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Green PCB memory module with gold edge connectors and black chips

Gigaram

Gigaram 1GB DDR400 2Rx8 ECC UDIMM (p/n AEI)

SKU CH-HAW8-ER1KK

1GB DDR400 dual-rank ECC unbuffered DIMM with 184 pins, CL3 latency, 2.5V operation, and 18 chips in 64x8 configuration

  • Total capacity64 GB (4 × 16 GB)
  • 1GB DDR400 module with ECC for data integrity
  • Dual-rank 2Rx8 organisation with 18 chips at 64×8
  • 184-pin UDIMM runs at 2.5 V and CL3 latency
  • PC3200 speed rating supports 400 MT/s bandwidth

Gigaram 1GB DDR400 ECC UDIMM

This Gigaram module provides 1GB of DDR400 server memory in an unbuffered ECC UDIMM format. It operates at PC3200 speed with CL3 latency and uses eighteen 64x8 chips arranged in a dual-rank 2Rx8 configuration. The 184-pin DIMM runs at 2.5V and fits standard height slots. It is suited for maintaining or repairing legacy systems that require this specific older memory type.

Not for modern DDR platforms

This module will not work in motherboards designed for later DDR generations or different form factors. Builders needing higher densities, registered DIMMs, or faster speeds must select memory matching those newer specifications. Systems requiring registered or load-reduced modules should also choose a different part.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 93% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $0.36 per GB
Cheaper than about 99% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Total capacity64 GB (4 × 16 GB)

Questions about this item

Should I choose a single 1GB stick or the 4-module 64GB kit?

This listing is for one 1GB DDR400 2Rx8 ECC UDIMM; the 64GB figure refers to a separate 4 x 16GB kit, so select the quantity that matches your required total capacity.

What real-world bandwidth does the PC3200 400 MHz rating deliver?

The PC3200 label indicates a peak transfer rate of 3200 MB/s at 400 MHz with CL3 latency, giving that throughput when the module runs at its rated speed in a compatible system.

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