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Green printed circuit board with black memory chips and gold edge connector

Axiom

Axiom P07646-B21-AX 32GB DDR4 3200 ECC Registered CL22 1.20V 288-Pin memory upgrade

SKU CH-YG31-4APHT MPN P07646-B21-AX

32 GB DDR4 3200 ECC registered CL22 1.20 V 288-pin module for HP systems

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Product type288-Pin DDR4 SDRAM
  • 32 GB capacity handles heavy workloads with DDR4 3200 speed
  • ECC registered design protects data integrity for HP systems
  • CL22 latency delivers responsive DDR4 performance at 3200 MT/s
  • 20 V operation reduces power draw in DDR4 servers
  • 288-pin DDR4 form factor fits HP registered memory slots

Axiom 32GB DDR4 3200 ECC Registered for HP

This 32GB module is DDR4 3200 (PC4 25600) memory with ECC and registered buffering. It targets HP systems that require registered DIMMs for error correction and signal integrity. The stick runs at 1.20V with a CAS latency of CL22. It is a new component sold for compatible HP platforms.

Registered DDR4 3200 limits

Registered DDR4 3200 modules only operate at their rated speed when the platform memory controller and BIOS support that frequency with registered DIMMs. ECC correction adds latency overhead compared to unbuffered non-ECC memory. Mixing registered and unbuffered DIMMs is not supported. The motherboard must explicitly list registered ECC DDR4 3200 compatibility.

Verify HP model and memory configuration before

Confirm your specific HP system accepts 288-pin registered ECC DDR4 3200 DIMMs at 1.20V. Check the maximum supported capacity per slot and the total number of populated slots allowed. Ensure the BIOS revision supports this module density and speed. Registered memory cannot be used in platforms that require unbuffered DIMMs.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $794.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $24.84 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameAxiom
Model nameP07646-B21-AX
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP

Questions about this item

Should I pick the 32GB module or combine smaller capacities?

This single 32GB DDR4 3200 module fills one slot; add identical modules to reach your server's maximum capacity.

What does the DDR4 3200 (PC4 25600) rating deliver in an HP server?

It runs at 3200 MT/s with CL22 latency at 1.20V, providing ECC registered error correction for data integrity.

How does the 288-pin DDR4 interface limit speed in practice?

The 288-pin DDR4 socket caps transfer at 3200 MT/s; the module will not exceed this rate even if the platform supports higher speeds.

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