Alternative to 31P8855: Better-Value Equivalents in Stock
Comparing the 31P8855 (31P8855 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module for ThinkCentre A51 S50) 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 31P8855
| SKU | 31P8855 |
|---|---|
| Product | 31P8855 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module for ThinkCentre A51 S50 |
| Current price | $106.22 |
| Stock status | In Stock |
| Detail page | View 31P8855 › |
Alternatives to 31P8855
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.
31P9121 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module for ThinkCentre 8417-A6G
SKU: 31P9121
Price: $71.58
89P9746 - IBM 256MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Single Rank Memory Module
SKU: 89P9746
Price: $104.14
73P4026 - IBM 256MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Single Rank Memory Module
SKU: 73P4026
Price: $104.14
40T4131 - IBM 256MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 40T4131
Price: $104.14
20R1493 - IBM 256MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 20R1493
Price: $104.14
38L4796 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 38L4796
Price: $106.22
41P6809 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module
SKU: 41P6809
Price: $106.22
20R4377 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Single Rank Memory Module
SKU: 20R4377
Price: $106.22
06N4060 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 06N4060
Price: $106.22
77P4422 - IBM 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 77P4422
Price: $106.22
38L4054 - IBM 1GB DDR-333MHz DDR PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 38L4054
Price: $155.55
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.