0B48724 WD Ultrastar DC HC555 20TB SATA 512 MB 3.5" Server HDD
Get extra volume discount for 0B48724 and save cash:
| Quantity | Unit price |
|---|---|
| To 4 |
€945.64
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| To 9 |
€917.30
€945.64
(3% saved)
|
| To 19 |
€898.40
€945.64
(5% saved)
|
| From 20 |
€879.50
€945.64
(6.99% saved)
|
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Ultrastar
€945.64
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0B48724
High-Capacity 3.5in Datacenter SATA HDD for scale-out storage nodes with the 0B48724
The 0B48724 is an internal 20TB 3.5in datacenter HDD engineered for capacity-first server and JBOD architectures where predictable sustained throughput and 24x7 duty cycles are mandatory. As a SATA drive, it integrates cleanly into mainstream storage backplanes and HBA/RAID environments, supporting dense chassis designs that prioritise bays-per-U and straightforward serviceability.
Built on CMR with energy-assisted PMR (ePMR), the 0B48724 targets consistent write behaviour under rebuild, backup ingest, and object-store compaction workflows, avoiding the performance variability typical of shingled recording. 4Kn physical formatting with 512e emulation simplifies deployment across mixed OS and controller generations, while a 512MB cache improves burst absorption and queue efficiency. For platform-level resilience, the drive incorporates rotational vibration sensors with a triple-stage actuator and dynamic fly-height control to maintain head positioning in multi-drive enclosures where vibration coupling can impact latency and error rates.
Why Choose the 0B48724?
The 0B48724 delivers a strong density-to-performance ratio for capacity-optimised tiers, enabling higher usable TB per rack without moving to more complex interface ecosystems. In scale-out nodes and JBOD shelves, the 0B48724 supports predictable fleet behaviour through enterprise reliability design targets and sustained operation profiles, improving planning for rebuild windows, spares strategy, and node expansion.
WD designs Ultrastar datacenter drives with a focus on measurable reliability, firmware consistency, and mechanical stability for modern data centre standards, including vibration-rich storage enclosures and continuous service duty. The 0B48724 aligns with operational requirements such as secure decommissioning via Secure Erase and long-life qualification expectations for large homogeneous drive populations.
Key Applications:
- Object storage repositories
- Backup and restore targets
- Scale-out NAS storage nodes
- Content archives
- Capacity tiers in JBOD shelves
At Happyware - Server Hardware you benefit from non-binding offers tailored to your deployment and compatibility requirements for the 0B48724, and can extend the warranty up to 6 years to standardise lifecycle coverage across storage fleets.
Technical details of 0B48724
How long is the Warranty and how you can get technical support for 0B48724
| 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 |
| Support Portal: | https://support.happyware.com |
|---|
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