodes

At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your needs for deploying the 0F38459 at scale, and an extended warranty of up to 6 years to secure long-term storage fleet planning.

Technical details of 0F38459

Capacity: 18TB

Form Factor: 3.5"

Interface: SATA

Rotations: 7200RPM

Cache: 512 MB

Noise Level Operation: 20dB, 36dB

Noise Level Idle: 20dB

How long is the Warranty and how you can get technical support for 0F38459

Warranty:	12 months (part)
RMA Url:	https://support-de.wd.com/app/rmastatus/
Description:	The item must be returned first for evaluation; if deemed defective, a replacement will be shipped. No guaranteed delivery times are offered