Alternative to 21044536: Better-Value Equivalents in Stock
Comparing the 21044536 (21044536 - IBM 36.40 GB 3.5 Internal Hard Drive - Ultra320 SCSI - 15000 rpm) 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 21044536
| SKU | 21044536 |
|---|---|
| Product | 21044536 - IBM 36.40 GB 3.5 Internal Hard Drive - Ultra320 SCSI - 15000 rpm |
| Current price | $415.37 |
| Stock status | In Stock |
| Detail page | View 21044536 › |
Alternatives to 21044536
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.
07N6803 - IBM 36.70 GB 3.5 Internal Hard Drive - 1 Pack - Ultra160 SCSI - 15000 rpm - 4 MB Buffer - Hot Swappable
SKU: 07N6803
Price: $149.21
06P5765 - IBM 18.20 GB 3.5 Internal Hard Drive - 1 Pack - OEM - Ultra160 SCSI - 15000 rpm - 4 MB Buffer
SKU: 06P5765
Price: $434.45
06P5767 - IBM 18.20 GB 3.5 Internal Hard Drive - 1 Pack - Retail - Ultra160 SCSI - 15000 rpm - 3.91 MB Buffer - Hot Swappable
SKU: 06P5767
Price: $438.16
06P5766 - IBM 36.40 GB 3.5 Internal Hard Drive - 1 Pack - Retail - Ultra160 SCSI - 15000 rpm
SKU: 06P5766
Price: $537.39
32P0784 - IBM 36.40 GB 3.5 Internal Hard Drive - 1 Pack - Ultra320 SCSI - 15000 rpm - 8 MB Buffer
SKU: 32P0784
Price: $537.39
9124-1972 - IBM 146.80 GB Internal Hard Drive - Ultra320 SCSI - 15000 rpm
SKU: 9124-1972
Price: $712.64
1814-5415 - IBM 300 GB Internal Hard Drive - Fibre Channel - 15000 rpm - Hot Swappable
SKU: 1814-5415
Price: $382.59
49Y1900 - IBM 450 GB 3.5 Internal Hard Drive - 6Gb/s SAS - 15000 rpm - Hot Swappable
SKU: 49Y1900
Price: $652.28
67Y1462 - IBM 450 GB 3.5 Internal Hard Drive - 6Gb/s SAS - 15000 rpm - Hot Swappable
SKU: 67Y1462
Price: $907.20
40K6804 - IBM 73.40 GB Hard Drive - Fibre Channel - 15000 rpm - Hot Swappable
SKU: 40K6804
Price: $173.68
40K6800 - IBM 36.40 GB Hard Drive - Fibre Channel - 15000 rpm - Hot Swappable
SKU: 40K6800
Price: $356.09
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.