Axiom 500660-B21-AX 4GB DDR3-1066 ECC Registered RDIMM - PC3-8500240-pin Server Memory for HP ProLiant
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Product Features
Product Overview
The Axiom 500660-B21-AX is a 4GB DDR3-1066 ECC Registered RDIMM engineered for HP ProLiant server environments. This memory module delivers reliable performance with error-correcting code (ECC) and registered signal processing to maintain data integrity in demanding workloads. Built to the PC3-8500 standard, this 240-pin RDIMM operates at 1066 MHz, providing a balanced combination of capacity and speed for server memory expansion.
Its compatibility with multiple HP ProLiant G6 and G7 models makes it a versatile upgrade or replacement option for IT infrastructure. The module is designed for server-grade reliability, ensuring stable operation in data centers and enterprise settings where uptime is critical. With a 4GB capacity, it supports moderate server workloads, including file serving, web hosting, and application hosting, while the DDR3-1066 speed offers efficient data transfer rates.
This memory is a direct fit for HP ProLiant servers, offering a seamless upgrade path to enhance system performance without requiring extensive reconfiguration. The inclusion of ECC and registered features addresses common server memory challenges, such as data corruption and signal integrity issues in multi-DIMM setups. It is an ideal solution for IT professionals looking to extend the life of their existing server hardware with a reliable, compatible memory module.
Technical Overview
This module uses DDR3 SDRAM technology with a 1066 MHz clock speed, aligning with the DDR3-1066/PC3-8500 memory standard. The ECC feature automatically detects and corrects single-bit memory errors, reducing system crashes and data corruption in server applications. Registered signal processing includes a register between the memory controller and DRAM chips, which improves signal integrity and allows for higher module densities in multi-DIMM configurations.
The 240-pin RDIMM form factor is standard for server memory, ensuring compatibility with HP ProLiant DIMM slots. The module's physical design includes precise dimensions of 5.25" (133.35 mm) in length, 1.18" (30 mm) in width, and 0.16" (4 mm) in thickness, conforming to industry specifications for easy installation. With a weight of 18.1 grams, it adds minimal load to server chassis while maintaining robust construction for long-term durability.
Technical specifications highlight the module's focus on server-grade performance. The 4GB capacity supports memory-intensive tasks, while the 1066 MHz speed ensures responsive data handling. ECC and registered processing work together to enhance reliability, making this module suitable for 24/7 server operations where data accuracy and system stability are paramount.
Key Product Advantages
This RDIMM offers server-grade reliability with features tailored for HP ProLiant systems. The combination of ECC and registered design ensures data accuracy and system stability, which is critical for business continuity and server uptime.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Error Correction, Server Compatibility.
Error Correction
ECC memory detects and corrects single-bit errors, preventing data corruption and reducing the risk of system failures in 24/7 server environments.
- Reduces crash risks
- Maintains data integrity
Server Compatibility
Specifically validated for HP ProLiant G6 and G7 servers, including DL380, DL360, ML150, ML370, BL280c, SL170z, DL120, DL320, SL2x170z, and BL2x220c models.
- Wide model support
- Direct replacement
Deployment / Use Cases
This memory module is ideal for expanding or replacing RAM in HP ProLiant servers used in data centers, enterprise IT environments, and virtualization hosts. Its 4GB capacity and 1066 MHz speed support moderate workloads such as file serving, web hosting, and application servers.
Use cases include upgrading existing ProLiant G6/G7 servers to improve multitasking capabilities, replacing failed modules in RAID configurations, or building out memory banks for hypervisor platforms like VMware ESXi or Microsoft Hyper-V. The registered design is particularly suited for systems with multiple DIMMs per channel.
Server Upgrades
Increase memory capacity in HP ProLiant servers to handle more virtual machines, database queries, or concurrent user sessions without performance degradation.
Hardware Refresh
Replace aging or faulty memory modules in legacy ProLiant systems to extend their service life and maintain reliability without full server replacement.
