Alternative to WDAC21000-74H: Better-Value Equivalents in Stock
Comparing the WDAC21000-74H (WDAC21000-74H - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar Western Digital 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 WDAC21000-74H
| SKU | WDAC21000-74H |
|---|---|
| Product | WDAC21000-74H - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive |
| Current price | $148.08 |
| Stock status | In Stock |
| Detail page | View WDAC21000-74H › |
Alternatives to WDAC21000-74H
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.
AC21000 - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC21000
Price: $102.09
AC21000-00H - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC21000-00H
Price: $153.59
WDAC21000 - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: WDAC21000
Price: $226.08
WDAC21000-18H - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: WDAC21000-18H
Price: $369.84
WDAC21000-00H - Western Digital Caviar 21000 1.08GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: WDAC21000-00H
Price: $405.26
AC21200 - Western Digital Caviar 1.2GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC21200
Price: $78.83
99-004198-000 - Western Digital Caviar 1.2GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: 99-004198-000
Price: $82.42
99-004222 - Western Digital Caviar 1GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: 99-004222
Price: $82.42
AC2120032H - Western Digital Caviar 1.2GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC2120032H
Price: $92.92
AC21200-10H - Western Digital Caviar 1.2GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC21200-10H
Price: $92.92
AC21200-00H - Western Digital Caviar 1.2GB 5200RPM IDE/ATA 128KB Cache 3.5-inch Hard Drive
SKU: AC21200-00H
Price: $92.92
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.