Western Digital
Western Digital WD RE4 WD5003ABYX-20PK 500GB 7200 RPM 64MB SATA 3.0Gb/s 3.5" Internal Hard Drive
A 500 GB 3.5-inch desktop drive spinning at 7200 RPM with 64 MB cache and a SATA 3.0 Gb/s interface, rated for 1.2 million hours MTBF and 24×7 operation
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity500GB
- RPM7200 RPM
- Cache64MB
- Features1.2 million hours MTBF 24x7 reliability
- 500 GB capacity stores large datasets
- 7200 RPM spindle speed enables fast data access
- 64 MB cache buffer improves transfer performance
- 2 million hours MTBF supports continuous operation
- 5 inch form factor fits standard desktop bays
Product identity
This Western Digital WD RE4 desktop hard drive delivers 500 GB of storage on a 3.5 inch form factor with a SATA 3.0Gb/s interface. The 7200 RPM spindle speed and 64 MB cache support consistent throughput for RAID arrays and always-on workloads.
Who it suits
It suits system builders populating multi-bay enclosures or servers that require 24x7 reliability and a 1.2 million hour MTBF rating. Buyers needing solid-state speed, larger capacities or a SATA 6.0Gb/s interface should consider other options.
Deciding specification
The SATA 3.0Gb/s interface is the single specification that determines whether this drive matches your controller or backplane. Verify that your host bus adapter or motherboard port operates at this generation before purchasing.
Highlights
- 500 GB capacity stores large datasets
- 7200 RPM spindle speed enables fast data access
- 64 MB cache buffer improves transfer performance
- 2 million hours MTBF supports continuous operation
- 5 inch form factor fits standard desktop bays
Specifications
| Brand | Western Digital |
|---|---|
| Series | WD RE4 |
| Model | WD5003ABYX-20PK |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 500GB |
| RPM | 7200 RPM |
| Cache | 64MB |
| Features | 1.2 million hours MTBF 24x7 reliability |
| Form Factor | 3.5" |
| Shipping weight | 10.43 kg |
| Package size | 483 × 279 × 216 mm |
Questions about this item
What size drive bay and SATA interface does the WD5003ABYX-20PK require?
It fits a standard 3.5-inch bay and connects through a SATA 3.0Gb/s data port plus a SATA power connector.
Which step is often missed when installing this bare RE4 drive in a desktop?
Many builders forget to secure the drive with four 3.5-inch mounting screws, leaving it loose in the bay.
When should the WD5003ABYX-20PK be replaced based on its rated reliability?
The 1.2 million hour MTBF and 24x7 rating indicate a long service life; replace if SMART reports reallocated sectors or the drive develops unusual noise.
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