Alternative to 42R3965: Better-Value Equivalents in Stock
Comparing the 42R3965 (42R3965 - IBM 3.6V 3.9AH SAS 8PIN Cache Battery) 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 42R3965
| SKU | 42R3965 |
|---|---|
| Product | 42R3965 - IBM 3.6V 3.9AH SAS 8PIN Cache Battery |
| Current price | $395.34 |
| Stock status | In Stock |
| Detail page | View 42R3965 › |
Alternatives to 42R3965
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.
92P1151 - IBM Lenovo ThinkPad Extended Life Battery Notebook battery 1 x lithium ion
SKU: 92P1151
Price: $265.26
44W2171 - IBM 300MBPS SAS Fibre Channel RAID Controller for DS3400 Storage with 512MB Cache without Battery
SKU: 44W2171
Price: $485.71
39R6571 - IBM 300MBPS SAS Fibre Channel RAID Controller for DS3400 Storage with 512MB Cache without Battery
SKU: 39R6571
Price: $485.71
00Y2465 - IBM 0.6m SAS Cable (mSAS HD) SAS for Storage Drive 1.97 ft Mini-SAS Mini-SAS
SKU: 00Y2465
Price: $450.00
39J5554 - IBM RAID Controller Cache Battery for IBM 2780, 5580, 5708, 5780
SKU: 39J5554
Price: $344.33
97P4846 - IBM RAID Controller Cache Battery for IBM 2780, 5580, 5708, 5780
SKU: 97P4846
Price: $344.33
46C9010 - IBM N2125 SAS/SATA HBA for IBM System x 6Gb/s SAS PCI Express 3.0 x8 Plug-in Card 2 SAS Port(s)
SKU: 46C9010
Price: $539.68
46M0829 - IBM ServeRAID M5015 SAS/SATA PCI-Express 2 Controller with Battery
SKU: 46M0829
Price: $65.26
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.