Alternative to ST400NM0023: Better-Value Equivalents in Stock
Comparing the ST400NM0023 (ST400NM0023 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache 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 ST400NM0023
| SKU | ST400NM0023 |
|---|---|
| Product | ST400NM0023 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache 3.5-inch Hard Drive |
| Stock status | In Stock |
| Detail page | View ST400NM0023 › |
Alternatives to ST400NM0023
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.
1C1270-041 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 1C1270-041
Price: $129.66
9ZM270-035 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-035
Price: $145.26
9ZM270-155 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-155
Price: $149.47
9ZM270-038 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-038
Price: $149.47
9ZM270-036 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-036
Price: $170.53
9ZM270-150 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-150
Price: $173.68
9ZM270-037 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-037
Price: $189.47
9ZM270-003 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-003
Price: $194.74
9ZM270-157 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-157
Price: $211.00
ST4000NM0023 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache 3.5-inch Hard Drive
SKU: ST4000NM0023
Price: $223.16
9ZM270-001 - Seagate Constellation ES.3 4TB 7200RPM SAS 6Gb/s 128MB Cache (CE) 3.5-inch Hard Drive
SKU: 9ZM270-001
Price: $259.50
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.