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Silver 3.5 inch internal hard drive with label showing WD Gold 12TB

Western Digital

Western Digital WD122KRYZ 12TB 7200 RPM 512MB SATA 3.5" internal hard drive

SKU CH-3C6X-JAMTD MPN WD122KRYZ

Enterprise-class 12 TB SATA hard drive with 7200 RPM, 512 MB cache and 2.5 M hours MTBF for 550 TB yearly workloads

  • InterfaceSATA 6.0Gb/s
  • Capacity12TB
  • RPM7200 RPM
  • Cache512MB
  • FeaturesBuilt For Demanding Use Cases Customize your business’s stor
  • UsageFor Enterprise Storage

Options 12TB

  • Enterprise-grade reliability with 2.5M hours MTBF
  • Handles heavy workloads rated at 550TB per year
  • Fast 7200 RPM performance with 512MB cache
  • Massive 12TB capacity for demanding storage needs
  • SATA 6.0Gb/s interface fits standard enterprise systems

Enterprise Storage Drive

The Western Digital WD122KRYZ is a 12TB 3.5-inch internal hard drive built for enterprise storage systems and data centres. It operates at 7200 RPM with a SATA 6.0Gb/s interface and a 512MB cache to handle demanding read-write workloads. The Gold series design targets high uptime environments such as RAID, erasure coding or JBOD arrays.

Suited For Continuous Workloads

This drive suits organisations that need large-capacity, high-reliability storage for servers and multi-bay enclosures running 24/7. It is rated for 550TB per year workloads and up to 2.5M hours MTBF. Buyers who want more storage capacity or a different interface should look at other models in the range.

Sustained Load Behaviour

Under sustained load the drive maintains its enterprise-class workload rating of 550TB per year without throttling. The 512MB cache helps smooth heavy sequential and random I/O streams typical of database and virtualisation tasks. Vibration protection and rotational vibration safeguards keep performance consistent in densely populated chassis.

Highlights

  • Enterprise-grade reliability with 2.5M hours MTBF
  • Handles heavy workloads rated at 550TB per year
  • Fast 7200 RPM performance with 512MB cache
  • Massive 12TB capacity for demanding storage needs
  • SATA 6.0Gb/s interface fits standard enterprise systems

Specifications

BrandWD
SeriesGold
ModelWD122KRYZ
InterfaceSATA 6.0Gb/s
Capacity12TB
RPM7200 RPM
Cache512MB
FeaturesBuilt For Demanding Use Cases
Customize your business’s storage mix to fit your specific needs with hard drives in capacities of up to 26TB1, engineered for demanding applications with a read-write workload rating of up to 550TB2 per year.
Enhanced Reliability
With a five-year limited warranty3 supporting up to 2.5M hours MTBF4, WD Gold® hard drives deliver enhanced levels of dependability and durability.
Protection and Performance Boost
ArmorCache™ technology (available in 22TB and above) is a Western Digital-only feature that provides enterprise power loss protection of your data i
UsageFor Enterprise Storage
Form Factor3.5"
Shipping weight0.84 kg
Package size203 × 127 × 76 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What SATA interface and power connections does my motherboard or controller need to run this 12TB WD Gold drive?

The drive uses a SATA 6.0Gb/s interface and standard SATA power and data connectors, so any motherboard or RAID controller with a free SATA port can run it.

Can this 7200 RPM enterprise drive share a SATA controller or backplane with older desktop drives that run at lower speeds?

Yes — each SATA port negotiates its own link speed, so this 7200 RPM drive will operate at 6.0Gb/s while slower drives on the same controller run at their own rates.

How can I confirm the 512MB cache and 7200 RPM speed are active after installation?

Check the drive model and firmware in BIOS or with a tool such as CrystalDiskInfo; it will report WD122KRYZ, 7200 RPM and 512MB cache if the drive is operating as specified.

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