Alternative to 4XB0G45721: Better-Value Equivalents in Stock
Comparing the 4XB0G45721 (4XB0G45721 - Lenovo 1TB 7200RPM 2.5-inch SATA 6GB/s GEN5 Enterprise Hot Swapable Hard Drive for ThinkKServer) against alternatives? Pro Disk Network stocks 12 similar IBM 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 4XB0G45721
| SKU | 4XB0G45721 |
|---|---|
| Product | 4XB0G45721 - Lenovo 1TB 7200RPM 2.5-inch SATA 6GB/s GEN5 Enterprise Hot Swapable Hard Drive for ThinkKServer |
| Current price | $610.97 |
| Stock status | In Stock |
| Detail page | View 4XB0G45721 › |
Alternatives to 4XB0G45721
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.
81Y9731 - IBM 1TB(1000GB) 7200RPM 6GB/s NL SATA 2.5-inch SFF Hot Swapable Hard DISK DRIV
SKU: 81Y9731
Price: $187.37
81Y9790 - IBM 1TB 7200RPM NL SATA 6GB/s 3.5-inch G2 Hot Swapable Hard Drive with Tray
SKU: 81Y9790
Price: $271.58
81Y9791 - IBM 1TB 7200RPM NL SATA 6GB/s 3.5-inch G2 Hot Swapable Hard Drive with Tray
SKU: 81Y9791
Price: $271.58
81Y9730 - IBM 1TB(1000GB) 7200RPM 6GB/s NL SATA 2.5-inch SFF Hot Swapable Hard DISK DRIV
SKU: 81Y9730
Price: $285.45
81Y9732 - IBM 1TB(1000GB) 7200RPM 6GB/s NL SATA 2.5-inch SFF Hot Swapable Hard DISK DRIV
SKU: 81Y9732
Price: $401.92
00AD010 - IBM 1TB 7200RPM SATA 6GB/s 3.5-inch Non Hot Swapable Hard Disk Drive for NeXtScale System
SKU: 00AD010
Price: $402.36
81Y9793 - IBM 1TB 7200RPM NL SATA 6GB/s 3.5-inch G2 Hot Swapable Hard Drive with Tray
SKU: 81Y9793
Price: $409.22
81Y9792 - IBM 1TB 7200RPM NL SATA 6GB/s 3.5-inch G2 Hot Swapable Hard Drive with Tray
SKU: 81Y9792
Price: $417.76
00AD040 - IBM 1TB 7200RPM SATA 6GB/s 2.5-inch Non Hot Swapable Hard Disk Drive for NeXtScale System
SKU: 00AD040
Price: $503.09
81Y3829 - IBM 1TB(1000GB) 7200RPM 6GB/s NL SATA 2.5-inch SFF Hot Swapable Hard DISK DRIV
SKU: 81Y3829
Price: $515.79
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.