Alternative to X421A: Better-Value Equivalents in Stock
Comparing the X421A (X421A NetApp 450GB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar NetApp 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 X421A
| SKU | X421A |
|---|---|
| Product | X421A NetApp 450GB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive |
| Current price | $440.37 |
| Stock status | In Stock |
| Detail page | View X421A › |
Alternatives to X421A
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.
X421A-R6 - NetApp 450GB SAS 6Gb/s 10000RPM 2.5 Hard Drive for Disk Shelf Storage DS2246
SKU: X421A-R6
Price: $47.37
X486A-R5 - NetApp 450GB SAS 6Gb/s 10000RPM 2.5-inch Hard Drive for FAS2220 / FAS2520 Hybrid Storage Array
SKU: X486A-R5
Price: $145.26
X421_HCOBD450A10 - NetApp 450GB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive
SKU: X421_HCOBD450A10
Price: $343.39
SP-421A-R6 - NetApp 450GB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch SFF Hard Drive
SKU: SP-421A-R6
Price: $363.55
X90-421A-R5 - NetApp 450GB 10000RPM SAS 6Gb/s 64MB Cache 2.5-inch Hard Drive
SKU: X90-421A-R5
Price: $525.57
X421A-R5 - NetApp 450GB 10000RPM SAS 6.0Gb/s 2.5-inch Hard Drive for FAS20XX/DS2246
SKU: X421A-R5
Price: $47.37
108-00220 - NetApp 450GB 10000RPM SAS 6.0Gb/s 2.5-inch Hard Drive for FAS20XX/DS2246
SKU: 108-00220
Price: $164.05
SP-421A-R5 - NetApp 450GB 10000RPM SAS 6.0Gb/s 2.5-inch Hard Drive for FAS20XX/DS2246
SKU: SP-421A-R5
Price: $165.79
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.