AddOn
VH638AT-AA AddOn HP VH638AT Compatible 4GB DDR3-1333MHz Unbuffered Dual Rank 1.5V 240-pin CL9 UDIMM
Mfg Part Number: VH638AT-AA , Item #: 1839437
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Price: $130.97
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Quantity:
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Last Updated: Sep 14, 2025
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This HP® VH638AT compatible 4GB DDR3-1333MHz Dual Rank X8 Unbuffered 1.5V 240-pin CL9 UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.
Main Specification
| General Information | |
| Manufacturer | AddOn |
| Manufacturer Part Number | VH638AT-AA |
| Manufacturer Website Address | http://www.addoncomputer.com |
| Brand Name | AddOn |
| Product Model | VH638AT-AA |
| Product Name | 4GB DDR3 SDRAM Memory Module |
| Packaged Quantity | 1 |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 4 GB |
| Memory Technology | DDR3 SDRAM |
| Memory Voltage | 1.50 V |
| Number of Modules | 1 x 4GB |
| Memory Speed | 1333 MHz |
| Memory Standard | DDR3-1333/PC3-10600 |
| Memory Rank | Dual-rank |
| Error Checking | Non-ECC |
| Signal Processing | Unbuffered |
| CAS Latency | CL9 |
| Device Supported | Desktop PC |
| Physical Characteristics | |
| Number of Pins | 240-pin |
| Form Factor | DIMM |
| Thickness | 500 mil |
| Width | 2" |
| Length | 6.5" |
| Weight (Approximate) | 8 oz |
| Miscellaneous | |
| Compatibility |
|
| Country of Origin | China |
| 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
