Replacement for 311-1555: Drop-In Alternatives We Stock
Looking for a replacement for the 311-1555 (311-1555 - Dell 16GB Kit (16 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory)? Pro Disk Network ships Dell 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 311-1555
| SKU | 311-1555 |
|---|---|
| Product | 311-1555 - Dell 16GB Kit (16 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory |
| Current price | $143.09 |
| Stock status | In Stock |
| Detail page | View 311-1555 › |
Drop-in replacements for 311-1555
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.
311-3851 - Dell 16GB Kit (16 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory for PowerEdge 66X0
SKU: 311-3851
Price: $143.09
311-1572 - Dell 16GB Kit (16 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Dual Rank Memory
SKU: 311-1572
Price: $1,877.39
311-1568 - Dell 16GB Kit (16 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Dual Rank Memory
SKU: 311-1568
Price: $1,877.39
311-6599 - Dell 16GB Kit (8 X 2GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory
SKU: 311-6599
Price: $880.29
311-6430 - Dell 16GB Kit (8 X 2GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory
SKU: 311-6430
Price: $880.29
311-1621 - Dell 2GB Kit (2 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory
SKU: 311-1621
Price: $223.01
311-9829 - Dell 16GB Kit (16 X 1GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory
SKU: 311-9829
Price: $1,324.89
311-6606 - Dell 16GB Kit (16 X 1GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory
SKU: 311-6606
Price: $1,394.63
311-4586 - Dell 16GB Kit (16 X 1GB) DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM Single Rank Memory
SKU: 311-4586
Price: $1,394.63
311-7989 - Dell 16GB Kit (16 X 1GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory
SKU: 311-7989
Price: $1,811.03
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.