Alternative to WD40NPZZ: Better-Value Equivalents in Stock
Comparing the WD40NPZZ (WD40NPZZ - Western Digital 4TB 5400RPM SATA 6Gb/s 2.5-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 WD40NPZZ
| SKU | WD40NPZZ |
|---|---|
| Product | WD40NPZZ - Western Digital 4TB 5400RPM SATA 6Gb/s 2.5-inch Hard Drive |
| Current price | $202.11 |
| Stock status | In Stock |
| Detail page | View WD40NPZZ › |
Alternatives to WD40NPZZ
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.
WD40E31X - Western Digital Blue 4TB 5400RPM Multi-Level-Cell SATA 6Gb/s 64MB Cache 8GB NAND Solid State Drive 3.5-inch Hybrid Hard Drive
SKU: WD40E31X
Price: $1,004.46
WD40PURZ - Western Digital Purple 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Surveillance Hard Drive
SKU: WD40PURZ
Price: $221.05
WD40EFRX - Western Digital Red 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EFRX
Price: $254.74
WD40EFRX-68WT0N0 - Western Digital Red 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EFRX-68WT0N0
Price: $254.74
WD40EZRX - Western Digital Green 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EZRX
Price: $268.42
WD40EZAZ - Western Digital Blue PC Desktop 4TB 5400RPM SATA 6Gb/s 256MB Cache 3.5-inch Hard drive
SKU: WD40EZAZ
Price: $291.79
WD40PURX - Western Digital Purple 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Surveillance Hard Drive
SKU: WD40PURX
Price: $294.74
WD40EFZX - Western Digital Red Plus NAS 4TB 5400RPM SATA 6Gb/s 128MB Cache 3.5-inch Hard Drive
SKU: WD40EFZX
Price: $294.74
WD40EZRZ - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EZRZ
Price: $296.30
WD40EFAX - Western Digital Red NAS 4TB 5400RPM SATA 6Gb/s 256MB Cache 3.5-inch Hard Drive
SKU: WD40EFAX
Price: $318.32
WD40EURX - Western Digital AV 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EURX
Price: $344.33
WDBH2D0040HNC-NRSN - Western Digital Desktop Mainstream 4TB 5400RPM SATA 6GB/s 64MB Cache 3.5-inch Hard Drive
SKU: WDBH2D0040HNC-NRSN
Price: $357.09
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.