Alternative to 42C0491: Better-Value Equivalents in Stock
Comparing the 42C0491 (42C0491 - IBM 15.8GB 2.5-inch Solid State Drive) against alternatives? Pro Disk Network stocks 12 similar IBM 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 42C0491
| SKU | 42C0491 |
|---|---|
| Product | 42C0491 - IBM 15.8GB 2.5-inch Solid State Drive |
| Current price | $537.39 |
| Stock status | In Stock |
| Detail page | View 42C0491 › |
Alternatives to 42C0491
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.
49Y6120 - IBM 200GB SATA 6GB/s 1.8-inch Enterprise MLC Hot Swapable Solid State Drive for IBM System x
SKU: 49Y6120
Price: $163.16
00AJ360 - IBM 240GB SATA 6GB/s 2.5-inch MLC Hot Swapable Enterprise Value Solid State Drive for IBM System x Server
SKU: 00AJ360
Price: $163.16
00AJ355 - IBM 120GB SATA 6GB/s 2.5-inch MLC Hot Swapable Enterprise Value Solid State Drive for IBM System x Server
SKU: 00AJ355
Price: $244.21
00AJ026 - IBM S3500 240GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System
SKU: 00AJ026
Price: $294.74
00AJ025 - IBM S3500 240GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System x
SKU: 00AJ025
Price: $485.53
49Y6119 - IBM 200GB SATA 6GB/s 1.8-inch Enterprise MLC Hot Swapable Solid State Drive for IBM System x
SKU: 49Y6119
Price: $801.72
00AJ027 - IBM S3500 240GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System x
SKU: 00AJ027
Price: $801.91
00AJ030 - IBM S3500 480GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System x
SKU: 00AJ030
Price: $823.95
00AJ032 - IBM S3500 480GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System x
SKU: 00AJ032
Price: $904.58
00AJ031 - IBM S3500 480GB SATA 6GB/s MLC 2.5-inch Enterprise Value Solid State Drive for IBM System
SKU: 00AJ031
Price: $904.58
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.