Alternative to 3900423: Better-Value Equivalents in Stock
Comparing the 3900423 (390-0423 - Sun 300GB 15000RPM SAS 3Gb/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar 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 3900423
| SKU | 3900423 |
|---|---|
| Product | 390-0423 - Sun 300GB 15000RPM SAS 3Gb/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive |
| Stock status | In Stock |
| Detail page | View 3900423 › |
Alternatives to 3900423
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.
390-0423-02 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0423-02
Price: $315.66
390-0423 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0423
Price: $315.66
542-0423 - Sun 600GB 10000RPM SAS 6Gb/s Hot-Swappable 16MB Cache 2.5-inch Hard Drive with Bracket
SKU: 542-0423
Price: $392.99
542-0423-01 - Sun 600GB 10000RPM SAS 6GB/s Hot Swap 16MB Cache 2.5-inch Internal Hard Drive
SKU: 542-0423-01
Price: $548.21
390-0461-04 Sun 300GB 15000RPM SAS 3GB/s 16MB Cache Hot-Pluggable 3.5-inch Hard Drive
SKU: 390-0461-04
Price: $121.05
390-0372 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0372
Price: $145.26
390-0461 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0461
Price: $187.37
390-0372-01 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0372-01
Price: $296.30
390-0461-02 - Sun 300GB 15000RPM SAS 3GB/s Hot-Pluggable 16MB Cache 3.5-inch Hard Drive
SKU: 390-0461-02
Price: $344.33
390-0372-03 Sun 300GB 15000RPM SAS 3GB/s 16MB Cache Hot-Swappable 3.5-inch Hard Drive
SKU: 390-0372-03
Price: $344.84
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.