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Home / HP / Server RAM / HP 726722-B21

HP 726722-B21 32GB 2133MHz 4Rx4 ECC DDR4 Memory

Part Number: 726722-B21     Brand: HP
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726722-B21 Price

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$294.00 $295.95
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Condition
Quantity

HP 726722-B21 Specs

▲
Brand
HP
Capacity
32GB
Memory Speed
2133MHz
Data Integrity Check
ECC
Voltage
1.2v
Rank
4Rx4
Pins
288 Pin
Memory Technology
DDR4
Memory Form Factor
LRDIMM
HPE Server Generations
Gen 9

About HP 726722-B21

▲

HP 726722-B21 is a 32GB DDR4 server memory module for HPE ProLiant Gen9 servers. It is a load reduced DIMM (LRDIMM) with ECC for error detection and correction.

This 288-pin module operates at 2133MHz and 1.2V, with a 4Rx4 quad-rank design and CAS latency 15-15-15. It is also identified as DDR4-2133, PC4-17000, and PC4-2133P-L.

This HP Server RAM 726722-B21 is compatible with these HP Servers

▲
Proliant BL660c
Proliant DL120
Proliant DL160
Proliant DL180
Proliant DL360
Proliant DL380
Proliant DL388
Proliant DL560
Proliant DL580
Proliant DL60
Proliant DL80
Proliant ML350
Proliant XL170r
Proliant XL190r
Proliant XL230a
Proliant XL250a

HP 726722-B21 Description

▼

The HP 726722-B21 32GB 2133MHz 4Rx4 ECC DDR4 Memory module is designed to enhance the performance and reliability of your HPE ProLiant servers. Ideal for demanding enterprise environments, this memory module supports a wide range of ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series. Whether you're upgrading your Gen 9 servers or expanding memory capacity for virtualization, database management, or high-performance computing tasks, this DDR4 LRDIMM module delivers stable and efficient operation.

Key specifications of this memory module highlight its robust design and compatibility:

  • Brand: HP
  • Capacity: 32GB, providing ample memory for intensive workloads
  • Memory Speed: 2133MHz, ensuring fast data processing and transfer rates
  • Data Integrity Check: ECC (Error-Correcting Code) technology to detect and correct memory errors, enhancing system stability
  • Voltage: 1.2V, optimized for power efficiency
  • Rank: 4Rx4, indicating the memory organization for compatibility and performance
  • Pins: 288-pin configuration suitable for DDR4 slots
  • Memory Technology: DDR4, the latest generation of memory technology offering improved speed and efficiency over DDR3
  • Memory Form Factor: LRDIMM (Load-Reduced DIMM), which supports higher memory capacities and speeds
  • HPE Server Generations: Compatible with Gen 9 servers, ensuring seamless integration

For maintenance or replacement purposes, compatible spare part numbers include:

Upgrade your server’s memory with the HP 726722-B21 32GB 2133MHz 4Rx4 ECC DDR4 Memory module to achieve enhanced performance, reliability, and scalability for your critical business applications.

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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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"We were able to purchase 10x HP 782995-001 for 25% less than the next lowest price. Very impressed with the quick shipping and lack of issues."

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Everett M.
ⓘ We found 9 subs for the HP 726722-B21
98% Match
HP 774174-001 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 752372-081 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 726722-S21 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 752372-581 32GB 2133 MHz 4Rx4 288 Pin ECC DDR4 LRDIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 726722R-B21 32GB 2133MHz 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 814790-B21 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 803668-B21 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 839985-B21 32GB 2133MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz
98% Match
HP 726722-512 32GB 2133 MHz 4Rx4 288 Pin ECC DDR4 DIMM Memory
✓ Memory Technology: DDR4
✓ Capacity: 32GB
✓ Brand: HP
✓ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
+ CAS Latency: CL15
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2133MHz

Customer Reviews

4.8
★★★★★
289 reviews
94% recommend
5
(253)
4
(21)
3
(9)
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
✓ Verified Buyer
★★★★★
The refurbished drives we ordered were in perfect condition.
M
Mitch F.
2025-04-04
✓ Verified Buyer
★★★★★
BoostHardware always has what I need at reasonable prices.
D
David P.
2025-03-28
✓ Verified Buyer
★★★★★
Delivered on time.
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Louis J.
2025-03-26
✓ Verified Buyer
★★★★★
Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
D
Darryl P.
2025-03-25
✓ Verified Buyer
★★★★★
Excellent personal service, thanks Scott!
L
Lindsay M.
2025-03-21
✓ Verified Buyer
★★★★★
Good price on the drives we needed.

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