Brand: Crucial · SKU: CT12872Z40B · MPN: CT12872Z40B · Category: Components

The Crucial CT12872Z40B is a premium 1GB DDR SDRAM memory module designed specifically for servers and high-end workstations that require error correction and high stability. Operating at a clock speed of 400MHz (PC-3200), this module features Error Correction Code (ECC) technology to identify and fix single-bit memory errors, preventing system crashes and data loss. It is an unbuffered (UDIMM) module with a 184-pin form factor, dual-rank configuration (2Rx8), and a CAS latency of CL3. Built using high-quality Micron chips, it operates at a standard 2.5V to ensure broad compatibility with legacy server hardware.
| Pins | 184-pin |
|---|---|
| Rank | Dual Rank (2Rx8) |
| Speed | 400 MHz (PC-3200) |
| Voltage | 2.5V |
| Capacity | 1GB |
| Bus Width | 72-bit |
| CAS Latency | CL3 |
| Memory Type | DDR SDRAM (DDR1) |
| Error Correction | ECC |
| Signal Processing | Unbuffered (UDIMM) |
| Warranty | Limited Lifetime Warranty |
| Weight | 0.05 lbs |
| Dimensions | 5.25 x 1.18 x 0.15 inches |
Upgrade and stabilize your legacy server or workstation with Crucial's reliable 1GB DDR ECC Unbuffered memory. This module provides the critical error-correction capabilities needed for mission-critical applications.
Yes, this Crucial CT12872Z40B 1GB DDR-400 PC-3200 ECC Unbuffered 184-Pin Server Memory (CT12872Z40B) is 100% genuine Crucial hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Crucial CT12872Z40B 1GB DDR-400 PC-3200 ECC Unbuffered 184-Pin Server Memory includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the CT12872Z40B.