HP 647895-B21 4GB Memory PC3-12800
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647895-B21 HP 4GB 1600MHz DDR3 SDRAM Ecc Registered Bulk

Availability: In Stock
Part Number#: 647895-B21
List Price was: $474.42
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Short Description:
647895-B21 4GB 1 X 4GB 1600MHz PC3-12800 Cl11 Single Rank Ecc Registered DDR3 SDRAM DIMM Genuine Memory Proliant for Server | Made by HP | New Bulk Pack
Brand:
HP
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the HP 647895-B21

The 647895-B21 4GB DDR3 SDRAM DIMM is a genuine memory module manufactured by HP, specifically designed for use in HP Proliant servers. It is a Single Rank Ecc Registered module with a memory speed of 1600MHz, and it has a CAS latency of CL11. In this article, we will provide a detailed explanation of the features and specifications of this memory module, including its compatibility, performance, and usage in HP Proliant servers.

DDR3 SDRAM DIMM

DDR3 stands for Double Data Rate 3, and it is a type of synchronous dynamic random access memory (SDRAM) used in computers and servers. DIMM stands for Dual In-Line Memory Module, and it is the most common form factor used for desktop and server memory modules.

The 647895-B21 4GB DDR3 SDRAM DIMM is a registered module, which means it has a register (or buffer) that helps to improve memory stability and performance. It is also ECC (Error-Correcting Code) registered, which adds an additional layer of data integrity and reliability by detecting and correcting errors in the memory.

Memory Capacity and Speed

The 647895-B21 memory module has a capacity of 4GB, which means it can store 4 gigabytes of data. This makes it suitable for various computing tasks, such as running multiple applications simultaneously, handling large databases, and processing complex calculations.

The memory speed of this module is 1600MHz, which refers to the maximum rate at which data can be transferred to and from the module. A higher memory speed generally results in better performance, as it allows for faster data access and retrieval. However, it's important to note that the memory speed is dependent on the capabilities of the server or computer system in which the memory module is installed. If the system does not support a memory speed of 1600MHz, the module will operate at the maximum supported speed of the system.

CAS Latency

CAS latency, also known as CL, is a measure of the delay between when a memory module receives a request for data and when it is able to provide that data. It is an important performance factor for memory modules, as lower CAS latency values indicate faster data access.

The 647895-B21 memory module has a CAS latency of CL11, which means it takes 11 clock cycles to provide requested data after receiving a request. While lower CAS latency values, such as CL9 or CL10, may offer slightly better performance, CL11 is still considered to be within the standard range for DDR3 memory modules.

Single Rank and Registered ECC

The 647895-B21 memory module is a Single Rank module, which means it has memory chips on only one side of the module. Single Rank modules are typically less expensive than Dual Rank modules, which have memory chips on both sides of the module, but they may have slightly lower performance in certain situations that require high memory bandwidth.

This memory module is also registered and ECC (Error-Correcting Code) enabled. A registered module has a register (or buffer) that helps to improve memory stability and performance by reducing the electrical load on the memory controller. ECC is a type of error correction technology that can detect and correct single-bit errors in the memory, helping to improve data integrity and system reliability.

Genuine HP Memory

The 647895-B21 memory module is manufactured by HP, a leading provider of computer hardware and technology solutions. Genuine HP memory modules are specifically designed and tested to ensure compatibility, reliability, and performance in HP Proliant servers.

General Information about the HP 647895-B21

  • Manufacturer: HP
  • Part Number or SKU# 647895-B21
  • Product Type: Memory (RAM)
  • RAM Type: PC3-12800
  • Product Name: 4GB DDR3 SDRAM Memory Module

Technical Information

  • Storage Capacity: 4GB
  • Memory Technology: DDR3 SDRAM
  • Number Of Modules: 1 X 4GB
  • Bus Speed: 1600mhz DDR3-1600/PC3-12800
  • Data Integrity Check: Ecc
  • Signal Processing: Registered
  • Cas Latency Timings: Cl11
  • Platform Support: Proliant Server

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)

Compatibility

  • Proprietary HP Proliant Server - Dl160 Gen8
  • Proprietary HP Proliant Server - Dl360e Gen8
  • Proprietary HP Proliant Server - Dl380e Gen8
  • Proprietary HP Proliant Server - Dl560 Gen8
  • Proprietary HP Proliant Server - Ml350e Gen8
  • Proprietary HP Proliant Server - Ml350p Gen8
  • Proprietary HP Proliant Server - Sl230 Gen8
  • Proprietary HP Proliant Server - Sl230s Gen8
  • Proprietary HP Proliant Server - Bl420c Gen8
  • Proprietary HP Proliant Server - Bl460c Gen8
  • Proprietary HP Proliant Server - Bl660c Gen8
  • Proprietary HP Proliant Server - 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.

Brand:
HP
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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Warranty

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Delivery

Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
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UPS 2nd Day Air®
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UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
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*For residential delivery via FedEx Ground use FedEx Home Delivery®
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FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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Available throughout all 50 states

FedEx First Overnight®
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Available throughout all 50 states


Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days


Important notes:

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