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Name:

726719-B21

Description:
HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001
Rating:
4.4(5)

Added to cart 28 times recently

Availability:

2 In stock - Ready to Ship

Brand:
Hpe
Condition:
Warranty:
3
List Price:

$1,278.72

Price:

$216.0083.1% off

Quantity:

1
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Related:

815100-B21

862974-B21

838079-B21

838083-B21

P00930-B21

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726719-b21 hp 16gb 2rx4 pc4-2133p-r dimm spare 774172-001

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726719-B21

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HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001

$1,278.72 $216.0083.1% off

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726719-B21 Overview

726719-B21 is a high performance DDR4 DIMM designed to deliver reliable operation at 3200 MHz with a low CL16 latency while operating at 1.35V. This module comes as part of a 16 GB kit arranged in a Dual Channel configuration, offering optimized performance for desktop and workstation builds.

726719-B21 is a non‐ECC, unbuffered memory module engineered with an integrated heatspreader for superior thermal management. With its streamlined design and absence of RGB lighting, it is ideally suited for gaming and workstation systems where balanced performance and stability are paramount.

726719-B21 price is $216.00, a 83.1% saving from the Hpe list price of $1,278.72. 726719-B21 is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for 726719-B21 for additional pricing. Browse the full Hpe Memory & Ram series or explore all Hpe products.

726719-B21 Specifications

Product Type
Computer Memory
Brand
Hpe
Memory Type
DDR4
Capacity
16 GB
Compatible Platforms
Desktop
Compatible Systems
Workstation
Form Factor
UDIMM
Kit Configuration
Dual Channel
Speed
3200 MHz
Reliability Rating
Standard
CAS Latency (CL)
CL16
Voltage
1.35V
ECC Support
No
Registered/Buffered
Unbuffered
XMP Support
Intel XMP 2.0
RGB Lighting
No
Heatsink / Heatspreader
Yes
Use Case
Gaming / Workstation
Product Name
726719-B21 Memory Module
Height
1.2 inches
Width
5.3 inches
Depth
0.5 inches
Weight
0.25 lbs

726719-B21 Use Case

Enterprise Virtualization Host Memory Expansion

In a mid-size enterprise data center running HP ProLiant DL380 Gen9 servers, IT administrators install the 726719-B21-HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001 modules to scale host memory from 128GB to 256GB. This upgrade supports 20 additional VMware vSphere virtual machines with consistent performance. Benefit: Increases virtualization density by 40%, reduces memory contention and lowers cost per VM.

High-Performance SQL In-Memory Analytics

A financial services firm powering Microsoft SQL Server on HP ProLiant DL360 Gen10 adds 726719-B21-HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001 modules to expand system memory to 192GB. This configuration delivers 30% faster query response times for real-time risk analysis and reporting. Benefit: Accelerates in-memory analytics workflows and drives faster, data-driven decisions.

HPC Cluster Compute Acceleration

A research institution upgrades its HPC cluster nodes with 726719-B21-HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001 to boost DDR4 memory capacity—enabling larger simulation datasets and parallel processing. Results show a 15% reduction in scientific computing runtimes and higher job throughput. Benefit: Shortens project timelines and maximizes resource utilization.

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Product Comparison Table

HP 16GB 2RX4 PC4-2133P-R DIMM SPARE 774172-001726719-B21HPE 8GB 1Rx8 PC4-2400T-E STND Kit862974-B21HPE 16GB 1Rx4 PC4-2666V-R Smart Kit838081-B21HP 32GB (1x32GB) Dual Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit728629-B21HPE 32GB (1x32GB) Dual Rank x4 DDR4-2933 CAS-21-21-21 Registered Smart Memory KitP00924-B21
Product TypeComputer MemoryComputer MemoryComputer MemoryComputer MemoryComputer Memory
Memory TypeDDR4DDR4DDR4DDR4DDR4
Capacity16 GB16 GB8 GB16 GB16 GB
Compatible PlatformsDesktopDesktop / Laptop / ServerDesktopDesktopDesktop
Form FactorUDIMMUDIMMUDIMMUDIMMUDIMM
Kit ConfigurationDual ChannelDual ChannelSingle ChannelDual ChannelDual Channel
Speed3200 MHz3200 MHz3200 MHz3200 MHz3200 MHz
Reliability RatingStandardStandardStandardStandardStandard
CAS Latency (CL)CL16CL16CL16CL16CL16
Voltage1.35V1.35V1.35V1.35V1.35V
ECC SupportNoNoNoNoNo
Registered/BufferedUnbufferedUnbufferedUnbufferedUnbufferedUnbuffered
XMP SupportIntel XMP 2.0Intel XMP 2.0Intel XMP 2.0Intel XMP 2.0Intel XMP 2.0
RGB LightingNoNoNoNoNo
Heatsink / HeatspreaderYesYesYesYesYes
Use CaseGaming / WorkstationGamingGamingGamingGaming / Workstation
Product Name726719-B21 Memory Module862974-B21 Memory Module838081-B21 DDR4 8GB UDIMM 3200MHz CL16 Memory Module728629-B21 DDR4 High Performance MemoryP00924-B21 High Performance DDR4 Memory Kit
Height1.2 inches1.2 inches1.2 inches1.5 inches1.2 inches
Width5.3 inches5.3 inches5.3 inches5.3 inches5.3 inches
Depth0.5 inches0.4 inches0.5 inches0.5 inches1.2 inches
Weight0.25 lbs0.26 lbs0.3 lbs0.3 lbs0.3 lbs

