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Green PCB DDR4 RDIMM with black heat spreader and gold contacts

A-Tech

A-Tech 16GB DDR4 2400MHz ECC RDIMM 2Rx4 server RAM

SKU CH-CZCV-Q3D1A

16 GB DDR4 ECC registered server memory module running at 2400 MHz with CL17 latency and 1.2 V operation

  • Capacity16GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16 GB capacity expands server memory headroom
  • DDR4 2400 MHz speed supports high-throughput workloads
  • ECC RDIMM design detects and corrects data errors
  • Registered 2Rx4 architecture reduces electrical load on the memory bus
  • Compatible replacement for HP part numbers including 836220-B21 and 862928-B21

16 GB DDR4 2400 ECC RDIMM

This 16 GB DDR4 2400 MHz module is a registered ECC DIMM built for server and workstation platforms. It runs at 1.20 V with a CL17 latency and uses a 2Rx4 organisation on a 288-pin form factor. The part is supplied new and matches HP part numbers including 809081-081 and 836220-B21.

Suited for capacity upgrades in qualified HP servers

The module fits systems that require registered ECC DDR4 2400 memory and accept the listed HP part numbers. It is not suitable for desktop boards that take only unbuffered non-ECC DIMMs, nor for platforms that demand higher speeds or different voltages. Buyers who need more than 16 GB per slot or a different data rate should look elsewhere.

2Rx4 registered ECC at 2400 MHz

The single decisive specification is the 2Rx4 registered ECC configuration running at DDR4 2400. This combination determines whether the module will be accepted by the memory controller and whether ECC functions will operate. Verify the system’s qualified-vendor list against the HP part numbers before ordering.

Points forts

  • 16 GB capacity expands server memory headroom
  • DDR4 2400 MHz speed supports high-throughput workloads
  • ECC RDIMM design detects and corrects data errors
  • Registered 2Rx4 architecture reduces electrical load on the memory bus
  • Compatible replacement for HP part numbers including 836220-B21 and 862928-B21

Caractéristiques

BrandA-Tech
Capacity16GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

What speed does the DDR4 2400 PC4-19200 interface actually run at in a server?

The module operates at 2400 MHz with a PC4-19200 data rate, delivering 19200 MB/s bandwidth when the platform supports that speed.

Will this 288-pin RDIMM fit my HP server's DIMM slots?

Yes, the 288-pin DDR4 DIMM form factor matches the registered DIMM slots used by the listed HP part numbers such as 836220-B21 and 862928-B21.

How do I install this ECC RDIMM and what step is often missed?

Power down the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both side clips lock, then verify in BIOS that ECC and registered mode are enabled.

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