AddOn
MEM2821-256U1024D-AO AddOn Cisco MEM2821-256U1024D Compatible 2x512MB Factory Original DRAM
Mfg Part Number: MEM2821-256U1024D-AO , Item #: 974941
Image may not reflect the actual item.
Price: $1,189.35
+ Free Shipping
Quantity:
More to Come
Last Updated: Feb 24, 2026
No Sales Tax except these states
, PO and Wire.
This Cisco MEM2821-256U1024D compatible 1GB (2x512MB) DDR-333MHz ECC 2.5V 240-pin CL2.5 factory original DRAM kit is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.
Main Specification
| General Information | |
| Manufacturer | AddOn |
| Manufacturer Part Number | MEM2821-256U1024D-AO |
| Manufacturer Website Address | http://www.addoncomputer.com |
| Brand Name | AddOn |
| Product Model | MEM2821-256U1024D-AO |
| Product Name | RAM Module |
| Package Type | OEM |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 1 GB |
| Memory Technology | DDR DRAM |
| Memory Voltage | 2.50 V |
| Number of Modules | 2 x 512MB |
| Memory Speed | 333 MHz |
| Memory Standard | DDR-333/PC-2664 |
| Error Checking | ECC |
| Signal Processing | Unregistered |
| CAS Latency | CL2.5 |
| Device Supported | Server |
| Physical Characteristics | |
| Number of Pins | 240-pin |
| Thickness | 500 mil |
| Width | 2" |
| Length | 6.5" |
| Weight (Approximate) | 8 oz |
| Miscellaneous | |
| Compatibility | Cisco 2821 Router |
| Certifications & Standards | JEDEC Standards |
| Country of Origin | United States |
| TAA Compliant | No |
| Warranty | |
| Limited Warranty | Lifetime |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
