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Green 240-pin DDR2 stick, black chips, no heat spreader

Kingston Technology Corp.

Kingston Technology Corp. KVR400D2D8R3/1G 1GB DDR2 400 (PC2 3200) ECC Registered server RAM

SKU CH-4YHJ-05E29 MPN KVR400D2D8R3/1G

1 GB DDR2 400 server module with ECC and registered buffering for error-correcting stability

  • Capacity1GB
  • Type240-Pin DDR2 SDRAM
  • SpeedDDR2 400 (PC2 3200)
  • CAS LatencyCL3
  • Voltage1.80V
  • ECCYes
  • ECC Registered design protects server data integrity
  • DDR2 400 (PC2 3200) speed matches legacy system specs
  • CAS Latency CL3 optimises timing for stable throughput
  • 80 V operation reduces power draw per module
  • 240-pin DDR2 form factor fits registered DIMM slots

1GB DDR2 400 ECC Registered Server Memory

This module provides 1GB of DDR2 400 (PC2 3200) capacity with ECC and registered buffering. It is intended for servers and workstations that require registered memory for stability. The CL3 latency and 1.80V operation match the JEDEC standard for this speed grade. It is not suitable for desktop boards that accept only unbuffered non-ECC modules.

DDR2 400 (PC2 3200) registered interface limits

The DDR2 400 standard tops out at 400 MT/s with a 240-pin form factor and 1.80V signalling. Registered modules add a clock cycle of buffering, so the memory controller must support registered operation. ECC functionality also requires a chipset that can generate and check the extra parity bits. Boards limited to unbuffered memory cannot use this module.

Compatibility checks before ordering

Verify that your server motherboard lists DDR2 400 registered ECC support in its qualified vendor list. Confirm the board uses 240-pin DDR2 slots and that the BIOS enables registered memory operation. Check how many ranks per channel the platform allows so the total population stays within the controller limit. Ensure the system does not require heat-spreader-equipped modules for thermal management.

Highlights

  • ECC Registered design protects server data integrity
  • DDR2 400 (PC2 3200) speed matches legacy system specs
  • CAS Latency CL3 optimises timing for stable throughput
  • 80 V operation reduces power draw per module
  • 240-pin DDR2 form factor fits registered DIMM slots

Specifications

BrandKingston
ModelKVR400D2D8R3/1G
Capacity1GB
Type240-Pin DDR2 SDRAM
SpeedDDR2 400 (PC2 3200)
CAS LatencyCL3
Voltage1.80V
ECCYes
Buffered/RegisteredRegistered
Heat SpreaderNo
Shipping weight0.04 kg
Package size170 × 56 × 13 mm

Questions about this item

Should I pick this 1GB module or look for a different capacity?

This module is a single 1GB stick. If your server has free 240-pin slots and the board accepts registered DDR2, add one or more of these to reach the total memory you need.

What does the DDR2 400 (PC2 3200) rating mean once the module is installed?

The memory will run at 400 MT/s, delivering up to 3200 MB/s of theoretical bandwidth at CL3 latency and 1.80 V.

Is the 240-pin DDR2 interface the limiting factor for speed in my server?

Yes. The 240-pin DDR2 slot caps the module at 400 MT/s (PC2 3200), so the system cannot run this memory faster than that rate.

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