Compliance & Coverage

ISO 27001
ISO 45001
RoHS
REACH
FCC
CE
UKCA
VCCI
ISO 9001
ISO 14001

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Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.

Up to 3-Year Warranty Coverage

New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.

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If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.

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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.

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Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.

Fast Global Delivery

dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.

Reviews & Ratings

T
Trevor Simmons
4

Consistent DDR4 performance for servers.

A
Amna Yousuf
4

Easy installation and stable operation.

V
Viktor Horvat
5

Reliable memory kit.

S
Shahid Iqbal
4

No downtime issues.

G
Grace Lin
5

Meets requirements.

Questions & Answers

What is the HP 726719-B21 16GB 2Rx4 PC4-2133P-R DIMM spare 774172-001?

The HP 726719-B21 is a 16GB DDR4 ECC Registered server memory module (PC4-2133P-R, 2133MT/s) designed for HP ProLiant and BladeSystem servers.

Which HP servers are compatible with the 726719-B21 16GB DIMM?

This module is validated for HP ProLiant Gen9/Gen10 servers, including DL, ML, and BL families, and select HP BladeSystem c-Class servers.

What does PC4-2133P-R mean for this memory module?

PC4-2133P-R indicates DDR4 memory rated at 2133MT/s (PC4), SPD programmed for 2133MHz (P), and registered ECC (R) for server reliability.

What does 2Rx4 signify on the HP 16GB DIMM?

2Rx4 means the module uses two ranks of x4-bit DRAM chips, providing an optimal balance of performance and capacity in server systems.

Is the HP 726719-B21 DIMM ECC registered?

Yes, this module is ECC Registered (RDIMM) memory, delivering error correction for enhanced data integrity in mission-critical applications.

Can I mix HP 726719-B21 modules with other memory types?

Mixing different speed or type DIMMs is not recommended. For optimal performance, use identical HP 726719-B21 modules across all channels.

How do I install the HP 16GB DIMM spare 774172-001?

Power down the server, open the chassis, align the DIMM with the slot keyed notch, press firmly until both latches click, then reseat the cover.

Does this memory support XMP or overclocking profiles?

No, HP server DIMMs like 726719-B21 use JEDEC SPD profiles and do not support Intel XMP or manual overclocking.

What warranty covers the HP 726719-B21 memory module?

HP provides a limited lifetime warranty for this spare, covering defects in materials and workmanship when installed in supported systems.

How can I verify the authenticity of my HP spare 774172-001?

Check the serial number and spare part label on the module against HP’s official spare locator or use HP iLO to confirm installed DIMM details.

What is the maximum memory supported per slot using this DIMM?

Each slot supports up to 16GB per 726719-B21 module; system maximum depends on server model and total DIMM slots available.

Can I use the HP 16GB RDIMM in mixed capacity configurations?

Yes, but HP recommends balanced configurations with identical RDIMMs for best performance and to avoid potential boot or performance issues.

How do I optimize performance with HP 726719-B21 modules?

Populate memory channels evenly, use matched DIMMs, enable BIOS performance tuning settings, and ensure firmware is up to date.

Is this DIMM hot-swappable in HP servers?

No, RDIMMs are not hot-swappable. Power down the server before installing or replacing the HP 726719-B21 module.

Where can I purchase genuine HP spare 774172-001 memory?

Purchase from authorized HP resellers, the official HP Parts Store, or verified enterprise hardware distributors to ensure authenticity.

What are the power and thermal characteristics of this DIMM?

Each 16GB DDR4 PC4-2133P-R DIMM operates at 1.2V with typical idle power around 1.5W and maximum power under load up to 3.6W.

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