HPE 708639-B21 8GB Memory PC3-14900
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708639-B21 HPE 8GB 1866MHz PC3-14900 DDR3 SDRAM Ecc Bulk

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Part Number#: 708639-B21
List Price was: $451.16
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Short Description:
708639-B21 8GB 1 X 8GB 1866MHz PC3-14900 Cl13 Ecc Registered Dual Rank DDR3 SDRAM 240-PIN DIMM Genuine Memory For Proliant BL460C Generation 8 for Server | Made by HPE | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Overview of HPE 708639-B21 8GB DDR3 SDRAM

The HPE 708639-B21 is an 8GB DDR3 SDRAM that is designed for use in HPE Proliant BL460C Generation 8 servers. It is a genuine memory module manufactured by Hewlett Packard Enterprise (HPE) and has been specifically designed to meet the high-performance requirements of modern servers. The memory module has a 240-pin DIMM form factor, which is a common form factor for DDR3 SDRAM, and is rated for a clock speed of 1866MHz.

In this article, we will take an in-depth look at the features and specifications of the HPE 708639-B21 8GB DDR3 SDRAM, including its clock speed, capacity, and rank. We will also explore the benefits of using genuine memory in servers and the advantages of using ECC registered memory.

Clock Speed & Capacity

The clock speed of a memory module determines how quickly data can be transferred between the memory and the CPU. The HPE 708639-B21 has a clock speed of 1866MHz, which is the maximum speed supported by the Proliant BL460C Generation 8 servers. This clock speed provides a significant increase in data transfer rates over older DDR3 modules, which typically had clock speeds of 1333MHz or 1600MHz.

The HPE 708639-B21 has a capacity of 8GB, which is a common size for DDR3 memory modules. This capacity is sufficient for most server applications, but higher capacity modules are also available for applications that require more memory. The Proliant BL460C Generation 8 server supports a maximum of 384GB of memory, which can be achieved using 48 8GB modules.


The rank of a memory module refers to the number of independent sets of memory chips on the module. The HPE 708639-B21 is a dual rank module, which means that it has two independent sets of memory chips on the module. Dual rank modules are more efficient than single rank modules, as they can provide twice the bandwidth between the memory and the CPU. This makes the HPE 708639-B21 ideal for high-performance server applications that require large amounts of memory bandwidth.

ECC Registered Memory

The HPE 708639-B21 is an ECC registered memory module. ECC stands for Error Correction Code, which is a technology that detects and corrects errors that can occur during data transmission. Registered memory, on the other hand, is a type of memory that uses a register to buffer the control signals between the memory and the CPU. This helps to reduce electrical loading on the memory controller and allows for larger memory capacities.

ECC registered memory is essential for servers that require high levels of reliability and data integrity. It is particularly important in applications such as database management, financial transactions, and scientific computing, where even small errors can have significant consequences. By using ECC registered memory, the HPE Proliant BL460C Generation 8 server can detect and correct errors that can occur during data transmission, ensuring that data is always accurate and reliable.

Advantages of Genuine Memory

Using genuine memory in servers provides a number of advantages over using third-party or counterfeit memory modules. Genuine memory modules are manufactured to strict quality standards and are tested rigorously to ensure that they meet the specifications of the server manufacturer. This ensures that the memory module will operate reliably and efficiently in the server, minimizing the risk of downtime and data loss.

Third-party or counterfeit memory modules may be cheaper than genuine modules, but they often have lower quality standards and may not be compatible with the server. This can lead to compatibility issues, reduced performance, and increased risk of system failures.

Main Specification about the HPE 708639-B21

  • Manufacturer: HPE
  • Part Number or SKU# 708639-B21
  • Device Type: Memory (RAM)
  • RAM Type: PC3-14900
  • Product Name: 8GB DDR3 SDRAM Memory Module

Technical Information

  • Storage Capacity: 8GB
  • Memory Technology: DDR3 SDRAM
  • Number Of Modules: 1 X 8GB
  • Memory Speed: 1866MHZ DDR3-1866/PC3-14900
  • Data Integrity Check: Ecc
  • Features: Dual Rank, Registered
  • Cas Latency Timings: Cl13
  • Platform Support: HP Proliant

Physical Characteristics

  • Dimensions (W X D X H) : 8.89 X 19.81 X 1.91 Cm (3.5 X 7.8 X 0.75 In)
  • Weight: 0.45 Kg (1 Lb)


  • HPE Proliant Bl460c Gen8, Dl360p Gen8, Dl380p Gen8, Dl560 Gen8, Ml350p Gen8, Sl230s Gen8, Sl250s Gen8, Sl270s Gen8, Ws460c Gen8

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

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Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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