Alternative to STM3500418AS: Better-Value Equivalents in Stock
Comparing the STM3500418AS (STM3500418AS - Seagate DiamondMax 23 500GB SATA 3Gb/s 7200RPM 16MB Cache Hot Swappable 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 STM3500418AS
| SKU | STM3500418AS |
|---|---|
| Product | STM3500418AS - Seagate DiamondMax 23 500GB SATA 3Gb/s 7200RPM 16MB Cache Hot Swappable 3.5-inch Hard Drive |
| Current price | $890.49 |
| Stock status | In Stock |
| Detail page | View STM3500418AS › |
Alternatives to STM3500418AS
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.
STM3750528AS - Seagate DiamondMax 23 750GB Hard Drive SATA 3Gb/s 7200RPM 32MB Cache Hot Swappable
SKU: STM3750528AS
Price: $856.21
9SL142-230 - Seagate BarraCuda 7200.12 500GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9SL142-230
Price: $144.07
ST9500423AS - Seagate Momentus 7200.4 500GB 7200RPM SATA 3Gb/s 16MB Cache 2.5-inch Hard Drive
SKU: ST9500423AS
Price: $182.37
9BL146-237 - Seagate BarraCuda ES 500GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9BL146-237
Price: $192.08
9BL146-523 - Seagate BarraCuda ES 500GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9BL146-523
Price: $192.08
9BL146-236 - Seagate BarraCuda ES 500GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9BL146-236
Price: $256.42
1BD142-232 - Seagate BarraCuda 500GB 7200RPM SATA 6Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 1BD142-232
Price: $195.32
1SB10A-232 - Seagate 500GB 7200RPM SATA 6Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 1SB10A-232
Price: $302.36
1BD142-023 - Seagate BarraCuda 500GB 7200RPM SATA 6Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 1BD142-023
Price: $344.84
ST320LT023 - Seagate Momentus 320GB 2.5-inch Hard Drive SATA 3Gb/s 7200RPM 16MB Cache
SKU: ST320LT023
Price: $84.21
ST9200423ASG - Seagate Momentus 7200.3 200GB 7200RPM SATA 3Gb/s 16MB Cache 2.5-inch Hard Drive
SKU: ST9200423ASG
Price: $143.39
ST9320423AS - Seagate Momentus 320GB 7200RPM SATA 3Gb/s 7-Pin 16MB Cache 2.5-inch Hard Drive
SKU: ST9320423AS
Price: $182.37
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.