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Home / HP / Server RAM / HP 187421-B21

HP 187421-B21 4GB 200MHz 2Rx4 184 Pin ECC DDR Memory

Part Number: 187421-B21     Brand: HP
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Condition
Quantity

HP 187421-B21 Product Specs

▲
Brand
HP
Capacity
4GB
Memory Speed
200MHz
Data Integrity Check
ECC
Voltage
2.5v
Rank
2Rx4
Latency Timing
CL2
Pins
184 Pin
Memory Technology
DDR
Memory Form Factor
DIMM

This HP Server RAM 187421-B21 is compatible with these HP Servers

▲
Proliant ML530
Proliant ML570

HP 187421-B21 Description

▼

The HP 187421-B21 4GB 200MHz 2Rx4 184 Pin ECC DDR Memory is a reliable and efficient memory module designed specifically for HP ProLiant servers. Ideal for enhancing server performance and stability, this memory is compatible with a wide range of ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series. Whether you're upgrading your existing server or replacing faulty memory, this module ensures seamless integration and optimal operation.

Key specifications of this memory module highlight its robust design and performance capabilities. With a 4GB capacity and a memory speed of 200MHz, it provides sufficient bandwidth for various server workloads. The ECC (Error-Correcting Code) feature ensures data integrity by detecting and correcting memory errors, which is crucial for mission-critical applications. Operating at a low voltage of 2.5V and featuring a 2Rx4 rank configuration, this DDR memory module balances power efficiency with reliable performance. The 184-pin DIMM form factor and a latency timing of CL2 make it compatible with supported server architectures.

  • Brand: HP
  • Capacity: 4GB
  • Memory Speed: 200MHz
  • Data Integrity Check: ECC
  • Voltage: 2.5V
  • Rank: 2Rx4
  • Latency Timing: CL2
  • Pins: 184 Pin
  • Memory Technology: DDR
  • Memory Form Factor: DIMM

For your convenience, here is a related spare part that complements the HP 187421-B21 memory module:

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ⓘ We found 2 subs for the HP 187421-B21
100% Match
HP 202172-B21 4GB 200MHz 184 Pin ECC DDR Memory
✓ Memory Technology: DDR
✓ Capacity: 4GB
✓ Brand: HP
✓ Voltage: 2.5v
✓ Pins: 184 Pin
✓ ECC: ECC
✓ CAS Latency: CL2
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 200MHz
0% Match
HP 187602-B21 Intel 1.00GHz 256( )?KB L2 L2 Cache PGA370 Processor
✓ Processor Speed: 1.00GHz
✓ CPU Socket Type: PGA370
✓ Brand: HP
✓ L2 Cache: 256( )?KB L2

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Gary B.
2025-06-12
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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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Even P.
2025-04-09
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