Alternative to WD40E31XSP: Better-Value Equivalents in Stock
Comparing the WD40E31XSP (WD40E31XSP - Western Digital Blue SSHD 4TB 5400RPM Multi-Level-Cell SATA 6Gb/s 64MB Cache 8GB NAND 3.5-inch Hybrid 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 WD40E31XSP
| SKU | WD40E31XSP |
|---|---|
| Product | WD40E31XSP - Western Digital Blue SSHD 4TB 5400RPM Multi-Level-Cell SATA 6Gb/s 64MB Cache 8GB NAND 3.5-inch Hybrid Hard Drive |
| Current price | $421.21 |
| Stock status | In Stock |
| Detail page | View WD40E31XSP › |
Alternatives to WD40E31XSP
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.
WD8-102990304 - Western Digital Blue SSHD 4TB 5400RPM SATA 6Gb/s 64MB Cache 8GB NAND Multi-Level-Cell 3.5-inch Hybrid Hard Drive
SKU: WD8-102990304
Price: $421.47
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
WD40E31X-00HY4A0 - Western Digital Blue 4TB 5400RPM Multi-Level-Cell SATA 6Gb/s 64MB Cache 8GB NAND 3.5-inch Hybrid Hard Drive
SKU: WD40E31X-00HY4A0
Price: $1,004.46
WD10S21X - Western Digital 1TB 5400RPM SATA 6Gb/s 7mm 2.5-inch SSHD Hybrid Drive
SKU: WD10S21X
Price: $417.54
WD10S21X-24R1BT0 - Western Digital 1TB 5400RPM SATA 6Gb/s 7mm 2.5-inch SSHD Hybrid Drive
SKU: WD10S21X-24R1BT0
Price: $450.00
Western WDS400T4B0E Western Digital WDS400T4B0E Blue SN5000 4TB Quad-Level Cell PCI Express NVMe 4.0 x4 M.2 2280 Solid State Drive
SKU: WDS400T4B0E
Price: $829.47
Western WDS400T3B0A Western Digital WDS400T3B0A Blue SA510 4TB Triple-Level Cell 6Gb/s SATA SFF 2.5-Inch Solid State Drive
SKU: WDS400T3B0A
Price: $2,155.79
WD10J31X - Western Digital Blue 1TB 5400RPM SATA 6Gb/s 64MB Cache 8GB NAND Multi-Level-Cell 2.5-inch Hybrid Hard Drive
SKU: WD10J31X
Price: $659.01
WDS400T2B0A - Western Digital Blue 3D NAND 4TB Triple-Level Cell SATA 6Gb/s 2.5-inch Solid State Drive
SKU: WDS400T2B0A
Price: $831.42
WD40EZAZ - Western Digital Blue PC Desktop 4TB 5400RPM SATA 6Gb/s 256MB Cache 3.5-inch Hard drive
SKU: WD40EZAZ
Price: $291.79
WD40EZRZ - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EZRZ
Price: $296.30
WD40EZRZ-00WN9B0 - Western Digital Blue 4TB 5400RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
SKU: WD40EZRZ-00WN9B0
Price: $495.00
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.