HP Memory 4GB (2 x 2GB) DDR2-667 SDRAM Memory Kit – 408853-B21

HP ORIGINAL (NOT THIRD PARTY), BRAND NEW FACTORY SEALED & RETAIL BOXED WITH THE FULL HP WARRANTY!!!

Overview

The HP 408853-B21 Memory Kit provides 4GB of total system memory through two 2GB DDR2 SDRAM modules. Designed for HP ProLiant servers and workstation platforms, this memory upgrade delivers reliable performance, enhanced system responsiveness, and improved multitasking capabilities.

As enterprise applications, virtualization environments, and storage workloads continue to grow, reliable memory becomes increasingly important. HP Original Memory is engineered to provide superior compatibility, stability, and performance while helping maintain maximum system uptime and productivity.

Operating at 667MHz, the HP 408853-B21 memory kit is an ideal upgrade solution for supported HP ProLiant G2, G5, and G6 server platforms.

Key Features

• Genuine HP Original Memory
• Total capacity of 4GB
• Includes 2 x 2GB memory modules
• DDR2 SDRAM technology
• 667MHz clock speed
• 240-pin DIMM design
• Enterprise-grade reliability
• Optimized for HP ProLiant servers
• Factory sealed packaging
• Backed by HP warranty

Technical Specifications

Brand: HP
Part Number: 408853-B21
Product Type: Memory Kit
Condition: Brand New

Memory Specifications

• Total Capacity: 4GB
• Module Size: 2GB
• Number of Modules: 2
• Memory Technology: DDR2 SDRAM
• Clock Speed: 667MHz
• Form Factor: 240-pin DIMM

HP Part Numbers

• 408853-B21
• 408853-B21#0D1
• 408853R-B21
• 408853R-B21#0D1
• 408853-S21
• 483401-B21
• 483401-B21#0D1
• 506732-B21
• RT713AV

Compatible HP Servers

HP ProLiant Blade Servers

• BL25p G2
• BL260c G5
• BL2x220c G5
• BL2x220c G5 Server A
• BL2x220c G5 Server B
• BL45p G2
• BL465c
• BL465c G5
• BL685c
• BL685c G5

HP ProLiant Rack Servers

• DL145 G3
• DL165 G5
• DL180 G5
• DL185 G5
• DL365
• DL365 Base
• DL365 Entry
• DL365 Performance
• DL365 G5
• DL365 G5 Base
• DL365 G5 Entry
• DL365 G5 Performance
• DL385 G2
• DL385 G2 Base
• DL385 G2 Entry
• DL385 G2 High Performance
• DL385 G5
• DL385 G5 Base
• DL385 G5 Carrier-Grade
• DL385 G5 Entry
• DL385 G5 Performance
• DL585 G2
• DL585 G2 Storage Server
• DL585 G5
• DL585 G5 High Performance
• DL785 G5
• SL165z G6

HP Workstations

xw2x220c Blade Workstation

Benefits of HP 408853-B21 Memory

• Improves server performance
• Enhances application responsiveness
• Supports virtualization workloads
• Increases multitasking efficiency
• Delivers reliable enterprise operation
• Optimized for HP server platforms
• Helps maximize system uptime
• Easy memory expansion solution

Ideal Use Cases

• Server memory upgrades
• Virtualized environments
• Business-critical applications
• Data center deployments
• Storage servers
• Database systems
• Enterprise computing workloads
• HP ProLiant infrastructure upgrades

Why Choose HP Original Memory

• Genuine HP-certified hardware
• Fully tested for compatibility
• Enterprise-grade reliability
• Designed for HP servers and workstations
• Consistent performance under demanding workloads
• High-quality manufacturing standards
• Backed by HP warranty support

FAQs

What is the total capacity of the HP 408853-B21 memory kit?
The kit provides a total memory capacity of 4GB using two 2GB modules.

What memory technology does this kit use?
It uses DDR2 SDRAM technology.

What is the memory speed?
The memory operates at 667MHz.

How many memory modules are included?
The kit includes 2 x 2GB memory modules.

Which HP servers support this memory kit?
It is compatible with a wide range of HP ProLiant G2, G3, G5, and G6 servers, including BL, DL, and SL series models.

Is this a genuine HP product?
Yes. The 408853-B21 is an original HP memory kit that comes factory sealed with a full HP warranty.