HP

HP 647909-B21 8GB DDR3L-1333 ECC Unbuffered Memory

4.7 (2 reviews)

Upgrade Your Server with Reliable HP MemoryThe HP 8GB DDR3L-1333 Unbuffered Memory Kit provides a cost-effective way to increase the memory capacity of your server. This low-voltage memory module offers reliable performance and compatibility with HP systems. Specifications Brand: HP Part Numbe...

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Overview

Upgrade Your Server with Reliable HP Memory

The HP 8GB DDR3L-1333 Unbuffered Memory Kit provides a cost-effective way to increase the memory capacity of your server. This low-voltage memory module offers reliable performance and compatibility with HP systems.

Specifications

  • Brand: HP
  • Part Number: 647909-B21
  • Capacity: 8GB (1x8GB)
  • Memory Type: DDR3L-1333
  • Form Factor: Unbuffered DIMM (UDIMM)
  • Rank: Dual Rank x8
  • CAS Latency: CL9
  • Voltage: Low Voltage

Key Features

Product Type RAM Module

Memory Standard DDR3-1333/PC3-10600

Memory Technology DDR3 SDRAM

Specifications

Product Type
RAM Module
Capacity
8GB
Memory Standard
DDR3-1333/PC3-10600
Memory Technology
DDR3 SDRAM
Error Correction
ECC
Buffering
Unbuffered

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Pros & Cons

👍 Pros

  • Offers 8GB capacity, providing a significant upgrade for system memory.
  • Utilizes DDR3L technology, which is a low-voltage variant of DDR3, potentially saving power.
  • Operates at a speed of 1333MHz, offering reliable data transfer rates.
  • Features ECC (Error-Correcting Code) functionality, enhancing data integrity and system stability.
  • Designed as unbuffered memory, which can contribute to lower latency in certain server or workstation environments.
  • Complies with the PC3-10600 memory standard, ensuring compatibility with systems requiring this specification.
  • Suitable for systems that prioritize stability and error detection, like servers or specific professional workstations.
  • An efficient way to boost the multitasking capabilities of compatible systems.
  • Helps improve overall system responsiveness for applications that are memory-intensive.

👎 Cons

  • The DDR3L memory technology is older and not compatible with newer systems that use DDR4 or DDR5 RAM.
  • A speed of 1333MHz is relatively slow compared to modern memory modules, which can run at 2400MHz or higher.
  • The "Unbuffered" nature of this ECC memory means it's not compatible with systems requiring Registered (buffered) ECC memory.
  • This RAM is likely specific to certain HP server or workstation models, limiting its universal compatibility with other brands.
  • Only a single 8GB module is mentioned, so users needing more capacity or dual-channel benefits would need to purchase multiple units.

Frequently Asked Questions

The HP 647909-B21 is a DDR3 SDRAM RAM module, specifically designed as DDR3L (low voltage) memory.
This memory module provides a capacity of 8GB, suitable for upgrading or expanding system memory.
It operates at a speed of 1333MHz, conforming to the PC3-10600 memory standard.
Yes, it is ECC (Error-Correcting Code) memory, which helps detect and correct data errors, enhancing system reliability.
This HP 647909-B21 is an unbuffered memory module, which typically offers lower latency compared to buffered memory.
As an ECC unbuffered DDR3L module, it is compatible with specific servers and workstations that require this particular memory type and speed.