Replacement for MEM2811-512D: Drop-In Alternatives We Stock
Looking for a replacement for the MEM2811-512D (MEM2811-512D - Cisco 512MB DDR-333MHz PC2700 ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module)? Pro Disk Network ships Cisco 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 MEM2811-512D
| SKU | MEM2811-512D |
|---|---|
| Product | MEM2811-512D - Cisco 512MB DDR-333MHz PC2700 ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module |
| Current price | $188.01 |
| Stock status | In Stock |
| Detail page | View MEM2811-512D › |
Drop-in replacements for MEM2811-512D
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.
15-9381-01 - Cisco 512MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 15-9381-01
Price: $137.68
MEM3800-256U768D - Cisco 512MB DDR-333MHz PC2700 ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module
SKU: MEM3800-256U768D
Price: $188.01
15-9164-01-1 - Cisco 256MB DDR-333MHz PC2700 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 15-9164-01-1
Price: $128.18
15-9164-01 - Cisco 256MB DDR-333MHz PC2700 ECC Unbuffered CL2 184-Pin DIMM 2.5V Memory Module
SKU: 15-9164-01
Price: $128.18
15-9045-01 - Cisco 512MB DDR-266MHz PC2100 ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: 15-9045-01
Price: $145.70
ASA5505-MEM-512 - Cisco 512MB DDR-400 MHz PC-3200 Non-ECC Unbuffered CL3 184-Pin DIMM Memory Module
SKU: ASA5505-MEM-512
Price: $248.97
MEM2811-256U768D - Cisco 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module Upgrade
SKU: MEM2811-256U768D
Price: $137.68
15-8294-01 - Cisco 256MB DDR-266MHz PC2100 ECC Unbuffered 200-Pin SoDimm Memory Module
SKU: 15-8294-01
Price: $156.18
15-102104-01 - Cisco 16GB DDR-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Dual Rank Memory Module
SKU: 15-102104-01
Price: $123.88
Cisco UCS-MR-1X162RYA 16GB DDR-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Dual Rank Memory Module
SKU: UCS-MR-1X162RYA
Price: $123.88
A02-M320GB1-L - Cisco 16GB DDR-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Dual Rank Memory Module
SKU: A02-M320GB1-L
Price: $125.22
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.