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Silver 3.5-inch helium-sealed enterprise hard drive with SATA connector

Western Digital

Western Digital Ultrastar DC HC530 14TB SATA 3.5" internal hard drive

SKU CH-D8X1-NX8EG

Enterprise 3.5-inch hard drive with 14TB helium-sealed capacity, 512MB cache, SATA 6.0Gb/s interface, and 2.5M-hour MTBF rating

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity14TB
  • Cache512MB
  • FeaturesHelium sealed, secure erase, power disable, TDMR
  • UsageFor Enterprise Storage
  • 14 TB capacity in a 3.5 inch form factor
  • 512 MB cache supports high throughput workloads
  • HelioSeal helium design lowers idle power per terabyte
  • 5 million hours MTBF rating for enterprise reliability
  • TDMR and dual stage microactuator improve head positioning

14TB enterprise SATA drive

The Western Digital Ultrastar DC HC530 is a 14TB helium-sealed hard drive built for enterprise storage arrays. It targets operators running cloud platforms, hyperscale clusters or big-data analytics workloads that demand high areal density. The 3.5-inch form factor fits standard drive bays in dense server chassis.

HelioSeal and TDMR benefits

HelioSeal helium sealing reduces idle power per terabyte by up to 58 percent compared with earlier 8TB air-filled Ultrastar drives. Two-dimensional magnetic recording plus an improved dual-stage microactuator keeps heads on track under rotational vibration. A 512MB cache and power-disable feature with an included SATA-to-SATA adapter cable support legacy host power control.

SATA 6.0Gb/s interface limits

The SATA 6.0Gb/s link caps sustained throughput well below the drive’s internal media rate, so sequential transfers saturate the bus before the platters limit performance. Random I/O is constrained by the single-port SATA command queue depth. The 2.5 million-hour MTBF rating reflects controlled enterprise environments; vibration-heavy or poorly cooled deployments will not reach that figure.

Points forts

  • 14 TB capacity in a 3.5 inch form factor
  • 512 MB cache supports high throughput workloads
  • HelioSeal helium design lowers idle power per terabyte
  • 5 million hours MTBF rating for enterprise reliability
  • TDMR and dual stage microactuator improve head positioning

Caractéristiques

BrandHGST Western Digital
SeriesUltrastar DC HC530
ModelWUH721414ALE604 (0F31156)
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity14TB
Cache512MB
FeaturesHelium sealed, secure erase, power disable, TDMR
UsageFor Enterprise Storage
Form Factor3.5"

Questions sur cet article

Will the helium seal on the WUH721414ALE604 ever need to be refilled or serviced?

The HelioSeal enclosure is factory-sealed for the life of the drive; no refill or maintenance of the helium chamber is required.

What thermal limit appears first when the Ultrastar DC HC530 runs sustained workloads?

The drive is rated for continuous operation within its specified temperature range; the 2.5M-hour MTBF reflects reliability under those sustained conditions.

How much power and heat does the 14TB helium drive produce during all-day operation?

HelioSeal technology delivers up to 58% lower idle watts per terabyte compared with 8TB air-filled Ultrastar drives, reducing both power draw and heat output.

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