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Green memory module with gold contacts and black chips

Axiom

Axiom 862974-B21-AX 8GB ECC UDIMM DDR4-2400 monitor accessory

SKU CH-WDFW-CANBS

An 8GB DDR4-2400 ECC UDIMM module designed for HP systems using part 862974-B21

  • 8 GB ECC UDIMM adds reliable capacity
  • DDR4-2400 speed supports responsive multitasking
  • Built for HP systems using part 862974-B21
  • New module ready for immediate installation
  • Listed by manufacturer in January 2026

HP-Compatible DDR4 Memory

The Axiom 862974-B21-AX is an 8GB ECC UDIMM built to DDR4-2400 specifications for HP systems. It targets administrators upgrading or repairing supported workstations and servers that require error-correcting memory.

ECC UDIMM Form Factor

The unbuffered DIMM layout with ECC support fits standard DDR4 slots in compatible HP platforms. Installation follows normal memory procedures and the module operates at the rated 2400 MT/s speed when the platform allows.

Replaces 8GB DDR4 ECC Modules

This part directly substitutes an existing 8GB DDR4-2400 ECC UDIMM in qualified HP hardware. The upgrade is worthwhile when a slot is empty, a module has failed, or the system needs the full 8GB capacity per slot.

How it compares

Measured against everything we stock in Monitor Mounts & Display Accessories, at today’s prices. Recalculated every night.

Price $133.99
Pricier than about 90% of the 10,638 comparable items (median $42.99).

Specifications

Product
Brand nameAXIOM

Questions about this item

What DDR4 speed does the 862974-B21-AX module run at?

The module operates at DDR4-2400, delivering a 2400 MT/s data rate for compatible HP systems.

Which physical slot and form factor does this 8GB ECC UDIMM require?

It fits a standard 288-pin DDR4 UDIMM slot on the motherboard.

How do I install the 862974-B21-AX and what step is often missed?

Align the notch with the slot key, press firmly until both retention clips click, then verify the module is seated evenly.

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