Physical Profile
The module measures 5.25" (133.35 mm) in length, 1.18" (30 mm) in width, and 0.16" (4 mm) in thickness, conforming to the standard RDIMM form factor for server memory. Its lightweight design at 18.1 grams ensures easy installation in server DIMM slots without adding significant weight to the chassis. The compact dimensions allow for efficient use of space within server racks, supporting high-density deployments in data center environments.
The physical profile is designed for durability and compatibility, with a 240-pin interface that aligns precisely with HP ProLiant server memory slots. The slim 0.16" thickness facilitates cooling and airflow in tightly packed server configurations, contributing to overall system thermal management. These characteristics make the module a practical choice for IT professionals who need reliable memory that fits seamlessly into existing server infrastructure without requiring modifications.
- Width
- 1.18" (30 mm)
- Weight
- 18.1 g
- Length
- 5.25" (133.35 mm)
Highlights
- 4GB DDR3-1066 memory for HP ProLiant server upgrades
- ECC error checking corrects single-bit errors to prevent data corruption
- Registered signal processing improves stability in multi-DIMM configurations
- PC3-8500 standard compliant with 240-pin RDIMM form factor
- Compatible with HP ProLiant DL380 G6/G7, DL360 G6/G7, ML150 G6, ML370 G6, and other G6/G7 models
- Lifetime warranty for long-term reliability and support
- 1066 MHz speed balances performance and power efficiency
- Lightweight design at 18.1 grams for easy server installation
Specifications
| Specifications | |
|---|---|
| Manufacturer | Axiom Memory Solutions |
| Manufacturer Part Number | 500660-B21-AX |
| Brand Name | Axiom |
| Product Name | 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 4 GB |
| Memory Technology | DDR3 SDRAM |
| Memory Speed | 1066 MHz |
| Memory Standard | DDR3-1066/PC3-8500 |
| Error Checking | ECC |
| Signal Processing | Registered |
| Physical Characteristics | |
| Number of Pins | 240-pin |
| Form Factor | RDIMM |
| Thickness | 0.16" (4 mm) |
| Width | 1.18" (30 mm) |
| Length | 5.25" (133.35 mm) |
| Weight (Approximate) | 18.1 g |
| Miscellaneous | |
| Compatibility | HP-Compaq - ProLiant DL380 G6 HP-Compaq - ProLiant DL360 G6 HP-Compaq - ProLiant ML150 G6 HP-Compaq - ProLiant ML370 G6 HP-Compaq - ProLiant BL280c G6 HP-Compaq - ProLiant SL170z G6 HP-Compaq - ProLiant DL380 G7 HP-Compaq - ProLiant DL360 G7 HP-Compaq - ProLiant DL120 G6 HP-Compaq - ProLiant DL320 G6 HP-Compaq - ProLiant SL2x170z G6 HP-Compaq - ProLiant BL2x220c G6 |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What processor does this product use?
Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 - 4 GB - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - ECC - Registered - - - (500660-B21-AX) is positioned around the processor configuration shown in the , giving buyers a clearer view of expected performance for business workloads and everyday deployment needs.
How much memory is installed?
It includes DDR3 SDRAM of memory to support responsive multitasking and daily workloads.
What storage is included?
Storage details for Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 - 4 GB - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - ECC - Registered - - - (500660-B21-AX) are intended to support operating system files, applications, and day-to-day business data while keeping the platform aligned with practical deployment expectations.
What graphics or display support is listed?
Display-related specifications help position Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 - 4 GB - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - ECC - Registered - - - (500660-B21-AX) for the kind of viewing experience, readability, and workspace fit buyers may expect in hardware & parts/components & hardware/ram modules deployments.
What connectivity options are available?
Connectivity details help confirm how Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 - 4 GB - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - ECC - Registered - - - (500660-B21-AX) can integrate with your network, accessories, and surrounding peripherals before rollout or replacement planning.
What operating system or platform is included?
Axiom 4GB Low Power DDR3-1066 ECC RDIMM for HP - 500660-B21 - 4 GB - DDR3-1066/PC3-8500 DDR3 SDRAM - 1066 MHz - ECC - Registered - - - (500660-B21-AX) is described for practical deployment use, and the specification set helps buyers confirm fit, compatibility, and expected day-to-day operation.
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