Replacement for 1818-8504: Drop-In Alternatives We Stock
Looking for a replacement for the 1818-8504 (1818-8504 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm Memory Module)? Pro Disk Network ships HP 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 1818-8504
| SKU | 1818-8504 |
|---|---|
| Product | 1818-8504 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm Memory Module |
| Current price | $263.30 |
| Stock status | In Stock |
| Detail page | View 1818-8504 › |
Drop-in replacements for 1818-8504
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.
1818-8503 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm Memory Module
SKU: 1818-8503
Price: $263.30
1818-8635 - HP 256MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDIMM Memory Module
SKU: 1818-8635
Price: $128.95
1818-8505 - HP 64MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm Memory Module
SKU: 1818-8505
Price: $231.71
1818-7549 - HP 128MB 66MHz PC66 non-ECC Unbuffered CL2 144-Pin SoDimm Memory Module
SKU: 1818-7549
Price: $83.88
1818-8719 - HP 128MB 133MHz PC133 ECC Unbuffered CL3 168-Pin DIMM Memory Module
SKU: 1818-8719
Price: $118.99
1818-8150 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 168-Pin Memory Module
SKU: 1818-8150
Price: $147.09
232448-B21N - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm 3.3V Memory Module
SKU: 232448-B21N
Price: $263.30
231141-B21 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm Memory Module for EVO N180 / N400c / N410c / N600 Notebook PCs
SKU: 231141-B21
Price: $263.30
251361-001N - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm 3.3V Memory Module
SKU: 251361-001N
Price: $263.30
253941-001 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm 3.3V Memory Module
SKU: 253941-001
Price: $263.30
F1660-69104 - HP 128MB 133MHz PC133 non-ECC Unbuffered CL3 144-Pin SoDimm 3.3V Memory Module
SKU: F1660-69104
Price: $263.30
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.