Alternative to WD4000YD: Better-Value Equivalents in Stock
Comparing the WD4000YD (WD4000YD - Western Digital Caviar SE 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar Western Digital parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the WD4000YD
| SKU | WD4000YD |
|---|---|
| Product | WD4000YD - Western Digital Caviar SE 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive |
| Current price | $165.79 |
| Stock status | In Stock |
| Detail page | View WD4000YD › |
Alternatives to WD4000YD
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
WD4000YR - Western Digital Caviar RE2 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000YR
Price: $172.42
WD4000AAKS - Western Digital Caviar SE16 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKS
Price: $195.63
WD4000YR-01PLB0 - Western Digital Caviar RE2 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000YR-01PLB0
Price: $211.00
WD4000KD - Western Digital Caviar SE16 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000KD
Price: $211.00
WD400YR - Western Digital Caviar RE2 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD400YR
Price: $217.24
WD4000AAKS-00TMA0 - Western Digital Caviar SE16 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKS-00TMA0
Price: $217.89
WD4000KD-55NSB2 - Western Digital Caviar SE16 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000KD-55NSB2
Price: $238.93
WD4000AAKSFR - Western Digital Caviar Blue 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKSFR
Price: $278.01
WD4000AAKS-00YGA0 - Western Digital Caviar SE16 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKS-00YGA0
Price: $291.79
WD4000YD-00KRB0 - Western Digital Caviar SE 400GB 7200RPM SATA 1.5Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000YD-00KRB0
Price: $294.37
WD4000AAKS-00A7B0 - Western Digital Caviar SE16 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKS-00A7B0
Price: $307.59
WD4000AAKS-00C8A0 - Western Digital Caviar SE16 400GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: WD4000AAKS-00C8A0
Price: $307.71
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.