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Home / HP / Desktop RAM / HP 835804-B21

HP 835804-B21 128GB 2666MHz 1Rx4 288 Pin DDR4 Memory

Part Number: 835804-B21     Brand: HP
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835804-B21 HP Image

835804-B21 Price

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$244.00 $245.95
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Condition
Quantity

HP 835804-B21 Specs

▲
Brand
HP
Capacity
128GB
Memory Speed
2666MHz
Data Integrity Check
ECC
Rank
1Rx4
Latency Timing
CL19
Pins
288 Pin
Memory Technology
DDR4
Memory Form Factor
RDIMM
HPE Server Generations
Gen 9/Gen 4/Gen 3/Gen 10

About HP 835804-B21

▲

HP 835804-B21 is an Intel Optane 128GB persistent memory module for HPE systems. It is designed for use with select HPE ProLiant Gen10 servers equipped with second-generation Intel Xeon Scalable processors.

This module has 128GB capacity, 2666MHz speed, ECC data integrity checking, 1Rx4 rank, CL19 latency, and a 288-pin RDIMM form factor. It uses DDR4 memory technology and a DDR-T interface. Intel Optane persistent memory supports Memory Mode and App Direct Mode.

This HP Desktop RAM 835804-B21 is compatible with these HP Servers

▲
Proliant DL360
Proliant DL380
Proliant DL560
Proliant DL580
Proliant XL170r
Proliant XL190r

HP 835804-B21 Description

▼

The HP 835804-B21 128GB 2666MHz 1Rx4 288 Pin DDR4 Memory module is a high-performance RAM designed for seamless integration with a wide range of HPE ProLiant servers. Ideal for data centers, enterprise applications, and virtualization environments, this memory module ensures reliable and efficient operation. It is compatible with multiple ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series, making it a versatile choice for upgrading or expanding your server's memory capacity.

This memory module boasts impressive specifications that cater to demanding workloads. With a large capacity of 128GB and a fast memory speed of 2666MHz, it delivers excellent data throughput and responsiveness. The ECC (Error-Correcting Code) technology enhances data integrity by detecting and correcting memory errors, which is critical for mission-critical server environments. The 1Rx4 rank and CL19 latency timing provide a balanced performance profile, while the 288-pin RDIMM form factor ensures compatibility with supported server generations including Gen 3, Gen 4, Gen 9, and Gen 10.

  • Brand: HP
  • Capacity: 128GB
  • Memory Speed: 2666MHz
  • Data Integrity Check: ECC
  • Rank: 1Rx4
  • Latency Timing: CL19
  • Pins: 288 Pin
  • Memory Technology: DDR4
  • Memory Form Factor: RDIMM
  • HPE Server Generations: Gen 3 / Gen 4 / Gen 9 / Gen 10

For your convenience, here is a related spare part that complements this memory module:

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ⓘ We found 10 subs for the HP 835804-B21
100% Match
HP 815101-B21 64GB 2666MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 64GB
✓ Brand: HP
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2666MHz
98% Match
HP 844071-001 128GB 2666MHz 1Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 128GB
✓ Brand: HP
+ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 2666MHz
98% Match
HP P50310-B21 32GB 800MHz 1Rx4 288 Pin ECC DDR5 Memory
✓ Memory Technology: DDR5
✓ Capacity: 32GB
✓ Brand: HP
+ Voltage: 1.1v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL40
✓ Chipset: 1Rx4
✓ Memory Form Factor: RDIMM
✓ Memory Speed: 800MHz
98% Match
HP 850882-001 64GB 2666MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 64GB
✓ Brand: HP
+ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2666MHz
98% Match
HP 840759-091 64GB 2666MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 64GB
✓ Brand: HP
+ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2666MHz
98% Match
HP 840759-191 64GB 2666MHz 4Rx4 288 Pin ECC DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 64GB
✓ Brand: HP
+ Voltage: 1.2v
✓ Pins: 288 Pin
✓ ECC: ECC
✓ CAS Latency: CL19
✓ Chipset: 4Rx4
✓ Memory Form Factor: LRDIMM
✓ Memory Speed: 2666MHz
98% Match
HP 500670-B21 2GB 1333MHz 2Rx8 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 2GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 2Rx8
✓ Memory Form Factor: UDIMM
✓ Memory Speed: 1333MHz
+ Buffered/Registered: Non
96% Match
HP 500209-061 2GB 1333MHz 2Rx8 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 2GB
✓ Brand: HP
+ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL9
✓ Chipset: 2Rx8
✓ Memory Form Factor: UDIMM
✓ Memory Speed: 1333MHz
+ Buffered/Registered: Yes
77% Match
HP P12109-001 128GB 2666MHz 1Rx4 DDR4 Memory
✓ Memory Technology: DDR4
✓ Capacity: 128GB
✓ Brand: HP
✓ Pins: 288 Pin
✓ ECC: ECC
✕ CAS Latency: CL19
✓ Memory Form Factor: DIMM
✕ Chipset: 1Rx4
✓ Memory Speed: 2666MHz
0% Match
HPE P20248-B21

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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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2025-04-09
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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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2025-04-04
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The refurbished drives we ordered were in perfect condition.
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