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Green DDR4 RDIMM circuit board with black memory chips and gold edge connectors

Brute Networks

Brute Networks 803665-B21 8GB DDR4-2133 ECC Registered RDIMM 1Rx4 CL15 1.2V 288-Pin

SKU CH-H7R1-RJRNJ

HP-compatible 8GB DDR4-2133 ECC registered RDIMM, part 803665-B21, CL15 1.2V 1Rx4 for server upgrades

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • ECC protection prevents data corruption with registered design
  • DDR4-2133 speed runs server workloads at 2133 MT/s
  • 2 V operation reduces power draw per module
  • 1Rx4 rank layout fits dense memory configurations
  • HP 803665-B21 equivalent ensures 100% compatibility guarantee

HP-Compatible 8GB DDR4-2133 ECC RDIMM

This 8GB registered DDR4 module carries the HP 803665-B21 equivalent specification and runs at 2133 MT/s with CL15 latency. It is built for administrators who need to expand memory capacity in compatible HP ProLiant or Apollo servers without replacing the platform.

Registered ECC with 1Rx4 organisation

The single-rank 1Rx4 layout and registered buffer reduce electrical load on the memory controller, allowing higher total capacity per channel while ECC corrects single-bit errors to protect data integrity in production workloads.

1.2 V standard voltage keeps thermals low

Operating at the JEDEC 1.20 V level, the module draws minimal power and generates little heat under normal server loads, contributing to quiet, stable operation in densely populated DIMM slots.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $56.99
Cheaper than about 82% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $7.12 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

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Specifications

Product
Brand nameHP
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Power
Rated voltage1.2 V

Questions about this item

What does the 2133 MHz rating mean once the module is installed in a server?

The module will run at up to 2133 MT/s, delivering a peak bandwidth of 17000 MB/s per stick when the platform supports that speed.

How does the DDR4 PC4-17000 interface limit real-world throughput?

The PC4-17000 standard caps the data rate at 2133 MT/s, so maximum theoretical bandwidth per module is 17000 MB/s regardless of CPU capability.

What physical slot and keying does this 288-pin RDIMM require?

It fits a standard DDR4 288-pin RDIMM socket with the registered DIMM key notch; it will not fit UDIMM or LRDIMM slots.

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