Alternative to 9R4007-645: Better-Value Equivalents in Stock
Comparing the 9R4007-645 (9R4007-645 - Seagate U5 Series 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive) against alternatives? Pro Disk Network stocks 12 similar Seagate 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 9R4007-645
| SKU | 9R4007-645 |
|---|---|
| Product | 9R4007-645 - Seagate U5 Series 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive |
| Current price | $265.26 |
| Stock status | In Stock |
| Detail page | View 9R4007-645 › |
Alternatives to 9R4007-645
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.
9BE011-645 - Seagate DB35 Series 80GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9BE011-645
Price: $166.29
9BE012-645 - Seagate DB35 Series 160GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9BE012-645
Price: $192.08
9AG283-645 - Seagate DB 35.1 Series 250GB 7200RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache (CE) 3.5-inch Hard Drive
SKU: 9AG283-645
Price: $204.36
9AG284-645 - Seagate DB35 Series 300GB 7200RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache 3.5-inch Hard Drive
SKU: 9AG284-645
Price: $385.47
9AG485-645 - Seagate DB35.1 Series 400GB 7200RPM IDE Ultra ATA/100 (ATA-6) 8MB Cache 3.5-inch Hard Drive
SKU: 9AG485-645
Price: $385.47
ST940210A - Seagate LD25.2 Series 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 2.5-inch Hard Drive
SKU: ST940210A
Price: $113.68
9R4007-530 - Seagate U5 Series 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R4007-530
Price: $157.00
9R4007-004 - Seagate U5 Series 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 512KB Cache (CE) 3.5-inch Hard Drive
SKU: 9R4007-004
Price: $339.07
ST340019ACE - Seagate BarraCuda 5400.1 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: ST340019ACE
Price: $119.08
ST340810A - Seagate 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: ST340810A
Price: $155.79
9Y3001-006 - Seagate BarraCuda 5400.1 40GB 5400RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache (CE) 3.5-inch Hard Drive
SKU: 9Y3001-006
Price: $165.79
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.