Alternative to ST3300555SS-U: Better-Value Equivalents in Stock
Comparing the ST3300555SS-U (ST3300555SS-U Seagate 300GB 15000RPM SAS 3Gb/s) 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 ST3300555SS-U
| SKU | ST3300555SS-U |
|---|---|
| Product | ST3300555SS-U Seagate 300GB 15000RPM SAS 3Gb/s |
| Stock status | In Stock |
| Detail page | View ST3300555SS-U › |
Alternatives to ST3300555SS-U
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.
9Z1066-023 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9z1066-023
Price: $103.16
9DJ066-080 - Seagate Cheetah T10 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9DJ066-080
Price: $103.62
9Z1066-046 - Seagate 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-046
Price: $113.68
9Z1066-065 - Seagate 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-065
Price: $113.68
9Z1066-004 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-004
Price: $113.68
43X0867 - IBM / Seagate Cheetah 15K.6 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 43X0867
Price: $115.58
9CH066-043 - Seagate Cheetah 15K.6 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9CH066-043
Price: $123.28
ST3300655SS - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: ST3300655SS
Price: $128.42
9Z1066-051 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-051
Price: $131.58
9Z1066-033 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-033
Price: $138.95
9Z1066-886 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-886
Price: $147.37
9Z1066-080 - Seagate Cheetah 15K.5 300GB 15000RPM SAS 3Gb/s 16MB Cache 3.5-inch Hard Drive
SKU: 9Z1066-080
Price: $147.37
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.