AddOn
MEM2851-256U512D-AO AddOn Cisco MEM2851-256U512D Compatible 256MB Factory Original DRAM
Mfg Part Number: MEM2851-256U512D-AO , Item #: 974145
Image may not reflect the actual item.
Price: $1,010.12
+ Free Shipping
Quantity:
More to Come
Last Updated: Jan 21, 2026
No Sales Tax except these states
, PO and Wire.
This Cisco MEM2851-256U512D compatible 256MB DDR-333MHz dual rank ECC 2.5V 184-pin CL2.5 factory original DRAM 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 | MEM2851-256U512D-AO |
| Manufacturer Website Address | http://www.addoncomputer.com |
| Brand Name | AddOn |
| Product Name | RAM Module |
| Packaged Quantity | 1 Piece |
| Package Type | OEM |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 256 MB |
| Memory Technology | DDR DRAM |
| Memory Voltage | 2.50 V |
| Number of Modules | 1 x 256MB |
| Memory Speed | 333 MHz |
| Memory Standard | DDR-333/PC-2664 |
| Memory Rank | Dual-rank |
| Error Checking | ECC |
| Signal Processing | Unregistered |
| CAS Latency | CL2.5 |
| Device Supported | Server |
| Physical Characteristics | |
| Number of Pins | 184-pin |
| Form Factor | DIMM |
| Thickness | 500 mil |
| Width | 2" |
| Length | 6.5" |
| Weight (Approximate) | 8 oz |
| Miscellaneous | |
| Compatibility | Cisco Router 2851 |
| 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
