Alternative to RD491I02: Better-Value Equivalents in Stock
Comparing the RD491I02 (RD491I02 - Centon 1GB DDR-266MHz PC2100 ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the RD491I02
| SKU | RD491I02 |
|---|---|
| Product | RD491I02 - Centon 1GB DDR-266MHz PC2100 ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module |
| Current price | $129.49 |
| Stock status | In Stock |
| Detail page | View RD491I02 › |
Alternatives to RD491I02
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.
RD608G09IT - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: RD608G09IT
Price: $82.95
CMP266PC1024.01 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: CMP266PC1024.01
Price: $82.95
CMP266PC1024.04 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: CMP266PC1024.04
Price: $82.95
CMP266PC1024.03 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: CMP266PC1024.03
Price: $82.95
CMP266PC1024.02 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: CMP266PC1024.02
Price: $82.95
RD608G09 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: RD608G09
Price: $82.95
RD608G14 - Centon 1GB DDR-266MHz PC2100 Non-ECC Unbuffered CL2.5 184-Pin UDIMM 2.5V Dual Rank Memory Module
SKU: RD608G14
Price: $82.95
Centon CMPC1G/REG266 1GB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM 2.5V Single Rank Memory Module
SKU: CMPC1G-REG266
Price: $86.58
JKXCX8SWB - Centon 1GB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM 2.5V Single Rank Memory Module
SKU: JKXCX8SWB
Price: $86.58
Centon CMB1G/RD266S 1GB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM 2.5V Single Rank Memory Module
SKU: CMB1G-RD266S
Price: $86.58
CMP266RD2048.01KIT2 - Centon 2GB Kit (2 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM 2.5V Single Rank Memory
SKU: CMP266RD2048.01KIT2
Price: $164.49
CMP266RD2048.01KIT2W - Centon 2GB Kit (2 X 1GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin RDIMM 2.5V Single Rank Memory
SKU: CMP266RD2048.01KIT2W
Price: $164.49
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.