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Home / HP / Server RAM / HP 376638-B21

HP 376638-B21 1GB 400MHz ECC DDR Memory

Part Number: 376638-B21     Brand: HP
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Condition
Quantity

HP 376638-B21 Product Specs

▲
Brand
HP
Capacity
1GB
Memory Speed
400MHz
Data Integrity Check
ECC
Voltage
2.5v
Rank
2Rx4
Latency Timing
CL3
Pins
184 Pin
Memory Technology
DDR
Memory Form Factor
DIMM

This HP Server RAM 376638-B21 is compatible with these HP Servers

▲
Proliant BL25p
Proliant BL35p
Proliant BL45p

HP 376638-B21 Description

▼

The HP 376638-B21 1GB 400MHz ECC DDR Memory module is an ideal upgrade or replacement for a variety of HP ProLiant servers, including the ProLiant DX, DL, ML, SL, BL, XL, and CL series. Designed to enhance your server’s performance and reliability, this memory module supports error-correcting code (ECC) technology, which helps detect and correct data corruption, ensuring system stability—an essential feature for critical business applications and data centers.

This 1GB DDR memory operates at 400MHz with a 2.5V power requirement, making it compatible with a broad range of HP server configurations. Its 184-pin DIMM form factor and 2Rx4 rank provide a balanced combination of speed and capacity, while the CAS latency of CL3 ensures efficient data access times. Whether you are upgrading existing server memory or replacing faulty modules, the HP 376638-B21 is a reliable choice to maintain optimal server operation.

Key specifications of the HP 376638-B21 memory module include:

  • Brand: HP
  • Capacity: 1GB
  • Memory Speed: 400MHz
  • Data Integrity Check: ECC (Error-Correcting Code)
  • Voltage: 2.5V
  • Rank: 2Rx4
  • Latency Timing: CL3
  • Pins: 184 Pin
  • Memory Technology: DDR
  • Memory Form Factor: DIMM

For your convenience, compatible spare parts include the following:

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ⓘ We found 3 subs for the HP 376638-B21
100% Match
HP 416106-001 1GB 400MHz 1Rx4 184 Pin ECC DDR Memory
✓ Memory Technology: DDR
✓ Capacity: 1GB
✓ Brand: HP
✓ Voltage: 2.5v
✓ Pins: 184 Pin
✓ ECC: ECC
✓ CAS Latency: CL3
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 400MHz
90% Match
HP 376639-B21 2GB 400MHz 2Rx4 184 Pin ECC DDR Memory
✓ Memory Technology: DDR
✓ Capacity: 2GB
✓ Brand: HP
✓ Pins: 184 Pin
✓ ECC: ECC
✓ CAS Latency: CL3
✕ Voltage: 2.5v
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 400MHz

Customer Reviews

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289 reviews
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1
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Gary B.
2025-06-12
✓ Verified Buyer
★★★★★
The sales guy at Boost Hardware was super knowledgeable. He helped me find the right part for my older Proliant server.
E
Even P.
2025-04-09
✓ Verified Buyer
★★★★★
We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund.
M
Matthew S.
2025-04-08
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Good purchasing experience.
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Aaron P.
2025-04-04
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The refurbished drives we ordered were in perfect condition.
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Mitch F.
2025-04-04
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BoostHardware always has what I need at reasonable prices.
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2025-03-28
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Louis J.
2025-03-26
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2025-03-25
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Excellent personal service, thanks Scott!
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Lindsay M.
2025-03-21
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Good price on the drives we needed.

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Availability

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