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Silver 3.5 inch bare hard drive 1.0 inch thick

Western Digital

Western Digital RE2 WD5000YS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-8PJA-25S44 MPN WD5000YS

A 500 GB, 7200 RPM SATA desktop drive with 16 MB cache and 1.2 million-hour MTBF at 100 % duty cycle

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity500GB
  • RPM7200 RPM
  • Cache16MB
  • Average Seek Time8.9ms
  • 7200 RPM spindle speed delivers responsive desktop performance
  • 16 MB cache buffers bursts for smoother multitasking
  • SATA 3.0 Gb/s interface fits standard motherboard ports
  • 500 GB capacity stores operating system and applications
  • 2 million hours MTBF at 100 % duty cycle signals enterprise-grade reliability

Enterprise-class SATA drive

The Western Digital RE2 WD5000YS is a 500GB 3.5-inch internal hard drive built to server-class standards for enterprise environments. It spins at 7200 RPM with a 16MB cache and connects via a SATA 3.0Gb/s interface. The drive carries a 1.2 million hour MTBF rating at 100% duty cycle.

Suited for legacy arrays.

This drive fits RAID arrays, servers or workstations that require a 3.0Gb/s SATA drive with proven enterprise reliability. Buyers needing larger capacities or faster interfaces should consider other options. The bare-drive packaging means no cables or mounting hardware are included.

3.0Gb/s SATA interface decides compatibility

The single specification that determines fit is the SATA 3.0Gb/s interface. Your system or controller must support this specific link speed to use the drive. Verify the interface before purchase.

Highlights

  • 7200 RPM spindle speed delivers responsive desktop performance
  • 16 MB cache buffers bursts for smoother multitasking
  • SATA 3.0 Gb/s interface fits standard motherboard ports
  • 500 GB capacity stores operating system and applications
  • 2 million hours MTBF at 100 % duty cycle signals enterprise-grade reliability

Specifications

BrandWestern Digital
SeriesRE2
ModelWD5000YS
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity500GB
RPM7200 RPM
Cache16MB
Average Seek Time8.9ms
Average Latency4.2ms
FeaturesSuperior reliability - Designed and manufactured to server-class standards to provide best-in-class enterprise reliability in high duty cycle environments. With 1.2 million hours MTBF at 100% duty cycle, these drives have the highest available reliability rating on a high-capacity drive.
Low power - Active Power Save delivers best-in-class seek mode power consumption through an advanced WD firmware which conserves power in active seek modes without degrading performance.
RAID-specific, time-limited error recovery (TLER) - A feature pioneered by WD, significantly reduces drive fallout
Form Factor3.5"
Shipping weight0.73 kg
Package size152 × 102 × 25 mm

Questions about this item

Will the 1.2 million hour MTBF rating at 100% duty cycle affect when the 3.5" drive mechanism needs replacement?

The 1.2 million hour MTBF is a statistical reliability metric at full duty cycle, not a scheduled replacement interval for the 3.5" mechanism.

Does the 8.9ms average seek time or 4.2ms latency become the bottleneck during continuous 7200 RPM operation?

The 8.9ms average seek time typically limits sustained random I/O throughput before the 4.2ms rotational latency at 7200 RPM.

How much heat and noise does the 500GB SATA 3.0Gb/s drive produce when running all day?

The bare 3.5" drive generates typical enterprise-class heat and acoustic levels for continuous 7200 RPM operation with 16MB cache.

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