Replacement for 31R4280: Drop-In Alternatives We Stock
Looking for a replacement for the 31R4280 (31R4280 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank 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 31R4280
| SKU | 31R4280 |
|---|---|
| Product | 31R4280 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module |
| Current price | $113.82 |
| Stock status | In Stock |
| Detail page | View 31R4280 › |
Drop-in replacements for 31R4280
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.
33R4963 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM 2.5V Memory Module
SKU: 33R4963
Price: $113.82
77P4510 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 77P4510
Price: $113.82
41X3733 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Memory Module
SKU: 41X3733
Price: $113.82
41A1300 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Memory Module
SKU: 41A1300
Price: $113.82
73P2840 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 73P2840
Price: $113.82
41A2822 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 41A2822
Price: $113.82
41A2807 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 41A2807
Price: $113.82
40T4069 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 40T4069
Price: $113.82
40N5887 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 40N5887
Price: $113.82
38L4803 - IBM 1GB DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Dual Rank Memory Module
SKU: 38L4803
Price: $113.82
06P4058 - IBM 1GB PC3200 DDR-400MHz ECC Unbuffered CL3 184-Pin Memory Module
SKU: 06P4058
Price: $257.47
06P4051 - IBM 1GB PC3200 DDR-400MHz ECC Unbuffered CL3 184-Pin Memory Module
SKU: 06P4051
Price: $257.47
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.