Alternative to WDMX004RNN: Better-Value Equivalents in Stock
Comparing the WDMX004RNN (WDMX004RNN - Western Digital Expansion Kit 2TB 5400RPM SATA 3Gb/s 64MB 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 WDMX004RNN
| SKU | WDMX004RNN |
|---|---|
| Product | WDMX004RNN - Western Digital Expansion Kit 2TB 5400RPM SATA 3Gb/s 64MB Cache 3.5-inch Hard Drive |
| Current price | $678.09 |
| Stock status | In Stock |
| Detail page | View WDMX004RNN › |
Alternatives to WDMX004RNN
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.
WDBBDN0030HNC - Western Digital Expansion Kit 3TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WDBBDN0030HNC
Price: $492.79
WDMX005RNN - Western Digital Expansion Kit 3TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WDMX005RNN
Price: $905.34
WDBBDN0030HNC-PASN - Western Digital Expansion Kit 3TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WDBBDN0030HNC-PASN
Price: $1,097.26
WDBYBL0040HNC-EASN - Western Digital Expansion Kit 4TB 5400RPM SATA 6Gb/s 32MB Cache 3.5-inch Hard Drive
SKU: WDBYBL0040HNC-EASN
Price: $1,206.83
WDBYBL0040HNC-NASN - Western Digital Expansion Kit 4TB 5400RPM SATA 6Gb/s 32MB Cache 3.5-inch Hard Drive
SKU: WDBYBL0040HNC-NASN
Price: $1,206.83
WDBYBL0040HNC-PASN - Western Digital Expansion Kit 4TB 5400RPM SATA 6Gb/s 32MB Cache 3.5-inch Hard Drive
SKU: WDBYBL0040HNC-PASN
Price: $1,206.83
WDBBDN0030HNC-NASN - Western Digital Expansion Kit 3TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WDBBDN0030HNC-NASN
Price: $1,301.55
WDBBDN0030HNC-EASN - Western Digital Expansion Kit 3TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WDBBDN0030HNC-EASN
Price: $1,306.74
WD2002FYPS - Western Digital RE4-GP 2TB 5400RPM SATA 3Gb/s 64MB Cache 3.5-inch Enterprise Hard Drive
SKU: WD2002FYPS
Price: $121.05
WD2002FYPS-02W3B0 - Western Digital RE4-GP 2TB 5400RPM SATA 3Gb/s 64MB Cache 3.5-inch Enterprise Hard Drive
SKU: WD2002FYPS-02W3B0
Price: $147.37
WD20EARS-00MVWB0 - Western Digital Caviar Green 2TB 5400RPM SATA 3Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD20EARS-00MVWB0
Price: $147.37
WD2002FPYS - Western Digital 2TB 5400RPM SATA 3Gb/s 3.5-inch Hard Drive
SKU: WD2002FPYS
Price: $183.75
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.