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Green rectangular circuit board with gold edge connectors and black memory chips

HPE

HP 836220-B21 16GB DDR4 2400 MHz Registered DIMM 288-pin

SKU CH-WB8E-X7R19

Registered 16 GB DDR4 DIMM running at 2400 MHz with 288 pins for server workloads

  • Registered design improves signal integrity for server stability
  • 16 GB capacity lets you run more virtual machines simultaneously
  • 2400 MHz DDR4 speed delivers high bandwidth for data-intensive workloads
  • 288-pin DIMM form factor fits standard server memory slots
  • Cost-effective upgrade path boosts throughput without processor replacement

HP 836220-B21 16GB DDR4 Registered DIMM

This 16GB DDR4 module is built for servers and workstations that require registered memory. It adds capacity to compatible platforms without needing a processor change. The 2400 MHz speed rating matches the specification for this part number. Buyers who need unbuffered desktop DIMMs or laptop SO-DIMMs cannot use this module.

288-pin registered DIMM installation

The stick fits a standard 288-pin DDR4 slot and the registered design places a buffer on the command bus. Systems that expect unbuffered memory will not post with this module installed. Verify the motherboard manual calls for registered DIMMs before fitting. Mixing registered and unbuffered DIMMs in the same channel is not supported.

16GB capacity at 2400 MHz

The single specification that decides fit is the 16GB density combined with a 2400 MHz registered DDR4 profile. If the platform demands a different density, speed or unbuffered operation this part will not work. Match the part number 836220-B21 to the vendor qualified list for the target server.

How it compares

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

Price $205.99
Pricier than about 69% of the 3,647 comparable items (median $90.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the 836220-B21 module is running at 2400 MHz after installation?

Enter the system BIOS or UEFI and check the memory speed reading; it should report 2400 MHz for the installed DIMM.

What comes with the 836220-B21 and what must I source separately?

The package contains the 16 GB registered DDR4 DIMM only; any additional modules or a compatible motherboard must be purchased separately.

Which capacity of the 836220-B21 should I choose for a 16 GB upgrade?

Select the 16 GB version; this part number is offered in that single capacity.

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