Alternative to 4XF0G45877: Better-Value Equivalents in Stock
Comparing the 4XF0G45877 (4XF0G45877 - Lenovo 2.5 2-Drive Rear Backplane Kit/System Upgrade Kit for ThinkServer RD550 RD650) 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 4XF0G45877
| SKU | 4XF0G45877 |
|---|---|
| Product | 4XF0G45877 - Lenovo 2.5 2-Drive Rear Backplane Kit/System Upgrade Kit for ThinkServer RD550 RD650 |
| Current price | $273.91 |
| Stock status | In Stock |
| Detail page | View 4XF0G45877 › |
Alternatives to 4XF0G45877
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.
44E8780 - IBM Lenovo Hard Drive Backplane for ThinkServer TS100 (type 6432)
SKU: 44E8780
Price: $143.39
46U3457 - IBM Lenovo SAS/SATA 3.5-inch Hard Drive Backplane for ThinkServer RD230
SKU: 46U3457
Price: $235.79
00FK886 - IBM 2x SATA 3.5-inch Hard Drive Rear Backplane for System x3650 M4 BD
SKU: 00FK886
Price: $161.79
46C6756 - IBM / Lenovo 3.5-inch SAS Hot Swappable 2-Slot Backplane Board for ThinkServer RS210 (Type 6533) x3250 M3
SKU: 46C6756
Price: $139.25
46U3524 - IBM Lenovo 3.5-inch HDD Backplane for ThinkServer RD240 (type 1047)
SKU: 46U3524
Price: $235.79
03X3878 - IBM Lenovo 1U / 2U Rail Kit Ball Bearing for ThinkServer RD330/RD430
SKU: 03X3878
Price: $149.47
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.