Replacement for 31P8856: Drop-In Alternatives We Stock
Looking for a replacement for the 31P8856 (31P8856 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module)? Pro Disk Network ships IBM drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the 31P8856
| SKU | 31P8856 |
|---|---|
| Product | 31P8856 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module |
| Current price | $113.34 |
| Stock status | In Stock |
| Detail page | View 31P8856 › |
Drop-in replacements for 31P8856
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.
38L4054 - IBM 1GB DDR-333MHz DDR PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 38L4054
Price: $155.55
06P4054 - IBM 512MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 06P4054
Price: $71.58
31P9122 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 31P9122
Price: $71.58
89P5323 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 89P5323
Price: $113.34
39P9833 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 39P9833
Price: $113.34
33C7512 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Single Rank Memory Module
SKU: 33C7512
Price: $113.34
31P8864 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 31P8864
Price: $113.34
31P8860 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 31P8860
Price: $113.34
31P8656 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 31P8656
Price: $113.34
31P8133 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 31P8133
Price: $113.34
38L4787 - IBM 512MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 38L4787
Price: $113.34
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.