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3.5 inch silver metal internal hard drive with green circuit board visible on underside

Western Digital

Western Digital WD1005FBYZ 1TB 7200 RPM 128MB Cache 3.5" SATA Internal Hard Drive

SKU CH-38CH-ZAB26 MPN WD1005FBYZ

Enterprise-class 1TB hard drive with 7200 RPM and 128MB cache for 24x7 datacentre workloads up to 550TB per year

  • InterfaceSATA 6.0Gb/s
  • Capacity1TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache128MB
  • FeaturesSpecifically designed for use in enterprise servers, datacen

Options 1TB

  • Enterprise reliability with up to 2.5M hours MTBF
  • Built for 24x7x365 operation at 550TB yearly workload
  • 7200 RPM and 128MB cache for responsive data access
  • SATA 6.0Gb/s interface integrates with existing servers
  • 5-inch form factor fits standard enterprise drive bays

Enterprise 1 TB SATA drive

The WD Gold WD1005FBYZ is a 3.5-inch internal hard drive built for enterprise servers, datacentre arrays and storage systems. It spins at 7200 RPM and provides a 128 MB cache over a SATA 6.0Gb/s interface. The unit is tested for continuous 24x7x365 operation at workloads up to 550 TB per year.

Suited for high-duty storage; not for light use

This drive targets administrators who need sustained throughput and a 2.5 million hour MTBF rating in multi-bay enclosures. Vibration protection helps maintain performance in dense chassis. Buyers who want a drive for occasional backups or a quiet desktop PC should look at something else.

550 TB annual workload rating

The 550 TB per year workload specification is the single figure that decides whether this drive matches the environment. If the planned write volume stays well below that level, a lower-cost drive may be adequate.

Points forts

  • Enterprise reliability with up to 2.5M hours MTBF
  • Built for 24x7x365 operation at 550TB yearly workload
  • 7200 RPM and 128MB cache for responsive data access
  • SATA 6.0Gb/s interface integrates with existing servers
  • 5-inch form factor fits standard enterprise drive bays

Caractéristiques

BrandWD
SeriesGold
ModelWD1005FBYZ
InterfaceSATA 6.0Gb/s
Capacity1TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache128MB
FeaturesSpecifically designed for use in enterprise servers, datacenter servers, and storage systems
Tested for 24x7x365 reliability at workloads up to 550TB per year
High level of reliability with up to 2.5 million hours MTBF
Performance-optimized for heavy application workloads
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.60mm
Length (maximum)147.00mm
Poids d’expédition0.75 kg
Dimensions du colis226 × 160 × 76 mm

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Questions sur cet article

How do I install the WD1005FBYZ in a 3.5-inch bay and what step is often missed?

Mount the drive using four 3.5-inch bay screws, connect the SATA 6.0Gb/s data cable and a SATA power connector, then verify the drive appears in BIOS before formatting; the step often missed is confirming the SATA controller is set to AHCI mode.

What maintenance or replacement will the WD Gold 1TB drive need over its service life?

No scheduled maintenance is required; the drive is rated for 24x7x365 operation at workloads up to 550TB per year with a 2.5M-hour MTBF, so replacement is only needed if SMART attributes report reallocated sectors or the drive exceeds its workload rating.

What limit appears first on the WD1005FBYZ during sustained heavy writes?

The 550TB-per-year workload rating is the first limit; sustained writes beyond that level can reduce the 2.5M-hour MTBF and trigger earlier wear-out, while the 128MB cache and 7200 RPM spindle handle burst traffic without throttling.

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