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Home / HP / Server RAM / HP P43331-B21

HP P43331-B21 64GB 800MHz 2Rx4 288 Pin ECC DDR5 Memory

Part Number: P43331-B21     Brand: HP
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P43331-B21 Price

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$3,374.00 $3,410.50
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Condition
Quantity

HP P43331-B21 Specs

▲
Brand
HP
Capacity
64GB
Memory Speed
800MHz
Data Integrity Check
ECC
Voltage
1.1v
Rank
2Rx4
Latency Timing
CL40
Pins
288 Pin
Memory Technology
DDR5
Memory Form Factor
RDIMM
HPE Server Generations
Gen 11

About HP P43331-B21

▲

HP P43331-B21 is a 64GB DDR5 server memory module for HPE ProLiant Gen11 servers and selected enterprise server platforms. It is supplied as one 64GB module and uses the RDIMM form factor with a 288-pin layout.

This ECC registered memory operates at DDR5-4800, also known as PC5-38400, with dual-rank 2Rx4 organization, CL40 timing (40-39-39), and 1.1V voltage. It is identified as EC8 Registered Smart Memory for supported HPE server configurations.

This HP Server RAM P43331-B21 is compatible with these HP Servers

▲
ProLiant DL320
ProLiant DL360
ProLiant DL380

HP P43331-B21 Description

▼

Upgrade your server performance with the HP P43331-B21 64GB 800MHz 2Rx4 288 Pin ECC DDR5 Memory, designed specifically for a wide range of HPE ProLiant servers including ProLiant DX, DL, ML, SL, BL, XL, and CL models. This high-capacity memory module is ideal for data-intensive applications, virtualization, and enterprise workloads, ensuring your server runs smoothly and efficiently. Compatible with HPE Gen 11 server generations, it offers enhanced speed and reliability to meet the demands of modern IT environments.

Here are the key specifications that make this memory module a powerful addition to your server setup:

  • Brand: HP
  • Capacity: 64GB, providing substantial memory for multitasking and large datasets
  • Memory Speed: 800MHz, delivering fast data processing capabilities
  • Data Integrity Check: ECC (Error-Correcting Code) ensures data reliability and system stability
  • Voltage: 1.1V, optimized for energy-efficient performance
  • Rank: 2Rx4, supporting high-density memory configurations
  • Latency Timing: CL40, balancing speed and responsiveness
  • Pins: 288 Pin, compatible with DDR5 RDIMM slots
  • Memory Technology: DDR5, the latest generation for improved bandwidth and lower power consumption
  • Memory Form Factor: RDIMM (Registered DIMM), ideal for server-grade stability
  • HPE Server Generations: Gen 11, ensuring compatibility with the latest server hardware

For maintenance or replacement, the following spare part number corresponds to this memory module:

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ⓘ We found 21 subs for the HP P43331-B21
100% Match
HP 840758-091 32GB 2666MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP P56153-001 64GB 800MHz 2Rx4 288 Pin ECC DDR5 Memory
✓ Memory Technology: DDR5
✓ Capacity: 64GB
✓ Brand: HP
✓ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL40
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 800MHz
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HP 501538-001 16GB 1066MHz 4Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1066MHz
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HP P18450-B21 32GB 2933MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL21
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2933MHz
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HP P06189-001 32GB 2933MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL21
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2933MHz
100% Match
HP 850881-001 32GB 2666MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2666MHz
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HP 815100-B21 32GB 2666MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2666MHz
100% Match
HP 846740-001 16GB 2400Mhz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL17
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2400Mhz
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HP 836220-B21 16GB 2400Mhz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL17
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2400Mhz
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HP 809083-091 32GB 2400Mhz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL17
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 2400Mhz
100% Match
HP 500662-B21 8GB 1333MHz 2Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 1333MHz
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HP P43328-B21 32GB 800MHz 2Rx8 288 Pin ECC DDR5 Memory
✓ Memory Technology: DDR5
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL40
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 800MHz
98% Match
HP 805351-B21 32GB 2400Mhz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL17
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2400Mhz
+ Buffered/Registered: Non
98% Match
✓ Memory Technology: DDR2
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 1.8v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL5
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 667MHz
+ Buffered/Registered: Yes
90% Match
HP P50312-B21 64GB 800MHz 2Rx4 288 Pin ECC DDR5 Memory
✓ Memory Technology: DDR5
✓ Capacity: 64GB
✓ Brand: HP
✓ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✕ CAS Latency: CL40
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 800MHz
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HP P00924-B21 32GB 2933MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL21
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✕ Voltage: 1.1v
✓ Memory Speed: 2933MHz
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HP P03052-091 32GB 2933MHz 2Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL21
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✕ Voltage: 1.1v
✓ Memory Speed: 2933MHz
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HP 500666-B21 16GB 1066MHz 4Rx4 ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✕ Voltage: 1.1v
✓ Memory Speed: 1066MHz
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✓ Memory Technology: DDR5
✓ Capacity: 128GB
✓ Brand: HP
✓ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✕ CAS Latency: CL40
✓ Chipset: 4Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 800MHz
80% Match
HP P48502-001 64GB 2Rx4 288 Pin ECC DDR5 DIMM Memory
✓ Memory Technology: DDR5
✓ Capacity: 64GB
✓ Brand: HP
✓ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✕ CAS Latency: CL40
✓ Chipset: 2Rx4
✓ Memory Form Factor: RDIMM
✕ Memory Speed: 800MHz
78% Match
HP 397415-B21 8GB 667MHz 2Rx4 240 Pin ECC DDR2 Memory
✓ Memory Technology: DDR2
✓ Capacity: 8GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✕ CAS Latency: CL40
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✕ Voltage: 1.1v
✓ Memory Speed: 667MHz
+ Buffered/Registered: Yes

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The sales guy at Boost Hardware was super knowledgeable. He helped me find the right part for my older Proliant server.
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2025-04-09
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We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund.
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