Home/Memory/Server Memory/HP AA656A 512MB DDR-266MHz RDIMM 1Rx4 CL2.5 Memory
HP AA656A 512MB DDR-266MHz RDIMM 1Rx4 CL2.5 Memory

Safe checkout

Secure payments

Fast dispatch

1–2 day handling

Free shipping

U.S. ground

Warranty & RMA

Support after delivery

HP AA656A 512MB DDR-266MHz RDIMM 1Rx4 CL2.5 Memory

SKU AA656A
Brand HP
  • PC/Server 0.5 GB DDR
  • 200-pin SO-DIMM 1 x 0.5 GB
  • ECC
In Stock
$72.00

Was $84.00 · You save $12.00

Key specifications

See full specs ↓
Internal memory
0.5 GB
Memory layout (modules x size)
1 x 0.5 GB
Internal memory type
DDR
Memory clock speed
266 MHz
Component for
PC/Server
Memory form factor
200-pin SO-DIMM

Product details

HP 512MB DDR-266. Component for: PC/Server, Internal memory: 0.5 GB, Memory layout (modules x size): 1 x 0.5 GB, Internal memory type: DDR, Memory clock speed: 266 MHz, Memory form factor: 200-pin SO-DIMM, ECC

Features

Internal memory0.5 GB
Memory layout (modules x size)1 x 0.5 GB
Internal memory typeDDR
Memory clock speed266 MHz
Component forPC/Server
Memory form factor200-pin SO-DIMM
ECCYes
Buffered memory typeRegistered (buffered)

Description

The HP AA656A is a 512MB Registered DIMM (RDIMM) memory module, specifically engineered for use in enterprise-level servers and high-performance workstations. RDIMMs are crucial in server environments as they include a register between the DRAM chips and the memory controller, which helps to reduce electrical load and improve signal integrity, allowing for higher memory capacities and speeds. This module operates at a DDR-266MHz frequency, also known as PC2100, providing a solid baseline for memory bandwidth in compatible systems. This memory module features a 1Rx4 configuration, indicating it is a single-rank module with four data bits accessed per memory chip. This configuration is common in server memory and contributes to efficient data transfer. The CAS Latency (CL) of 2.5 signifies the number of clock cycles required for the memory to respond to a column address command. Furthermore, the module supports ECC (Error-Correcting Code) functionality, which is vital for servers as it detects and corrects single-bit memory errors, preventing data corruption and system crashes, thereby enhancing overall system reliability and stability. Designed to meet the rigorous demands of enterprise computing, the HP AA656A memory module is suitable for a wide range of applications, including virtualization, database management, and complex scientific computations. Its compatibility with HP ProLiant servers and other systems that support DDR-266MHz RDIMMs makes it a reliable choice for memory upgrades or replacements, ensuring optimal performance and data integrity for critical business operations.

Condition: Refurbished

Free U.S. ground shipping

Typically 1–2 days handling, 3–7 days in transit.

Purchase orders accepted

Government, enterprise, data center and small business.

Warranty & RMA support

See warranty and returns.

Buying 10+ units?

Get volume pricing and availability for AA656A.

Questions about this part?

Compatibility, condition, lead times — ask a specialist.

(888) 988-8093

Related products

Loading related inventory…