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Green rectangular DDR4 DIMM with gold edge connectors and black chips

DELL

DELL AA951241 16GB DDR4 2666MHz 288-pin DIMM memory card

SKU CH-DM47-QPH70

16 GB DDR4 server memory module running at 2666 MHz with 288 pins for compatible Dell PowerEdge systems

  • 16 GB DDR4-2666 memory for server workloads
  • Registered signal processing improves data integrity
  • 288-pin DIMM fits compatible Dell PowerEdge servers
  • DDR4-2666/PC4-21333 standard ensures rated speed
  • Compatible with PowerEdge R6415 R7425 C4130 R740XD T640

Dell 16 GB DDR4 server module

This 16 GB DDR4 registered DIMM is built for Dell PowerEdge servers that require ECC memory. It targets administrators upgrading compatible rack or tower platforms where registered signal processing is mandatory.

Registered DDR4-2666 under sustained load

The module operates at 2666 MHz with a PC4-21333 data rate and registered signal processing to maintain stability during continuous server workloads. Registered buffering reduces electrical load on the memory controller when all slots are populated.

Verify Dell PowerEdge model before ordering

Compatibility is limited to the specific PowerEdge models listed in the manufacturer data including R6415, R7425, C4130, R740XD, T640 and others. Systems that require unbuffered DIMMs or a different pin count cannot use this module.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $194.99
Pricier than about 85% of the 1,947 comparable items (median $46.99).

Specifications

Product
Brand nameDell

Questions about this item

How much power does the registered DDR4-2666 module draw when the server runs continuously?

The 16 GB DDR4-2666 registered DIMM operates at the standard 1.2 V for DDR4; registered modules add a small buffer current, so typical draw stays in the low single-digit watt range per stick under sustained load.

What must the system provide for this 288-pin registered DIMM to function?

A DDR4 DIMM slot wired for registered memory, a memory controller that supports DDR4-2666/PC4-21333 signalling, and a platform qualified for registered modules such as the listed PowerEdge servers.

Will this module work in a PowerEdge R730 that already has older DDR4 DIMMs installed?

Yes, the R730 appears in the qualified list; the module runs at DDR4-2666 and will down-clock to match any slower DIMMs already present, provided all slots use registered DDR4.

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