Alternative to UD558: Better-Value Equivalents in Stock
Comparing the UD558 (UD558 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI 3.5-inch Low Profile (1.0inch) Hot Swappable Hard Drive W) against alternatives? Pro Disk Network stocks 12 similar Dell 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 UD558
| SKU | UD558 |
|---|---|
| Product | UD558 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI 3.5-inch Low Profile (1.0inch) Hot Swappable Hard Drive W |
| Current price | $318.32 |
| Stock status | In Stock |
| Detail page | View UD558 › |
Alternatives to UD558
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.
DC959 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swappable 3.5-inch Low Profile (1.0-inch) Hard Drive W
SKU: DC959
Price: $184.21
H6776 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swapable 3.5-inch Low Profile (1.0-inch) Hard Drive W
SKU: H6776
Price: $210.53
0DC959 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swappable 3.5-inch Low Profile (1.0-inch) Hard Drive W
SKU: 0DC959
Price: $291.79
0UD558 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI 3.5-inch Low Profile (1.0inch) Hot Swappable Hard Drive W
SKU: 0UD558
Price: $318.32
341-2117 - Dell 146GB 15000RPM 80-Pin Ultra-320 SCSI Hot Swapable 3.5-inch Low Profile (1.0 inch) Hard DISK DRIV
SKU: 341-2117
Price: $392.99
0H6776 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swapable 3.5-inch Low Profile (1.0-inch) Hard Drive W
SKU: 0H6776
Price: $392.99
0D9983 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swapable 3.5-inch Low Profile (1.0-inch) Hard Drive
SKU: 0D9983
Price: $560.25
D9983 - Dell 146GB 15000RPM 80-Pin Ultr320 SCSI Hot Swapable 3.5-inch Low Profile (1.0-inch) Hard Drive
SKU: D9983
Price: $560.25
K4798 - Dell 146GB 10000RPM 80-Pin Ultr320 SCSI 3.5-inch Low Profile (1.0inch) Hot Swapable Hard Drive W
SKU: K4798
Price: $166.32
YJ434 - Dell 146GB 10000RPM Ultr320 SCSI 80-Pin Low Profile 3.5-inch Hot Swapable Hard Drive
SKU: YJ434
Price: $170.53
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.