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Green 240-pin DDR2 memory module with black chips, silver edge contacts, and a metal registration clip

DELL

DELL 4D554 256MB DDR2 400 PC2 3200 ECC Registered 240-Pin memory upgrade

SKU CH-P78Z-3A37A MPN 4D554

256 MB DDR2 400 ECC registered memory for compatible Dell PowerEdge servers

  • Capacity256MB
  • Type240-Pin DDR2 SDRAM
  • SpeedDDR2 400 (PC2 3200)
  • CAS LatencyCL3
  • ECCYes
  • Buffered/RegisteredRegistered
  • ECC protection prevents data corruption on critical servers
  • Registered signal buffering stabilises heavy multi-module loads
  • 256 MB capacity adds memory to supported PowerEdge systems
  • DDR2 400 PC2 3200 speed matches original specifications
  • 240 pin form factor fits designated Dell slots

256 MB DDR2 ECC Registered for PowerEdge

This 256 MB DDR2 400 module uses a 240 pin registered design with ECC and CL3 latency. It is built for the Dell PowerEdge 1800, 1850, 2800, 2850, 6800 and 6850 servers. The registered buffer helps maintain signal integrity on multi module configurations. It fits only systems that accept PC2 3200 registered ECC memory.

Capacity and headroom for legacy servers

At 256 MB per stick this module suits maintenance or light duty roles on the listed PowerEdge platforms. It will not meet the needs of virtualisation hosts, database tiers or any workload that requires several gigabytes per socket. Builders planning larger memory footprints must use higher density registered DDR2 modules instead.

Registered 240 pin build and daily implications

The registered 240 pin form factor ensures stable electrical loading on the server memory bus. ECC provides single bit error correction for data integrity in continuous operation. The CL3 timing matches the DDR2 400 specification for these platforms. Modules install in the standard DIMM slots of the compatible PowerEdge chassis.

Punti di forza

  • ECC protection prevents data corruption on critical servers
  • Registered signal buffering stabilises heavy multi-module loads
  • 256 MB capacity adds memory to supported PowerEdge systems
  • DDR2 400 PC2 3200 speed matches original specifications
  • 240 pin form factor fits designated Dell slots

Caratteristiche tecniche

BrandDell
Model4D554
Capacity256MB
Type240-Pin DDR2 SDRAM
SpeedDDR2 400 (PC2 3200)
CAS LatencyCL3
ECCYes
Buffered/RegisteredRegistered
Compatible SystemDELL POWEREDGE 1800
DELL POWEREDGE 1850
DELL POWEREDGE 2800
DELL POWEREDGE 2850
DELL POWEREDGE 6800
DELL POWEREDGE 6850

Domande su questo articolo

Will this DDR2 400 ECC Registered module run in my PowerEdge 2850 alongside the original Dell PC2 3200 sticks?

Yes. The module matches Dell spec DDR2 400 PC2 3200 CL3 ECC Registered for the PowerEdge 2850, so it will operate with factory memory at the system's supported speed.

How can I confirm the 256 MB stick is detected and ECC is active after installation?

Enter the BIOS on the PowerEdge 1800, 1850, 2800, 2850, 6800 or 6850; the memory summary should show the additional 256 MB and report ECC enabled for the new DIMM.

Does the 4D554 come as a single 240-pin DIMM or do I need to buy a bracket or cable separately?

The product is a single 240-pin DDR2 SDRAM DIMM; no bracket, cable or additional hardware is included or required for the listed PowerEdge servers.

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