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Silver 3.5-inch hard drive with black label and gold branding

Western Digital

Western Digital WD241KRYZ Gold 24TB 7200 RPM SATA 6.0Gb/s 512MB 3.5" internal hard drive

SKU CH-3C17-XW8AK MPN WD241KRYZ

24 TB enterprise-class 3.5-inch SATA hard drive with 7200 RPM, 512 MB cache and 2.5 M hours MTBF for data-centre storage

  • Total capacity24 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Max height1.03 in (2.62 cm)
  • 24TB capacity for massive data storage
  • 7200 RPM speed enables fast sequential access
  • 512MB cache improves burst transfer performance
  • HelioSeal technology reduces power draw at high capacity
  • 5M hours MTBF rating supports enterprise reliability

Enterprise-class capacity

The WD Gold WD241KRYZ is a 24TB 3.5" internal hard drive built for enterprise storage systems and data centres. It spins at 7200 RPM and connects via a SATA 6.0Gb/s interface with a 512MB cache. HelioSeal technology enables the high capacity while keeping power draw low. The drive carries a 2.5M hour MTBF rating and a 5-year limited warranty.

Suited for bulk storage, not speed-critical tiers

This drive suits administrators who need maximum capacity per bay for archives, backups or cold data in vibration-prone multi-bay chassis. Builders wanting low-latency access for operating systems, databases or real-time workloads should look at solid-state alternatives. The SATA interface also limits throughput for arrays that can saturate faster interconnects.

SATA 6.0Gb/s interface

The single specification that decides compatibility is the SATA 6.0Gb/s interface. Your host controller, backplane or enclosure must provide a standard SATA data and power connection. No other interface or protocol is supported by this model.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $844.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).
Total capacity 24 TB
Higher than about 96% of the 2,372 comparable items (median 2 TB).
Price per TB $35.21 per TB
Cheaper than about 76% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineGold
Model nameWD241KRYZ
Total capacity24 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height1.03 in (2.62 cm)
Maximum width4.01 in (10.2 cm)
Maximum length5.79 in (14.7 cm)
Shipping weight0.30 kg
Package size147 × 102 × 26 mm

Questions about this item

How much usable space does the 24TB capacity provide once the drive is formatted in a real system?

The drive offers 24TB of raw capacity; formatted capacity will be slightly lower due to file-system overhead and the difference between decimal and binary gigabytes.

What does the SATA 6.0Gb/s interface mean for actual transfer speeds?

The SATA 6.0Gb/s interface sets the maximum bus bandwidth; real-world sequential throughput will be lower and depends on the controller and workload.

Will the 3.5-inch form factor with 1.03in height fit in a standard desktop drive bay?

Yes, the drive measures 4.01in wide, 5.79in long and 1.03in high, matching the standard 3.5-inch desktop drive bay dimensions.

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