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Silver rectangular 3.5-inch hard drive with label showing Western Digital IU HA570 24TB SATA 7200 RPM 512MB cache

Western Digital

Western Digital IU HA570 WD240EDGZ 24TB 7200 RPM SATA 6.0Gb/s 512MB 3.5in internal hard drive

SKU CH-D2G1-0KFX5

24 TB 3.5-inch SATA drive with 7,200 RPM, 512 MB cache, CMR recording and HelioSeal helium sealing for 600 MB/s sustained throughput

  • Capacity24TB
  • RPM7200 RPM
  • InterfaceSATA 6.0Gb/s
  • Cache512MB
  • Recording TechnologyCMR
  • Form Factor3.5"
  • 24TB capacity fits massive datasets in a standard 3.5-inch bay
  • 7200 RPM spindle speed enables sustained transfers up to 600 MB/s
  • 512MB cache accelerates heavy read and write workloads
  • CMR recording technology ensures reliable performance in enterprise environments
  • HelioSeal design delivers outstanding power efficiency per terabyte

24 TB enterprise hard drive

The Western Digital IU HA570 WD240EDGZ provides 24 TB of storage in a standard 3.5-inch form factor. It targets enterprise servers, storage arrays, cloud deployments and big-data workloads that demand high capacity with CMR reliability. The 7200 RPM spindle and 512 MB cache support sustained throughput for backup, archiving and analytics tasks.

HelioSeal platform with 512e format

A helium-sealed HelioSeal design reduces internal turbulence to deliver strong power efficiency per terabyte. The drive uses conventional magnetic recording and a 512e sector format for broad compatibility with existing SATA 6.0 Gb/s controllers and drive bays. Standard 3.5-inch mounting allows direct installation in enterprise chassis and hot-swap trays without adapters.

600 MB/s sustained transfer with 2.5M-hour MTBF

Rated sustained transfer reaches 600 MB/s for consistent read and write performance in sequential workloads. The 2.5 million hour MTBF rating reflects design targets for continuous operation in multi-drive environments. Helium sealing lowers acoustic output and power draw compared with air-filled equivalents of similar capacity.

Highlights

  • 24TB capacity fits massive datasets in a standard 3.5-inch bay
  • 7200 RPM spindle speed enables sustained transfers up to 600 MB/s
  • 512MB cache accelerates heavy read and write workloads
  • CMR recording technology ensures reliable performance in enterprise environments
  • HelioSeal design delivers outstanding power efficiency per terabyte

Specifications

BrandWestern Digital
SeriesIU HA570
ModelWD240EDGZ
Part Number2W11125
Capacity24TB
RPM7200 RPM
InterfaceSATA 6.0Gb/s
Cache512MB
Recording TechnologyCMR
Form Factor3.5"
FeaturesHelioSeal

Questions about this item

Does the SATA 6.0Gb/s interface cap the WD240EDGZ at 600 MB/s in practice?

Yes, the SATA 6.0Gb/s link tops out at 600 MB/s, and the drive's sustained transfer rate reaches that ceiling.

What clearance does the 3.5in HelioSeal chassis need to mount in a server bay?

It fits any standard 3.5-inch drive bay with the usual side or bottom screw holes; the sealed helium design adds no extra height or width.

How is the 512e format handled during OS installation, and what step is often missed?

The drive presents 512-byte logical sectors; ensure the partition table uses GPT and the first partition starts on a 1 MB boundary so 4 KB physical sectors stay aligned.

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