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Home / HP / Server RAM / HP P18444-B21

HP P18444-B21 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory

Part Number: P18444-B21     Brand: HP
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Condition
Quantity

HP P18444-B21 Product Specs

▲
Brand
HP
Capacity
16GB
Memory Speed
2666MHz
Data Integrity Check
ECC
Voltage
1.2v
Rank
2Rx8
Latency Timing
CL19
Pins
288 Pin
Memory Technology
DDR4
Memory Form Factor
RDIMM

HP P18444-B21 Description

▼

The HP P18444-B21 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory is an ideal upgrade or replacement module designed specifically for HP ProLiant servers. Perfect for enhancing server performance, this memory module supports a wide range of ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series. Whether you are running data-intensive applications, virtualization, or enterprise workloads, this 16GB RDIMM ensures reliable and efficient memory performance to keep your systems running smoothly.

Key specifications of this HP memory module highlight its robust design and compatibility. It features a 16GB capacity with a fast 2666MHz memory speed, ensuring quick data access and processing. The ECC (Error-Correcting Code) technology provides data integrity by detecting and correcting memory errors, which is critical for server environments. Operating at a low voltage of 1.2V, it balances performance with energy efficiency. The 2Rx8 rank and CL19 latency timing offer a good balance between speed and stability. With a standard 288-pin DDR4 RDIMM form factor, it fits seamlessly into supported HP ProLiant server motherboards.

  • Brand: HP
  • Capacity: 16GB
  • Memory Speed: 2666MHz
  • Data Integrity Check: ECC
  • Voltage: 1.2v
  • Rank: 2Rx8
  • Latency Timing: CL19
  • Pins: 288 Pin
  • Memory Technology: DDR4
  • Memory Form Factor: RDIMM

For your convenience, here are some compatible spare part numbers associated with this HP memory module, making it easier to find exact replacements or alternatives:

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ⓘ We found 9 subs for the HP P18444-B21
100% Match
HP 838089-B21 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP 840756-091 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP 840756-191 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP P08274-001 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP 840756-C91 16GB 2666 MHz 2Rx8 288 Pin ECC DDR4 RDIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP P02890-B21 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP P05588-B21 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
100% Match
HP 840756-V91 16GB 2666 MHz 2Rx8 288 Pin ECC DDR4 RDIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
98% Match
HP 870840-001 16GB 2666MHz 2Rx8 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 2Rx8
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
+ Buffered/Registered: Non

Customer Reviews

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289 reviews
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5
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4
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3
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2
(2)
1
(4)
G
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
✓ Verified Buyer
★★★★★
Good purchasing experience.
A
Aaron P.
2025-04-04
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★★★★★
The refurbished drives we ordered were in perfect condition.
M
Mitch F.
2025-04-04
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BoostHardware always has what I need at reasonable prices.
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David P.
2025-03-28
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Delivered on time.
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Louis J.
2025-03-26
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Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
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Darryl P.
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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